Formwork erecting system for construction joint of basement outer wall

By using a combination of Z-shaped horizontal construction joints and water-stop steel plates at the construction joints of the basement exterior walls, the waterproofing problem at the construction joints of the basement exterior walls was solved, achieving an effective waterproofing effect for the basement.

CN223469030UActive Publication Date: 2025-10-24WENZHOU ZHONGCHENG CONSTR GRP CO LTD
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Patent Information

Application Number
CN202422625822.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-30
Publication Date
2025-10-24
Estimated Expiration
2034-10-30

AI Technical Summary

Technical Problem

Waterproofing is a challenge at construction joints in basement exterior walls, especially at the junction of the basement foundation and the exterior walls. Water in the backfill soil may seep into the basement through these joints, affecting its usability.

Method used

A Z-shaped horizontal construction joint formwork system is adopted, which, combined with a water-stop steel plate, forms a double waterproofing measure. The Z-shaped horizontal construction joint is formed by pouring through the formwork system, which extends the waterproofing path. The first formwork component and the combination of inner and outer formwork are used to enhance the waterproofing effect.

Benefits of technology

It effectively extends the waterproof path, enhances the waterproof effect of the basement exterior wall, avoids water seepage problems caused by construction joints, and improves the waterproof performance of the wall.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a basement exterior wall construction joint formwork system, an exterior wall comprises a waterproof guide wall and a wall body, a Z-shaped horizontal construction joint is formed between the waterproof guide wall and the wall body, a water stop steel plate is arranged at the horizontal construction joint of the waterproof guide wall, and the basement exterior wall construction joint formwork system comprises a first formwork assembly. The first formwork assembly is used for forming a Z-shaped horizontal construction joint and forming a waterproof guide wall pouring cavity, the first formwork assembly comprises an outer formwork and an inner formwork, the outer end face of the outer formwork is provided with an outer supporting piece which is detachably connected, the Z-shaped horizontal construction joint is formed through pouring of the formwork erecting system, and then the water seepage prevention path is prolonged; and in combination with the arrangement of the water stop steel plates, the double water stop effect is achieved, and the waterproof effect of the wall is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a basement outer wall construction joint formwork system. BACKGROUND

[0002] Construction joint refers to the joint between the concrete poured in the first and the concrete poured later due to the design requirement or the need for segmented pouring in the concrete pouring process. The construction joint is not a real joint, but a joint surface between the concrete poured in the first and the concrete poured later, which is called construction joint.

[0003] Waterproofing at the construction joint is a big problem in design and construction, especially for the construction joint at the connection between the basement foundation and the basement outer wall. Because the outer side of the basement outer wall will be backfilled in the later construction, the water in the backfill may penetrate into the interior space of the basement through the construction joint, affecting the use of the basement. UTILITY MODEL CONTENT

[0004] In view of the deficiencies in the prior art, the purpose of the present experiment is to provide a basement outer wall construction joint formwork system. The Z-shaped horizontal construction joint is formed by pouring through the formwork system, thereby prolonging the path of water seepage, and the double water stop effect is formed by combining the upper water stop steel plate, thereby enhancing the waterproof effect of the wall.

[0005] To achieve the above-mentioned purpose, the present experiment provides the following technical scheme: a basement outer wall construction joint formwork system, the outer wall includes a waterproof guide wall and a wall body, a Z-shaped horizontal construction joint is formed between the waterproof guide wall and the wall body, a water stop steel plate is arranged at the horizontal construction joint of the waterproof guide wall, and the system includes a first formwork assembly, the first formwork assembly is used to form a Z-shaped horizontal construction joint and a waterproof guide wall pouring wall, the first formwork assembly includes an outer formwork and an inner formwork, and the outer end surface of the outer formwork is provided with a detachable outer support.

[0006] Further, the outer formwork is provided with a plurality of limiting clamping blocks corresponding to the outer support, and the side edge of the limiting clamping block is provided with a through connecting hole, and the through connecting hole limits the outer support in the limiting clamping block through the connecting bolt.

[0007] Further, the outer support includes a plurality of first support rods and a second support plate, a cross or X-shaped frame is connected between the first support rods, a horizontal adjusting member is arranged between the first support rods and the second support plate, the horizontal adjusting member is used to adjust the distance between the first support rods and the second support plate, thereby adapting to the distance between the outer formwork and the peripheral foundation pit and supporting the outer formwork.

[0008] Further, the transverse adjusting member comprises a hollow sleeve transversely arranged on the first supporting rod, the second supporting plate is provided with a inserting rod corresponding to the hollow sleeve, the inserting rod and the hollow sleeve are both provided with positioning holes, and a bolt is arranged between the positioning holes, the position of the inserting rod in the hollow sleeve is adjusted, and then the position between the first supporting rod and the second supporting plate is adjusted.

[0009] Further, the inner formwork comprises a main formwork and a C-shaped formwork, the main formwork is provided with a through groove matched with the C-shaped formwork, a close-adjusting member is arranged between the main formwork and the C-shaped formwork, the close-adjusting member is used for adjusting the position of the C-shaped formwork on the main formwork, the distance between the main formwork and the outer formwork is the overall thickness of the outer wall, and the C-shaped formwork is used for forming a Z-shaped horizontal construction joint.

[0010] Further, the close-adjusting member comprises rotating screws arranged at four end portions of the main formwork, the C-shaped formwork is provided with threaded blocks corresponding to the rotating screws, the threaded blocks move transversely along the rotating screws by rotating the rotating screws, and then the C-shaped formwork moves transversely, and synchronous transmission members are arranged between the rotating screws in the same vertical direction.

[0011] Further, the main formwork is provided with a first inner supporting member, the first inner supporting member comprises a horizontal strip arranged on the main formwork, a plurality of grooves are arranged at intervals along the transverse length of the horizontal strip, first oblique supporting rods are hingedly connected in the grooves, the other end of the first oblique supporting rod abuts against an L-shaped base, and the L-shaped base is fixed to the base plate through a pre-embedded member.

[0012] Further, the C-shaped formwork is provided with a second inner supporting member, the second inner supporting member is clamped to the L-shaped base at the end portion, the second inner supporting member comprises a vertical plate, a second oblique supporting rod is connected to the rear end surface of the vertical plate, the end portion of the second oblique supporting rod is fixed to the base plate through a pre-embedded member, the end surface of the vertical plate facing the C-shaped formwork is provided with a hook portion, the threaded blocks are all hingedly connected with abutting rods, the end portion of the abutting rod is a hook end, the hook end is clamped in the hook portion, and then the movement of the threaded blocks is limited.

[0013] Further, a plurality of groups of pulling screws are arranged between the outer formwork and the C-shaped formwork.

[0014] Beneficial effects: the first formwork assembly is used for pouring a waterproof guide wall and forming a Z-shaped horizontal construction joint, the waterproof effect is enhanced through the Z-shaped horizontal construction joint, and double waterproof measures are formed in combination with the arrangement of the upper water stop steel plate; compared with a linear horizontal construction joint, the quality common fault of pouring staggered courses of the waterproof guide wall and the wall body is avoided through the arrangement of the Z-shaped horizontal construction joint. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is an outer wall construction joint schematic view;

[0016] Figure 2 Schematic diagram of the formwork system;

[0017] Figure 3 Schematic diagram of the formwork system with the steel frame hidden;

[0018] Figure 4 It is a side view of the inner template;

[0019] Figure 5 is a top view of the outer support member;

[0020] Figure 6 Schematic diagram of the hook portion.

[0021] 1. Waterproof guide wall; 2. Wall; 3. Z-shaped horizontal construction joint; 4. Waterstop steel plate; 5. First formwork assembly; 51. Outer formwork; 52. Inner formwork; 521. Main formwork; 522. C-shaped formwork; 6. Outer support member; 61. First support rod; 62. Second support plate; 7. Limiting block; 71. Through-connecting hole; 8. Horizontal adjustment member; 81. Hollow sleeve; 82. Insert rod; 83. Positioning hole; 84. Pin; 9. Tightening adjustment member; 91. Rotating screw; 92. Threaded block; 10. First inner support member; 101. Horizontal bar; 102. First oblique support rod; 103. L-shaped base; 11. Second inner support member; 111. Vertical plate; 112. Second oblique support rod; 113. Hook portion; 114. Abutment rod; 115. Hook end; 12. Tension screw. DETAILED DESCRIPTION

[0022] In order to further illustrate the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the following is a detailed description of the specific implementation method, structure, characteristics and effects of the present invention in combination with the accompanying drawings and preferred embodiments.

[0023] Refer to Figures 1-6As shown, the new experiment provides a basement outer wall construction joint formwork system, the outer wall includes waterproof guide wall 1 and wall 2, the waterproof guide wall 1 and wall 2 form Z-shaped horizontal construction joint 3, the horizontal construction joint at the waterproof guide wall 1 is provided with a water stop steel plate 4. Due to the design requirement or construction needs to be poured in sections, and the joint formed between the successively poured concrete, the construction joint is not a real existing seam, it is only because the first poured concrete exceeds the initial setting time, and there is a bonding surface between the later poured concrete, water can penetrate into the basement through the construction joint, which affects the use of the basement. Therefore, the formwork system is set, and the Z-shaped horizontal construction joint 3 is formed by pouring through the formwork system, which prolongs the waterproof path and enhances the waterproof effect. Specifically, it includes a first formwork assembly 5, the first formwork assembly 5 includes an outer formwork 51 and an inner formwork 52, the outer end surface of the outer formwork 51 is provided with a detachable connecting outer support 6, the outer formwork 51 is provided with a plurality of limiting blocks 7 corresponding to the outer support 6, the side of the limiting block 7 is provided with a through connecting hole 71, the through connecting hole 71 is connected by connecting bolts to limit the outer support 6 in the limiting block 7, and then the outer support 6 and the outer formwork 51 are connected together. As shown, the outer support 6 includes a plurality of first support rods 61 and a second support plate 62, the number of first support rods 61 is two. This application takes two as an example, two first support rods 61 are connected by a cross or X-shaped frame, which enhances the support of the outer formwork 51 and prevents deformation. The first support rod 61 and the second support plate 62 are provided with a horizontal adjusting member 8, the horizontal adjusting member 8 is used for adjusting the distance between the first support rod 61 and the second support plate 62, and then the distance between the outer formwork 51 and the surrounding foundation pit is adapted and the outer formwork 51 is supported. The horizontal adjusting member 8 includes a hollow sleeve 81 horizontally provided on the first support rod 61, a plug rod 82 provided on the second support rod corresponding to the hollow sleeve 81, the plug rod 82 and the hollow sleeve 81 are provided with a positioning hole 83, the positioning hole 83 is provided with a latch 84, the horizontal distance is adjusted by the position of the plug rod 82 in the hollow sleeve 81. The horizontal adjusting member 8 is not limited to the above structure, and can also use multi-stage threaded telescopic rod, hydraulic telescopic rod to realize horizontal adjustment, as long as the horizontal distance adjustment can be applied to this application.

[0024] As Figure 4As shown, the inner template 52 comprises a main template 521 and a C-shaped template 522, the main template 521 is provided with a through slot matched with the C-shaped template 522, a abutting adjusting piece 9 is arranged between the main template 521 and the C-shaped template 522, the abutting adjusting piece 9 is used for adjusting the position of the C-shaped template 522 on the main template 521, the distance between the main template 521 and the outer template 51 is the overall thickness of the outer wall, and the C-shaped template 522 is used for forming the Z-shaped horizontal construction joint 3. The main template 521 is provided with a first inner support piece 10, the first inner support piece 10 comprises a horizontal bar 101 arranged on the main template 521, a plurality of grooves are arranged on the horizontal bar 101 at intervals along the transverse length, a first inclined support rod 102 is hinged in the groove, the other end of the first inclined support rod 102 abuts against an L-shaped base 103, the L-shaped base 103 is fixed with the foundation bottom plate through a pre-embedded piece, the support of the main template 521 is realized, the positioning of the pouring template installation position of the subsequent wall body 2 is realized, and the problems of misalignment and slurry leakage of the front and rear poured concrete are avoided.

[0025] As Figure 2 , Figure 3As shown, when pouring the waterproof guide wall 1, the C-shaped formwork 522 is moved transversely along the main formwork 521 to form the pouring wall of the waterproof guide wall 1, and after the pouring of the waterproof guide wall 1 is completed, the C-shaped formwork 522 is reset to the through slot of the main formwork 521 by abutting against the adjusting piece 9 to form the partial formwork of the pouring wall 2. The abutting adjusting piece 9 comprises rotating screw rods 91 arranged at the four end portions of the main formwork 521, and the C-shaped formwork 522 is provided with threaded blocks 92 corresponding to the rotating screw rods 91, and by rotating the rotating screw rods 91, the threaded blocks 92 are moved transversely along the rotating screw rods 91 to further move the C-shaped formwork 522 transversely. In order to facilitate the rotation of the rotating screw rods 91, synchronous rotating pieces are arranged between the rotating screw rods 91 in the same vertical direction, the synchronous rotating piece comprises synchronous wheels, a transmission belt between the synchronous wheels, and a rotating handle connected to the synchronous wheel at the low position, and by rotating the rotating handle, the rotation of the rotating screw rods 91 is realized synchronously, and the movement of the C-shaped formwork 522 is realized. The C-shaped formwork 522 is provided with a second inner support piece 11, the end portion of the second inner support piece 11 is clamped with the L-shaped base 103, the second inner support piece 11 comprises a vertical plate 111, the rear end surface of the vertical plate 111 is connected with a second inclined support rod 112, the end portion of the second inclined support rod 112 is fixed with the foundation bottom plate through a pre-buried piece, the end surface of the vertical plate 111 facing the C-shaped formwork 522 is provided with a hook portion 113, the threaded blocks 92 are all hinged with abutting rods 114, the end portion of the abutting rod 114 is a hook end 115, the hook end 115 is clamped in the hook portion 113 to further limit the movement of the threaded blocks 92, and a certain abutting force is provided for the C-shaped formwork 522. A plurality of sets of tensioning screw rods 12 are arranged between the outer formwork 51 and the C-shaped formwork 522, and by arranging the tensioning screw rods 12, the expansion of the formwork between the outer formwork 51 and the C-shaped formwork 522 during pouring is prevented. The upper end surface of the first formwork assembly 5 can also be arranged to be a clamping end, the second formwork assembly for forming the pouring cavity of the wall 2 is clamped on the first formwork assembly 5, and the second formwork assembly cooperates with the first formwork assembly 5 to form the pouring cavity of the wall 2, and after the pouring of the pouring cavity of the wall 2 is completed, the formwork is removed uniformly.

[0026] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Although the present application has been disclosed as above with a preferred embodiment, it is not intended to limit the present application, and any person skilled in the art can make some changes or modifications to the above disclosed technical content to obtain equivalent embodiments with equivalent changes, but as long as it does not deviate from the technical solution of the present application, any modification, equivalent change and modification of the above embodiments according to the technical essence of the present application are still within the scope of the technical solution of the present application.

Claims

1. A basement outer wall construction joint formwork system, the outer wall comprising a waterproof guide wall (1) and a wall body (2), a Z-shaped horizontal construction joint (3) is formed between the waterproof guide wall (1) and the wall body (2), a water stop steel plate (4) is arranged at the horizontal construction joint of the waterproof guide wall (1), characterized in that: The utility model provides a kind of waterproof guide wall (1) and Z-shaped horizontal construction joint (3) forming system, including first template component (5), the first template component (5) is used to form Z-shaped horizontal construction joint (3) and form waterproof guide wall (1) pouring cavity, the first template component (5) includes outer template (51) and inner template (52), outer template (51) outer end surface is equipped with detachable connection's outer support (6).

2. The basement exterior wall construction joint formwork system according to claim 1, characterized in that: The outer template (51) is provided with a plurality of limiting blocks (7) corresponding to the outer support (6), and the side edges of the limiting blocks (7) are provided with through connecting holes (71). The through connecting holes (71) limit the outer support (6) within the limiting blocks (7) through connecting bolts.

3. The basement exterior wall construction joint formwork system according to claim 2, characterized in that: The outer support (6) includes a plurality of first support rods (61) and a second support plate (62). The first support rods (61) are connected with a cross or X-shaped frame. A transverse adjusting member (8) is arranged between the first support rods (61) and the second support plate (62). The transverse adjusting member (8) is used to adjust the distance between the first support rods (61) and the second support plate (62), thereby adapting to the distance between the outer template (51) and the surrounding foundation pit and supporting the outer template (51).

4. The basement exterior wall construction joint formwork system according to claim 3, characterized in that: The transverse adjusting member (8) includes a hollow sleeve (81) transversely arranged on the first support rod (61). The second support plate (62) is provided with a plug rod (82) corresponding to the hollow sleeve (81). The plug rod (82) and the hollow sleeve (81) are both provided with positioning holes (83). A latch (84) is arranged between the positioning holes (83). The position of the first support rod (61) and the second support plate (62) is adjusted by the position of the plug rod (82) in the hollow sleeve (81).

5. The basement exterior wall construction joint formwork system according to claim 4, characterized in that: The inner template (52) includes a main template (521) and a C-shaped template (522). The main template (521) is provided with a through slot matched with the C-shaped template (522). A close-fitting adjusting member (9) is arranged between the main template (521) and the C-shaped template (522). The close-fitting adjusting member (9) is used to adjust the position of the C-shaped template (522) on the main template (521). The distance between the main template (521) and the outer template (51) is the overall thickness of the outer wall. The C-shaped template (522) is used to form the Z-shaped horizontal construction joint (3).

6. The basement exterior wall construction joint formwork system according to claim 5, characterized in that: The close-fitting adjusting member (9) includes rotating screws (91) arranged at the four end portions of the main template (521). The C-shaped template (522) is provided with threaded blocks (92) corresponding to the rotating screws (91). By rotating the rotating screws (91), the threaded blocks (92) move transversely along the rotating screws (91), thereby moving the C-shaped template (522) transversely. Synchronous transmission members are arranged between the rotating screws (91) in the same vertical direction.

7. The basement exterior wall construction joint formwork system according to claim 6, characterized in that: The main template (521) is provided with a first inner support (10), which comprises a horizontal bar (101) arranged on the main template (521), a plurality of grooves are arranged at intervals along the horizontal length of the horizontal bar (101), a first inclined support rod (102) is hinged in the grooves, and the other end of the first inclined support rod (102) abuts against an L-shaped base (103), and the L-shaped base (103) is fixed with the foundation bottom plate through a pre-embedded part.

8. The basement exterior wall construction joint formwork system according to claim 7, characterized in that: The C-shaped template (522) is provided with a second inner support (11), the end of the second inner support (11) is clamped with the L-shaped base (103), the second inner support (11) comprises a vertical plate (111), the rear end surface of the vertical plate (111) is connected with a second inclined support rod (112), the end of the second inclined support rod (112) is fixed with the foundation bottom plate through a pre-embedded part, the end surface of the vertical plate (111) towards the C-shaped template (522) is provided with a hook part (113), the threaded block (92) is hinged with an abutting rod (114), the end of the abutting rod (114) is a hook end (115), the hook end (115) is clamped in the hook part (113) to limit the movement of the threaded block (92).

9. The basement exterior wall construction joint formwork system according to claim 8, characterized in that: A plurality of groups of opposite pulling screw rods (12) are arranged between the outer template (51) and the C-shaped template (522).