Waterproof structure at joint of newly-built basement and existing basement

Abstract

The utility model discloses a waterproof structure at the joint of a newly-built basement and an existing basement. The waterproof structure comprises a first waterproof structure, a deformation joint and a second waterproof structure. The connecting channel is connected with an existing basement, and the first waterproof structure is arranged on the downstream face of the connecting position of the connecting channel and the existing basement. The deformation joint is arranged between the connecting channel and the newly-built basement connecting channel; and the second waterproof structure is arranged at the deformation joint and nearby the deformation joint. The deformation joint and the second waterproof structure are arranged, so that the structure is effectively prevented from being cracked due to shrinkage and settlement, and water leakage at the crack and a connecting joint is avoided; the first waterproof structure is further arranged on the downstream face, so that water can be effectively prevented from entering a joint between the connecting channel and an existing basement, and the structure is prevented from being damaged. The structure can be prevented and controlled from cracking, the quality can be guaranteed easily, and meanwhile the seepage-proofing and water-leakage-preventing effects are good.

Description

Technical Field

[0001] The utility model belongs to the technical field of building construction, and particularly relates to a waterproof structure at the connection between a newly-built basement and an existing basement. Background Art

[0002] Since the newly-built basement and the existing basement are not constructed in the same period, a connecting passage needs to be constructed to connect the two. At present, for the joint between the connecting passage and the existing basement, a water-stop steel plate is not embedded in advance (that is, relevant waterproof measures are not taken in advance), and in the later stage, when the top plate of the basement is backfilled for planting greenery and the elevation of the bottom plate is relatively low, water leakage will occur at the joint part. At present, for some projects where the newly-built basement needs to be connected to the existing basement, the waterproof effect of the existing construction plan is generally average, and the water leakage caused by shrinkage cracks and settlement cracks of the new and old concrete is not considered (that is, the existing construction plan has no corresponding measures to solve such problems), and the situation where water on the back surface enters the joint between the connecting passage and the existing basement and damages the structure is not considered (where the back surface includes the lower side of the top plate, the upper side of the bottom plate, and the inner side of the side wall). Therefore, it can be clearly known that when the newly-built basement and the existing basement are connected through a connecting passage at present, there are the following three technical problems:

[0003] (1) The concrete of the connecting passage will shrink, and cracks will occur at the joint between the connecting passage and the existing basement.

[0004] (2) Since they are not constructed in the same period, settlement cracks will occur in the concrete of the connecting passage.

[0005] (3) The back surface is not waterproofed and sealed.

[0006] Therefore, it can be seen that there is currently a lack of a waterproof structure at the connection between a newly-built basement and an existing basement to improve the waterproof ability at the connection between the newly-built basement and the existing basement, and at the same time, to avoid cracks at the joint between the connecting passage and the existing basement to the greatest extent.

[0007] Therefore, a new technology is needed to solve the problem that there is a lack of a waterproof structure at the connection between a newly-built basement and an existing basement in the prior art. Content of the Utility Model

[0008] To solve the above problems in the prior art, the utility model provides a waterproof structure at the connection between a newly-built basement and an existing basement, which can, on the one hand, improve the waterproof ability at the connection between the newly-built basement and the existing basement, and on the other hand, avoid cracks at the joint between the connecting passage and the existing basement to the greatest extent.

[0009] The utility model adopts the following technical solutions:

[0010] A waterproof structure at the connection between a newly built basement and an existing basement, comprising a first waterproof structure, a deformation joint and a second waterproof structure; a connecting passage is connected to the existing basement, and the first waterproof structure is provided on the water-facing side at the connection; a deformation joint is provided between the connecting passage and the connecting passage of the newly built basement; the second waterproof structure is provided at the deformation joint and its vicinity.

[0011] Further, the first waterproof structure includes a waterproof component on the water-facing side of the floor slab, a waterproof component on the water-facing side of the side wall and a waterproof component on the water-facing side of the roof slab;

[0012] The waterproof component on the water-facing side of the floor slab is provided on the water-facing side at the connection between the floor slab of the connecting passage and the existing basement;

[0013] The waterproof component on the water-facing side of the side wall is provided on the water-facing side at the connection between the side wall of the connecting passage and the existing basement;

[0014] The waterproof component on the water-facing side of the roof slab is provided on the water-facing side at the connection between the roof slab of the connecting passage and the existing basement;

[0015] After the waterproof component on the water-facing side of the floor slab, the waterproof component on the water-facing side of the side wall and the waterproof component on the water-facing side of the roof slab are set up, they form a circumferential waterproof component as a whole.

[0016] Further, any one of the waterproof components of the waterproof component on the water-facing side of the floor slab, the waterproof component on the water-facing side of the side wall and the waterproof component on the water-facing side of the roof slab includes an L-shaped externally bonded waterstop, a first anchoring component and a second anchoring component;

[0017] One plate surface of the L-shaped externally bonded waterstop is fixed to the connecting passage through the first anchoring component;

[0018] The other plate surface of the L-shaped externally bonded waterstop is fixed to the external wall of the existing basement through the second anchoring component.

[0019] Further, several groups of the first anchoring components are provided; the adjacent two groups of the first anchoring components maintain a set spacing.

[0020] Further, the first anchoring component includes a first anchor rod, a steel plate, a first steel pressing piece and a first anchor rod nut; the first anchor rod is connected to the steel plate, and the first anchor rod and the steel plate are embedded in the connecting passage; one plate surface of the L-shaped externally bonded waterstop is fixed to the first anchor rod and the steel plate through the first steel pressing piece and the first anchor rod nut.

[0021] Further, the deformation joint is set at a position 500 mm away from the joint between the connecting passage and the existing basement; the width of the deformation joint is 10 mm to 20 mm.

[0022] Further, the second waterproof structure includes a floor waterproof structure, a side wall waterproof structure, and a roof waterproof structure;

[0023] The deformation joint includes a floor deformation joint, a side wall deformation joint, and a roof deformation joint;

[0024] The floor deformation joint is provided between the floor of the newly built basement connection passage and the floor of the connection passage;

[0025] The side wall deformation joint is provided between the side wall of the newly built basement connection passage and the side wall of the connection passage;

[0026] The roof deformation joint is provided between the roof of the newly built basement connection passage and the roof of the connection passage;

[0027] The locations where the floor waterproof structure is provided include the floor deformation joint, below the floor of the newly built basement connection passage, and below the floor of the connection passage;

[0028] The locations where the side wall waterproof structure is provided include the side wall deformation joint, outside the side wall of the newly built basement connection passage, and outside the side wall of the connection passage;

[0029] The locations where the roof waterproof structure is provided include the roof deformation joint, above the roof of the newly built basement connection passage, and above the roof of the connection passage.

[0030] Further, the floor waterproof structure includes a bottom fine aggregate concrete layer, a bottom waterproof coiled material layer, a bottom additional waterproof coiled material layer, a bottom foam plastic rod, a bottom fine aggregate concrete protective layer, an external pasted waterstop belt for the floor, a bottom polystyrene board, an embedded waterstop belt for the floor, and a floor sealant layer;

[0031] The bottom fine aggregate concrete layer is provided below the floor of the newly built basement connection passage and the floor of the connection passage;

[0032] The bottom waterproof coiled material layer is provided on the bottom fine aggregate concrete layer;

[0033] The bottom additional waterproof coiled material layer is provided on the bottom waterproof coiled material layer;

[0034] The bottom foam plastic rod is provided on the bottom additional waterproof coiled material layer;

[0035] The bottom fine aggregate concrete protective layer is provided on the bottom waterproof coiled material layer and the bottom additional waterproof coiled material layer, and the upper surface of the bottom fine aggregate concrete protective layer is connected to the lower surface of the floor of the newly built basement connection passage and the lower surface of the floor of the connection passage;

[0036] The external pasted waterstop belt for the floor is provided on the bottom fine aggregate concrete protective layer, and one side is connected to the floor of the newly built basement connection passage, the other side is connected to the floor of the connection passage, and the lower part of the floor deformation joint is sealed;

[0037] The bottom polystyrene board is filled in the deformation joint of the bottom slab, and a mid-buried waterstop of the bottom slab is arranged in the deformation joint of the bottom slab. One side of the mid-buried waterstop of the bottom slab is connected to the bottom slab of the connecting passage of the newly built basement, and the other side is connected to the bottom slab of the connecting passage.

[0038] The bottom sealant layer is arranged on the bottom polystyrene board and seals the upper part of the deformation joint of the bottom slab.

[0039] Furthermore, the side wall waterproof structure includes a bricklaying protective layer, a side waterproof coiled material layer, a side additional waterproof coiled material layer, a side foam plastic rod, a mortar layer, an external pasted waterstop of the side wall, a side wall polystyrene board, a mid-buried waterstop of the side wall, and a side wall sealant layer.

[0040] The bricklaying protective layer is arranged on the outer sides of the side walls of the connecting passage of the newly built basement and the side walls of the connecting passage.

[0041] The side waterproof coiled material layer is arranged on the inner side of the bricklaying protective layer.

[0042] The side additional waterproof coiled material layer is arranged on the inner side of the side waterproof coiled material layer.

[0043] The side foam plastic rod is arranged on the inner side of the side additional waterproof coiled material layer.

[0044] The mortar layer is arranged on the inner sides of the side waterproof coiled material layer and the side additional waterproof coiled material layer, and the inner side surface of the mortar layer is connected to the outer side surfaces of the side walls of the connecting passage of the newly built basement and the side walls of the connecting passage.

[0045] The external pasted waterstop of the side wall is arranged on the inner side of the mortar layer. One side is connected to the side wall of the connecting passage of the newly built basement, and the other side is connected to the side wall of the connecting passage, and seals the outer side of the deformation joint of the side wall.

[0046] The side wall polystyrene board is filled in the deformation joint of the side wall, and a mid-buried waterstop of the side wall is arranged in the deformation joint of the side wall. One side of the mid-buried waterstop of the side wall is connected to the side wall of the connecting passage of the newly built basement, and the other side is connected to the side wall of the connecting passage.

[0047] The side wall sealant layer is arranged on the inner side of the side wall polystyrene board and seals the inner side of the deformation joint of the side wall.

[0048] Furthermore, the top plate waterproof structure includes a top fine aggregate concrete protective layer, a top waterproof coiled material layer, a top additional waterproof coiled material layer, a top foam plastic rod, a top fine aggregate concrete layer, an external pasted waterstop of the top plate, a top polystyrene board, a mid-buried waterstop of the top plate, and a top plate sealant layer.

[0049] The top polystyrene board is filled in the deformation joint of the top plate, and the embedded waterstop of the top plate is arranged in the deformation joint of the top plate. One side of the embedded waterstop of the top plate is connected to the top plate of the new basement connecting passage, and the other side is connected to the top plate of the connecting passage;

[0050] The external pasted waterstop of the top plate is arranged above the deformation joint of the top plate, and one side is connected to the top plate of the new basement connecting passage, and the other side is connected to the top plate of the connecting passage;

[0051] The top fine aggregate concrete layer is arranged above the top plate of the new basement connecting passage, above the external pasted waterstop of the top plate, and above the top plate of the connecting passage;

[0052] The top foamed plastic rod, the top additional waterproof coiled material layer, and the top waterproof coiled material layer are arranged above the top fine aggregate concrete layer;

[0053] The top fine aggregate concrete protective layer is arranged on the top waterproof coiled material layer;

[0054] The top plate sealant layer is arranged below the top polystyrene board and seals the lower part of the deformation joint of the top plate.

[0055] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0056] A waterproof structure at the connection between a new basement and an existing basement effectively prevents cracks caused by shrinkage and settlement to the structure by setting a deformation joint and a second waterproof structure, and avoids water leakage at the cracks and connection joints. The present utility model also has a first waterproof structure on the back water surface, which can effectively prevent water from entering the joint between the connecting passage and the existing basement and damaging the structure. The present utility model is beneficial to preventing and controlling the generation of cracks in the structure, is easy to ensure the quality, and has good anti-seepage and anti-water leakage effects. BRIEF DESCRIPTION OF THE DRAWINGS

[0057] The following further describes the technology of the present utility model in detail with reference to the drawings and specific embodiments:

[0058] Figure 1 is a plan layout diagram of the connection between the new basement and the existing basement through the new basement connecting passage and the connecting passage (wherein, a partial schematic diagram of the existing basement is shown);

[0059] Figure 2 Figure 1 The sectional view at F-F ( Figure 2 is a schematic elevation view after side section);

[0060] Figure 2a is Figure 2 a partial enlarged view of;

[0061] Figure 3Schematic diagram of the overall formation of the circumferential waterproof assembly after the installation of the waterproof assemblies on the back surface of the bottom slab, side walls, and top slab( Figure 3 is Figure 1 Cross-sectional view at G-G, showing only the first waterproof structure and without showing the connecting channel bottom slab, the two connecting channel side walls, and the connecting channel top slab);

[0062] Figure 4 Layout relationship diagram (elevation view) (partial schematic diagram) of the connecting channel bottom slab of the new basement, the connecting channel bottom slab, the existing exterior wall of the basement, the bottom slab waterproof structure, and the waterproof assembly on the back surface of the bottom slab;

[0063] Figure 5 is Figure 4 Top view of the connecting channel bottom slab of the new basement, the external pasted waterstop belt of the bottom slab, and the connecting channel bottom slab in

[0064] Figure 6 Plan layout relationship diagram of the left and right side walls of the bottom slab( Figure 6 is Figure 2a Cross-sectional view at K-K) (partial schematic diagram)( Figure 6 Layout relationship diagram of the connecting channel side wall of the new basement, the connecting channel side wall, the existing exterior wall of the basement, the side wall waterproof structure, and the waterproof assembly on the back surface of the side wall);

[0065] Figure 6a is Figure 6 Partial schematic diagram of one side wall;

[0066] Figure 6b is Figure 6a More detailed partial schematic diagram (mainly to show in detail the side waterproof coiled material layer and the side additional waterproof coiled material layer);

[0067] Figure 7 is Figure 6 Elevation view of the connecting channel side wall of the new basement, the external pasted waterstop belt of the side wall, and the connecting channel side wall in

[0068] Figure 8 Layout relationship diagram (elevation view) (partial schematic diagram) of the connecting channel top slab of the new basement, the connecting channel top slab, the existing exterior wall of the basement, the top slab waterproof structure, and the waterproof assembly on the back surface of the top slab;

[0069] Figure 9 is Figure 8 Top view of the connecting channel top slab of the new basement, the external pasted waterstop belt of the top slab, and the connecting channel top slab in

[0070] Reference numerals:

[0071] 1 - First waterproof structure; 11 - Waterproof component on the back surface of the floor slab; 12 - Waterproof component on the back surface of the side wall; 13 - Waterproof component on the back surface of the roof slab; Q - Spacing;

[0072] 14 - Circumferential waterproof component;

[0073] 15 - L-shaped externally bonded waterstop;

[0074] 16 - First anchoring component; 161 - First anchor bolt; 162 - Steel plate; 163 - First steel pressing piece; 164 - First anchor bolt nut;

[0075] 17 - Second anchoring component; 171 - Second anchor bolt; 172 - Second steel pressing piece; 173 - Second anchor bolt nut;

[0076] 2 - Deformation joint; 21 - Deformation joint of the floor slab; 22 - Deformation joint of the side wall; 23 - Deformation joint of the roof slab; W - Joint width; Y - Length direction; Z - Height direction;

[0077] 3 - Second waterproof structure;

[0078] 31 - Waterproof structure of the floor slab; 311 - Fine aggregate concrete layer on the bottom surface; 312 - Waterproof coiled material layer on the bottom surface; 313 - Additional waterproof coiled material layer on the bottom surface; 314 - Foam plastic rod on the bottom surface; 315 - Fine aggregate concrete protective layer on the bottom surface; 316 - Externally bonded waterstop of the floor slab; 317 - Bottom polystyrene board; 318 - Embedded waterstop of the floor slab; 319 - Sealant layer of the floor slab;

[0079] 32 - Waterproof structure of the side wall; 321 - Bricklaying protective layer; 322 - Waterproof coiled material layer on the side surface; 323 - Additional waterproof coiled material layer on the side surface; 324 - Foam plastic rod on the side surface; 325 - Mortar layer; 326 - Externally bonded waterstop of the side wall; 327 - Side wall polystyrene board; 328 - Embedded waterstop of the side wall; 329 - Sealant layer of the side wall;

[0080] 33 - Waterproof structure of the roof slab; 331 - Fine aggregate concrete protective layer on the top surface; 332 - Waterproof coiled material layer on the top surface; 333 - Additional waterproof coiled material layer on the top surface; 334 - Foam plastic rod on the top surface; 335 - Fine aggregate concrete layer on the top surface; 336 - Externally bonded waterstop of the roof slab; 337 - Top polystyrene board; 338 - Embedded waterstop of the roof slab; 339 - Sealant layer of the roof slab;

[0081] 4 - Connection passage; 41 - Connection passage floor slab; 42 - Connection passage side wall; 43 - Connection passage roof slab;

[0082] 5 - Existing basement; 51 - Existing external basement wall; R - Connection point;

[0083] 6 - Newly built basement; 61 - Bottom slab of the connecting passage of the newly built basement; 62 - Side wall of the connecting passage of the newly built basement; 63 - Top slab of the connecting passage of the newly built basement; 64 - Bottom slab of the newly built basement; 65 - Top slab of the newly built basement;

[0084] A - Back water surface; B - Downward direction; C - Upward direction; D - Outer direction; E - Inner direction; F - F - Section symbol; G - G - Section symbol; K - K - Section symbol. Detailed implementation manners

[0085] The concept, specific structure and technical effects of the present utility model will be clearly and completely described below in conjunction with the embodiments and the drawings, so as to fully understand the purpose, solution and effects of the present utility model. It should be noted that, without conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The same reference numerals used in the drawings indicate the same or similar parts everywhere.

[0086] It should be noted that, unless otherwise specified, when a certain feature is referred to as "fixed" or "connected" to another feature, it can be directly fixed or connected to the other feature, or indirectly fixed or connected to the other feature. In addition, the up, down, left, right, etc. descriptions used in the present utility model are only relative to the mutual positional relationship of the components of the present utility model in the drawings.

[0087] Refer to Figures 1 to 9 , a waterproof structure at the connection between a newly built basement and an existing basement, including a first waterproof structure 1, a deformation joint 2 and a second waterproof structure 3; a connecting passage 4 is connected to the existing basement 5, and the first waterproof structure 1 is provided on the back water surface A at the connection R thereof (where the back water surface A includes the lower side of the top slab, the upper side of the bottom slab, and the inner side of the side wall); a deformation joint 2 is provided between the connecting passage 4 and the connecting passage of the newly built basement; the second waterproof structure 3 is provided at and near the deformation joint 2; the newly built basement 6 is communicated with the existing basement 5 through the connecting passage of the newly built basement and the connecting passage 4, and after being communicated, it can be passed through by personnel and vehicles inside.

[0088] Refer to Figures 1 to 9 , in one embodiment, the first waterproof structure 1 includes a bottom slab back water surface waterproof component 11, a side wall back water surface waterproof component 12 and a top slab back water surface waterproof component 13;

[0089] The bottom slab back water surface waterproof component 11 is provided on the back water surface A at the connection R between the connecting passage bottom slab 41 and the existing basement 5;

[0090] The side wall back water surface waterproof component 12 is provided on the back water surface A at the connection R between the connecting passage side wall 42 and the existing basement 5;

[0091] The back water surface A of the connection R between the top plate 43 of the connection channel and the existing basement 5 is provided with the waterproof assembly 13 on the back water surface of the top plate;

[0092] After the waterproof assembly 11 on the back water surface of the bottom plate, the waterproof assembly 12 on the back water surface of the side wall, and the waterproof assembly 13 on the back water surface of the top plate are set up, they form a circumferential waterproof assembly 14 as a whole (refer to Figure 3 ).

[0093] Refer to Figures 1 to 9 , in one embodiment, any one of the waterproof assembly 11 on the back water surface of the bottom plate, the waterproof assembly 12 on the back water surface of the side wall, and the waterproof assembly 13 on the back water surface of the top plate includes an L-shaped externally bonded waterstop 15, a first anchoring assembly 16, and a second anchoring assembly 17;

[0094] One plate surface of the L-shaped externally bonded waterstop 15 is fixed to the connection channel 4 through the first anchoring assembly 16;

[0095] The other plate surface of the L-shaped externally bonded waterstop 15 is fixed to the existing basement exterior wall 51 through the second anchoring assembly 17.

[0096] Refer to Figures 1 to 9 , in one embodiment, the first anchoring assembly 16 is provided with several groups; the adjacent two groups of the first anchoring assembly 16 maintain a set spacing Q. Similarly, refer to Figure 3 , the second anchoring assembly 17 is also provided with several groups, and the adjacent two groups of the second anchoring assembly 17 also maintain the set spacing Q. In one embodiment, the set spacing Q is 200 mm.

[0097] Refer to Figures 1 to 9 , in one embodiment, the first anchoring assembly 16 includes a first anchor rod 161, a steel plate 162, a first steel pressing member 163, and a first anchor rod nut 164; the first anchor rod 161 is connected to the steel plate 162, and the first anchor rod 161 and the steel plate 162 are embedded in the connection channel 4; one plate surface of the L-shaped externally bonded waterstop 15 is fixed to the first anchor rod 161 and the steel plate 162 through the first steel pressing member 163 and the first anchor rod nut 164.

[0098] Refer to Figure 4 , Figure 6 and Figure 8 , in one embodiment, the first anchor rod 161 is an M8 anchor rod with a hook portion at the front end, wherein the steel plate 162 is welded to the first anchor rod 161 as a whole.

[0099] Refer to Figures 1 to 9, in one embodiment, the second anchoring assembly 17 includes a second anchor rod 171, a second steel pressing member 172, and a second anchor rod nut 173; the other plate surface of the L-shaped external waterstop 15 is fixed to the existing basement outer wall 51 through the second anchor rod 171, the second steel pressing member 172, and the second anchor rod nut 173.

[0100] Refer to Figure 4 , Figure 6 and Figure 8 , in one embodiment, the second anchor rod 171 is an M8 straight anchor rod.

[0101] Refer to Figure 4 , Figure 6 and Figure 2 , in one embodiment, the steel plate 162 is a square block steel plate, and its length × width × thickness dimensions are: 100 mm × 100 mm × 8 mm.

[0102] Refer to Figure 4 , in one embodiment, the first steel pressing member 163 and the second steel pressing member 172 are circular block steel plates, and their diameter × thickness dimensions are: 50 mm × 4 mm; or the first steel pressing member 163 and the second steel pressing member 172 are square block steel plates, and their length × width × thickness dimensions are: 50 mm × 50 mm × 4 mm.

[0103] Refer to Figures 1 to 9 , in one embodiment, the expansion joint 2 is provided at a position 500 mm away from the joint between the connecting passage and the existing basement (i.e., at a position 500 mm away from the connection point R); the width W of the expansion joint 2 is 10 mm to 20 mm.

[0104] Refer to Figures 1 to 9 , in one embodiment, the second waterproof structure 3 includes a floor waterproof structure 31, a side wall waterproof structure 32, and a roof waterproof structure 33;

[0105] The expansion joint 2 includes a floor expansion joint 21, a side wall expansion joint 22, and a roof expansion joint 23;

[0106] The new basement floor 64 is connected to the new basement connecting passage floor 61; a floor expansion joint 21 is provided between the new basement connecting passage floor 61 and the connecting passage floor 41;

[0107] The new basement side wall is connected to the new basement connecting passage side wall 62; a side wall expansion joint 22 is provided between the new basement connecting passage side wall 62 and the connecting passage side wall 42;

[0108] The new basement roof 65 is connected to the new basement connecting passage roof 63; a roof expansion joint 23 is provided between the new basement connecting passage roof 63 and the connecting passage roof 43;

[0109] The places where the bottom plate waterproof structure 31 is provided include the bottom plate deformation joint 21, below the bottom plate of the connecting passage of the newly built basement 61 (refer to Figure 4 "below" as understood in B of Figure 4 ); below the bottom plate of the connecting passage 41 (refer to

[0110] The places where the side wall waterproof structure 32 is provided include the side wall deformation joint 22, the outside of the side wall of the connecting passage of the newly built basement 62 (refer to Figure 6 "outside" as understood in D of Figure 6 ); the outside of the side wall of the connecting passage 42 (refer to

[0111] The places where the top plate waterproof structure 33 is provided include the top plate deformation joint 23, above the top plate of the connecting passage of the newly built basement 63 (refer to Figure 8 "above" as understood in C of Figure 8 ); above the top plate of the connecting passage 43 (refer to

[0112] In one embodiment, the width W of the bottom plate deformation joint 21 is 10 mm to 20 mm (refer to Figure 6 , Figure 6a and Figure 4 );

[0113] The width W of the side wall deformation joint 22 is 10 mm to 20 mm (refer to Figure 6 , Figure 2 and Figure 2a );

[0114] The width W of the top plate deformation joint 23 is 10 mm to 20 mm (refer to Figure 8 , Figure 2 and Figure 2a );

[0115] Among them, the width W of the bottom plate deformation joint 21, the width W of the side wall deformation joint 22, and the width W of the top plate deformation joint 23 have equal values.

[0116] Refer to Figures 1 to 9 , in one embodiment, the bottom plate waterproof structure 31 includes a bottom surface fine aggregate concrete layer 311, a bottom surface waterproof coiled material layer 312, a bottom surface additional waterproof coiled material layer 313, a bottom surface foam plastic rod 314, a bottom surface fine aggregate concrete protective layer 315, an external pasted waterstop belt 316 at the bottom plate, a bottom polystyrene board 317, a middle embedded waterstop belt 318 at the bottom plate, and a bottom plate sealant layer 319;

[0117] The bottom fine aggregate concrete layer 311 is provided below the bottom plate 61 of the newly-built basement connecting passage and the bottom plate 41 of the connecting passage (refer to the understanding of "below" in Figure 4 as B);

[0118] The bottom waterproof coiled material layer 312 is provided on the bottom fine aggregate concrete layer 311, and specifically relates to the waterproofing of the laying surface on the water-facing side of the joint R between the bottom plate 41 of the connecting passage and the existing exterior basement wall 51;

[0119] The bottom additional waterproof coiled material layer 313 is provided on the bottom waterproof coiled material layer 312, and specifically relates to the waterproofing of the laying surface on the water-facing side of the joint R between the bottom plate 41 of the connecting passage and the existing exterior basement wall 51;

[0120] The bottom foamed plastic rod 314 is provided on the bottom additional waterproof coiled material layer 313;

[0121] The bottom fine aggregate concrete protective layer 315 is provided on the bottom waterproof coiled material layer 312 and the bottom additional waterproof coiled material layer 313, and the upper surface of the bottom fine aggregate concrete protective layer 315 is connected to the lower surface of the bottom plate 61 of the newly-built basement connecting passage and the lower surface of the bottom plate 41 of the connecting passage, and the bottom fine aggregate concrete layer 315 maintains a set joint width directly below the bottom plate deformation joint 21;

[0122] The external pasted waterstop 316 of the bottom plate is provided on the bottom fine aggregate concrete protective layer 315, with one side connected to the bottom plate 61 of the newly-built basement connecting passage and the other side connected to the bottom plate 41 of the connecting passage, and sealing the lower part of the bottom plate deformation joint 21 (refer to the understanding of "below" in Figure 4 as B);

[0123] The bottom polystyrene board 317 is filled in the bottom plate deformation joint 21, and the embedded waterstop 318 of the bottom plate is provided in the bottom plate deformation joint 21, with one side of the embedded waterstop 318 of the bottom plate connected to the bottom plate 61 of the newly-built basement connecting passage and the other side connected to the bottom plate 41 of the connecting passage;

[0124] The bottom plate sealant layer 319 is provided on the bottom polystyrene board 317 and seals the upper part of the bottom plate deformation joint 21 (refer to the understanding of "above" in Figure 4 as C).

[0125] Refer to Figure 4 and Figure 5 , in one embodiment, when the bottom foamed plastic rod 314 and the external pasted waterstop 316 of the bottom plate are provided, they are arranged along the length direction Y of the bottom plate deformation joint 21.

[0126] Refer to Figures 1 to 9, in one embodiment, the sidewall waterproof structure 32 includes a bricklaying protective layer 321, a side waterproof coiled material layer 322, a side additional waterproof coiled material layer 323, a side foam plastic rod 324, a mortar layer 325, an external pasted waterstop belt 326 for the sidewall, a sidewall polystyrene board 327, an embedded waterstop belt 328 for the sidewall, and a sidewall sealant layer 329;

[0127] The bricklaying protective layer 321 is arranged on the outer sides of the sidewall 62 of the newly built basement connecting passage and the sidewall 42 of the connecting passage (refer to Figure 6 D in the figure to understand "outer side");

[0128] The side waterproof coiled material layer 322 is arranged on the inner side of the bricklaying protective layer 321 (refer to Figure 6 E in the figure to understand "inner side"), and specifically relates to the waterproofing of the laying surface on the water-facing side at the joint R between the sidewall 42 of the connecting passage and the existing basement outer wall 51;

[0129] The side additional waterproof coiled material layer 323 is arranged on the inner side of the side waterproof coiled material layer 322 (refer to Figure 6 E in the figure to understand "inner side"), and specifically relates to the waterproofing of the laying surface on the water-facing side at the joint R between the sidewall 42 of the connecting passage and the existing basement outer wall 51;

[0130] The side foam plastic rod 324 is arranged on the inner side of the side additional waterproof coiled material layer 323 (refer to Figure 6 E in the figure to understand "inner side");

[0131] The mortar layer 325 is arranged on the inner sides of the side waterproof coiled material layer 322 and the side additional waterproof coiled material layer 323, and the inner side surface of the mortar layer 325 is connected to the outer side surfaces of the sidewall 62 of the newly built basement connecting passage and the sidewall 42 of the connecting passage, and the mortar layer 325 maintains a set joint width directly outside the sidewall deformation joint 22;

[0132] The external pasted waterstop belt 326 for the sidewall is arranged on the inner side of the mortar layer 325, and one side is connected to the sidewall 62 of the newly built basement connecting passage, and one side is connected to the sidewall 42 of the connecting passage, and seals the outer side of the sidewall deformation joint 22 (refer to Figure 6 D in the figure to understand "outer side");

[0133] The sidewall polystyrene board 327 is filled in the sidewall deformation joint 22, and the embedded waterstop belt 328 for the sidewall is arranged in the sidewall deformation joint 22, and one side of the embedded waterstop belt 328 for the sidewall is connected to the sidewall 62 of the newly built basement connecting passage, and one side is connected to the sidewall 42 of the connecting passage;

[0134] The sidewall sealant layer 329 is arranged on the inner side of the sidewall polystyrene board 327 and seals the inner side of the sidewall deformation joint 22 (refer to Figure 6The "inner side" is understood as "inside".

[0135] Refer to Figure 6 , Figure 6a , Figure 6b and Figure 7 , in one embodiment, when the side wall external pasted waterstop 326 and the side foam plastic rod 324 are arranged, they are arranged along the height direction Z of the side wall deformation joint 22.

[0136] In one embodiment, the roof waterproof structure 33 includes a top surface fine aggregate concrete protective layer 331, a top surface waterproof coiled material layer 332, a top surface additional waterproof coiled material layer 333, a top surface foam plastic rod 334, a top surface fine aggregate concrete layer 335, a roof external pasted waterstop 336, a top polystyrene board 337, a roof embedded waterstop 338 and a roof sealant layer 339;

[0137] The top polystyrene board 337 is filled in the roof deformation joint 23, and the roof embedded waterstop 338 is arranged in the roof deformation joint 23. One side of the roof embedded waterstop 338 is connected to the roof of the new basement connecting passage 63, and the other side is connected to the roof of the connecting passage 43;

[0138] The roof external pasted waterstop 336 is arranged above the roof deformation joint 23 (refer to the understanding of "above" as "above" in Figure 8 ), and one side is connected to the roof of the new basement connecting passage 63, and the other side is connected to the roof of the connecting passage 43;

[0139] The top surface fine aggregate concrete layer 335 is arranged above the roof of the new basement connecting passage 63, above the roof external pasted waterstop 336, and above the roof of the connecting passage 43, and the top surface fine aggregate concrete layer 335 maintains a set joint width directly above the roof deformation joint 23;

[0140] The top surface foam plastic rod 334, the top surface additional waterproof coiled material layer 333, and the top surface waterproof coiled material layer 332 are arranged above the top surface fine aggregate concrete layer 335, and the top surface additional waterproof coiled material layer 333 and the top surface waterproof coiled material layer 332 specifically relate to the waterproof laying of the water-facing surface at the joint R between the roof of the connecting passage 43 and the existing basement exterior wall 51;

[0141] The top surface fine aggregate concrete protective layer 331 is arranged on the top surface waterproof coiled material layer 332;

[0142] The roof sealant layer 339 is arranged below the top polystyrene board 337 and seals the lower part of the roof deformation joint 23 (refer to the understanding of "below" as "below" in Figure 8 ).

[0143] Refer to Figure 8 and Figure 9, in one embodiment, when the top plate external pasted waterstop 336 and the top surface foamed plastic rod 334 are arranged, they are arranged along the length direction Y of the top plate deformation joint 23.

[0144] Refer to Figure 4 , Figure 6 , Figure 6a , Figure 6b and Figure 8 , in one embodiment, the bottom plate external pasted waterstop 316, the side wall external pasted waterstop 326, and the top plate external pasted waterstop 336 are all made of rubber material.

[0145] Refer to Figure 4 , Figure 6 , Figure 6a , Figure 6b and Figure 8 , in one embodiment, the bottom plate embedded waterstop 318, the side wall embedded waterstop 328, and the top plate embedded waterstop 338 are all made of rubber material.

[0146] Refer to Figure 2 and Figure 3 , in one embodiment, the L-shaped external pasted waterstop 15 is made of rubber material or steel material.

[0147] Refer to Figure 4 , Figure 6 , Figure 6a , Figure 6b and Figure 8 , in one embodiment, the diameters of the bottom surface foamed plastic rod 314, the side surface foamed plastic rod 324, and the top surface foamed plastic rod 334 are 30 mm to 60 mm.

[0148] In the past, without the deformation joint 2, the R joint at the connection between the connecting passage 4 and the existing basement 5 was prone to crack due to (concrete) shrinkage deformation or was prone to crack due to settlement deformation, thus causing the problem of water leakage at the joint. For the "waterproof structure at the connection between a newly built basement and an existing basement" of the present utility model, after the deformation joint 2 is set, the problem that the R joint at the connection between the connecting passage and the existing basement 5 was prone to crack in the past can be solved. Therefore, the problem of water leakage caused by the crack of the R joint at the connection between the connecting passage and the existing basement 5 in the past can be avoided. Further, the present invention also sets a first waterproof structure 1 on the back water surface A of the R joint at the connection between the connecting passage 4 and the existing basement 5, and this first waterproof structure 1 can further improve the anti-seepage and water leakage prevention capabilities of the R joint at the connection between the connecting passage 4 and the existing basement 5; because the present invention sets the deformation joint 2, a second waterproof structure 3 is designed accordingly to improve the anti-seepage and water leakage prevention capabilities of the deformation joint 2 and its vicinity. The appearance of the present utility model improves the anti-seepage and water leakage prevention capabilities at the connection between the newly built basement 6 and the existing basement 4, which is beneficial to protecting the structural safety.

[0149] The first waterproof structure 1, deformation joint 2, and second waterproof structure 3 of the present utility model can be technically transferred for use on other building structures. That is, the waterproof structure invented by the present utility model is not limited to being applied in basement building structures. That is, the "newly built basement" and "existing basement" of the present utility model can be building structures in a broad sense.

[0150] For other contents of the waterproof structure at the connection between the newly built basement and the existing basement described in the present utility model, reference can be made to the prior art and will not be elaborated here.

[0151] The above are only the preferred embodiments of the present utility model and do not impose any form of limitation on the present utility model. Therefore, any modifications, equivalent changes, and decorations made to the above embodiments based on the technical essence of the present utility model without departing from the content of the technical solution of the present utility model still fall within the scope of the technical solution of the present utility model.

Claims

1. A waterproof structure at the connection between a new basement and an existing basement, characterized in that: It includes a first waterproof structure, a deformation joint and a second waterproof structure; the connecting channel is connected to the existing basement, and the back water surface of the connection is provided with the first waterproof structure; the deformation joint is provided between the connecting channel and the newly built basement connecting channel; the second waterproof structure is provided at the deformation joint and its vicinity.

2. The waterproof structure at the connection between the new basement and the existing basement according to claim 1 is characterized in that: The first waterproof structure includes a bottom plate back water surface waterproof component, a side wall back water surface waterproof component and a top plate back water surface waterproof component; The back water surface of the connection between the bottom plate of the connecting passage and the existing basement is provided with the back water surface waterproof component of the bottom plate; The back water surface of the connection between the side wall of the connecting passage and the existing basement is provided with the side wall back water surface waterproof component; The back water surface of the connection between the top plate of the connecting passage and the existing basement is provided with the top plate back water surface waterproof component; After the bottom plate back water surface waterproof assembly, the side wall back water surface waterproof assembly and the top plate back water surface waterproof assembly are arranged, a circular waterproof assembly is formed as a whole.

3. The waterproof structure at the connection between the new basement and the existing basement according to claim 2 is characterized in that: Any one of the bottom plate back water surface waterproof assembly, the side wall back water surface waterproof assembly, and the top plate back water surface waterproof assembly comprises an L-shaped external water stop, a first anchor assembly, and a second anchor assembly; One plate surface of the L-shaped external waterstop is fixed to the connecting channel by the first anchoring assembly; The other plate surface of the L-shaped external waterstop is fixed to the existing basement outer wall through the second anchoring assembly.

4. The waterproof structure at the connection between the new basement and the existing basement according to claim 3 is characterized in that: The first anchoring components are provided in a plurality of groups; two adjacent groups of the first anchoring components maintain a set distance.

5. The waterproof structure at the connection between the new basement and the existing basement according to claim 3 is characterized in that: The first anchoring assembly includes a first anchor rod, a steel plate, a first steel pressure piece and a first anchor rod nut; the first anchor rod and the steel plate are connected, and the first anchor rod and the steel plate are pre-embedded in a connecting channel; a plate surface of the L-shaped external waterstop is fixed to the first anchor rod and the steel plate through the first steel pressure piece and the first anchor rod nut.

6. The waterproof structure at the connection between the new basement and the existing basement according to claim 1 is characterized in that: The deformation joint is arranged 500 mm away from the joint between the connecting passage and the existing basement; the width of the deformation joint is 10 mm to 20 mm.

7. The waterproof structure at the connection between a new basement and an existing basement according to any one of claims 1 to 6, characterized in that: The second waterproof structure includes a bottom plate waterproof structure, a side wall waterproof structure and a top plate waterproof structure; The deformation joints include bottom plate deformation joints, side wall deformation joints and top plate deformation joints; The bottom plate deformation joint is provided between the bottom plate of the newly built basement connecting passage and the bottom plate of the connecting passage; The side wall deformation joint is provided between the side wall of the newly built basement connecting passage and the side wall of the connecting passage; The top plate deformation joint is provided between the top plate of the newly built basement connecting passage and the top plate of the connecting passage; The places where the bottom plate waterproof structure is arranged include the bottom plate deformation joint, the bottom plate of the newly built basement connecting passage, and the bottom plate of the connecting passage; The places where the side wall waterproof structure is arranged include the side wall deformation joint, the outer side wall of the newly built basement connecting passage, and the outer side wall of the connecting passage; The places where the roof waterproof structure is arranged include the roof deformation joint, the top of the newly built basement connecting channel top plate, and the top of the connecting channel top plate.

8. The waterproof structure at the connection between the new basement and the existing basement according to claim 7 is characterized in that: The bottom plate waterproof structure comprises a bottom fine stone concrete layer, a bottom waterproof coiled material layer, a bottom additional waterproof coiled material layer, a bottom foam plastic rod, a bottom fine stone concrete protective layer, a bottom plate external water stop, a bottom polystyrene board, a bottom plate embedded water stop and a bottom plate sealing paste layer; The bottom fine stone concrete layer is provided below the bottom slab of the newly built basement connecting passage and the bottom slab of the connecting passage; The bottom surface waterproofing coiled material layer is arranged on the bottom surface fine stone concrete layer; The bottom additional waterproof roll material layer is arranged on the bottom waterproof roll material layer; The bottom foam plastic rod is arranged on the bottom additional waterproof roll material layer; The bottom fine stone concrete protective layer is arranged on the bottom waterproof membrane layer and the bottom additional waterproof membrane layer, and the top of the bottom fine stone concrete protective layer is connected to the bottom of the newly built basement connecting passage bottom plate and the bottom of the connecting passage bottom plate; The bottom plate external water stop is arranged on the bottom fine stone concrete protective layer, and one side is connected to the new basement connecting channel bottom plate, and the other side is connected to the connecting channel bottom plate, and seals the bottom of the bottom plate deformation joint; The bottom polystyrene board is filled in the bottom plate deformation joint, and the bottom plate embedded waterstop is arranged in the bottom plate deformation joint, and one side of the bottom plate embedded waterstop is connected to the bottom plate of the newly built basement connecting passage, and the other side is connected to the bottom plate of the connecting passage; The bottom plate sealing paste layer is arranged on the bottom polystyrene plate and seals the top of the bottom plate deformation joint.

9. The waterproof structure at the connection between the new basement and the existing basement according to claim 7, characterized in that: The side wall waterproof structure includes a brickwork protective layer, a side waterproofing coiled material layer, a side additional waterproofing coiled material layer, a side foam plastic rod, a mortar layer, a side wall external water stop, a side wall polystyrene board, a side wall embedded water stop, and a side wall sealing paste layer; The brickwork protective layer is provided on the side walls of the newly built basement connecting passage and on the outer sides of the connecting passage; The side waterproofing coiled material layer is arranged on the inner side of the brickwork protective layer; The side additional waterproof roll material layer is arranged on the inner side of the side waterproof roll material layer; The side foam plastic rod is arranged on the inner side of the additional waterproof roll material layer; The mortar layer is arranged on the inner side of the side waterproofing membrane layer and the side additional waterproofing membrane layer, and the inner side surface of the mortar layer is connected to the outer side surface of the side wall of the newly built basement connecting passage and the outer side surface of the connecting passage side wall; The side wall external water stop is arranged on the inner side of the mortar layer, and one side is connected to the new basement connecting passage side wall, and the other side is connected to the connecting passage side wall, and seals the outer side of the side wall deformation joint; The side wall polystyrene board is filled in the side wall deformation joint, and the side wall embedded waterstop is provided in the side wall deformation joint, and one side of the side wall embedded waterstop is connected to the new basement connecting passage side wall, and the other side is connected to the connecting passage side wall; The side wall sealing paste layer is arranged on the inner side of the side wall polystyrene board and seals the inner side of the side wall deformation joint.

10. The waterproof structure at the connection between the new basement and the existing basement according to claim 7, characterized in that: The roof waterproof structure includes a top fine stone concrete protective layer, a top waterproof coiled material layer, a top additional waterproof coiled material layer, a top foam plastic rod, a top fine stone concrete layer, a top external water stop, a top polystyrene board, a top buried water stop and a top sealing paste layer; The top polystyrene board is filled in the deformation joint of the top plate, and the top plate embedded waterstop is provided in the deformation joint of the top plate, and one side of the embedded waterstop is connected to the top plate of the newly built basement connecting passage, and the other side is connected to the top plate of the connecting passage; The top plate external water stop is arranged above the top plate deformation joint, and one side is connected to the top plate of the newly built basement connecting passage, and the other side is connected to the top plate of the connecting passage; The top fine stone concrete layer is arranged above the top plate of the newly built basement connecting passage, above the top plate external water stop, and above the connecting passage top plate; The top foam plastic rod, the top additional waterproof coiled material layer, and the top waterproof coiled material layer are arranged above the top fine stone concrete layer; The top surface fine stone concrete protective layer is arranged on the top surface waterproofing membrane layer; The top plate sealing paste layer is arranged below the top polystyrene plate and seals the bottom of the top plate deformation joint.

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