Novel prefabricated part retaining wall structure and construction method

Abstract

The invention discloses a novel prefabricated part retaining wall structure and a construction method. The novel prefabricated part retaining wall structure comprises a component A, a component B, a component C, a component D, a component E, a component F, a component G and a fixing component. The lower end of the component A is matched with the component B, and the lower end of the component B is matched with the component C; the right end of the component A is matched with the component D; the bottom end of the component D is matched with the component E; the bottom end of the component E is matched with the component F, and the right end of the component F is matched with the component G; the member C and the member G combine the slurry and the soil body through the fixing member to form a bottom structure. A spiral drill rod with a grouting hole is adopted at the bottom of the retaining wall, the grouting hole is formed in the retaining wall component in the vertical direction, a drainage hole is formed in the retaining wall component in the horizontal direction, after the retaining wall structural component is installed, the grouting hole in the retaining wall structure is connected with the end of the spiral drill rod, and grouting is conducted through the internal grouting hole. Slurry and a soil body form a bottom structure through the spiral drill rod with the grouting holes, so that components form an integral structure, the bearing stability of the retaining wall structure is improved, construction is convenient, and the integral construction efficiency is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of building construction, and in particular relates to a novel prefabricated retaining wall structure and a construction method. Background Art

[0002] The construction sequence of retaining wall structure is usually measurement and layout → excavation of foundation pit → foundation construction → optional surface stone mixed with mortar → wall construction → cleaning and grouting.

[0003] Since conventional retaining wall construction technology has slow construction efficiency during the construction process, the retaining wall masonry stones have poor regularity, the aesthetics is poor after the construction is completed, and the mortar is prone to looseness during the retaining wall masonry process, which affects the stability of the retaining wall structure and may also lead to an extension of the construction period and an increase in costs, a new type of prefabricated retaining wall structure is needed to improve the safety and aesthetics of the retaining wall structure. Summary of the invention

[0004] The purpose of the present invention is to provide a novel prefabricated retaining wall structure and construction method to solve the problems raised in the above background technology.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions: A novel prefabricated retaining wall structure comprises a component A, a component B, a component C, a component D, a component E, a component F, a component G and a fixed component; The cross section of the component A is square, with a grouting hole at the upper end, a connecting protrusion at the lower end, a connecting groove at the right end, and a drainage hole on the connecting groove; The cross section of the component B is square, the upper end of the component B is provided with a connecting groove that matches the connecting protrusion, the connecting groove is provided with a grouting hole, the lower end of the component B is provided with a connecting protrusion, the right end is provided with a connecting groove, and the connecting groove is provided with a drainage hole; The cross section of the component C is square, the upper end of the component C is provided with a connecting groove that matches the connecting protrusion, the connecting groove is provided with a drill rod mounting hole, the right end of the component C is provided with a connecting groove, and the connecting groove is provided with a drain hole; The cross section of the component D is a right triangle, the left end of the component D has a connecting protrusion that matches the connecting groove, the lower end also has a connecting protrusion that matches the connecting groove, and the inclined surface of the component D has a drainage hole; The cross section of the component E is square, the left end and the bottom end of the component E are respectively provided with connection protrusions, the upper end and the right end of the component E are provided with connection grooves, and the connection groove at the right end has a drainage hole; The cross section of the component F is square, the left end of the component F has a connecting protrusion, the upper end and the right end of the component F have connecting grooves, and the connecting groove at the right end has a drainage hole; The cross section of the component G is a right triangle, the left end of the component G has a connecting protrusion that matches the connecting groove, and the inclined surface has a drill rod mounting hole; The lower end of component A cooperates with component B, and the lower end of component B cooperates with component C; the right end of component A cooperates with component D; the bottom end of component D cooperates with component E; the bottom end of component E cooperates with component F, and the right end of component F cooperates with component G; components C and G combine the slurry with the soil through fixing components to form a bottom structure.

[0006] Furthermore, the fixing component includes a mounting end, a drilling screw, a grouting hole A, and a bottom flap-type grouting hole; the mounting end is respectively mounted on the component C and the component G through the drill rod mounting hole.

[0007] Furthermore, all the connection protrusions cooperate with the corresponding connection grooves.

[0008] Furthermore, the component B is connected vertically in multiples; the component E is connected horizontally in multiples; the component F is connected horizontally in multiples; and the multiple components D form an inclined surface.

[0009] Furthermore, the grouting holes of the components C, B and A installed axially and vertically form the internal grouting holes of the retaining wall; the installation end of the fixed component H is installed with the component and connected with the internal grouting hole 10 of the component.

[0010] Furthermore, in the construction method of the novel prefabricated retaining wall structure, firstly prefabricate the retaining wall components A, B, C, D, E, F and G as required, and then operate according to the following steps: Step 1: After the excavation of the retaining wall foundation trench is completed, the foundation bearing capacity is tested. After the bearing capacity test meets the requirements, cement stabilized gravel is used for foundation cushion treatment. After compaction, the elevation of the completed surface is re-measured, and the position of the prefabricated retaining wall is positioned and laid out; Step 2: Transport the prefabricated retaining wall components to the construction site and stack them in the order and position of installation; Step 3: implant a fixing member with a spiral drill hole at the bottom of the retaining wall and install it with member C and member G respectively; Step 4: Component C is connected and installed using component B in the vertical direction, and the retaining wall structure is connected and installed using component A and component B; Step 5: Component F is connected and installed vertically by component E, and the slope surface of the retaining wall structure is installed using component D; Step 6: After the retaining wall structure is installed, grouting is performed through the internal grouting holes and the drill rod installation holes on the component G, so that the grouting liquid and the soil form a bottom structure through the grouting holes of the fixed component and the component G, thereby improving the stability of the retaining wall structure; Step 7: After the retaining wall is installed, fill the back of the wall.

[0011] Furthermore, in the step seven, the filling is carried out in layers, each layer is not more than 300 mm thick, and is compacted mechanically or manually, and the compaction degree meets the requirements.

[0012] Compared with the prior art, the advantages of the present invention are as follows: the present invention can prefabricate components before construction, the component sizes are regular, the construction is convenient, the retaining wall structure is installed in a slot-type manner through the connecting grooves and connecting protrusions of the prefabricated components, and after the installation is completed, the internal grouting structure is used for glue injection and consolidation, which effectively improves the construction efficiency and aesthetics of the retaining wall structure, and the operation is simple and the adaptability is strong. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is a structural schematic diagram of the present invention; Figure 2 It is a schematic diagram of component A of the present invention; Figure 3 It is a schematic diagram of component B of the present invention; Figure 4 It is a schematic diagram of component C of the present invention; Figure 5 It is a schematic diagram of component D of the present invention.

[0015] Figure 6 It is a schematic diagram of component E of the present invention.

[0016] Figure 7 It is a schematic diagram of component F of the present invention.

[0017] Figure 8 It is a schematic diagram of component G of the present invention.

[0018] Fig. 9 It is a schematic diagram of component H of the present invention.

[0019] Fig.10 For the present invention Figure 1 Right view of .

[0020] Markings in the figure: 1-component A, 2-component B, 3-component C, 4-component D, 5-component E, 6-component F, 7-component G, 8-fixed component, 9-bottom structure, 10-internal grouting hole, 11-grouting hole, 12-connecting groove, 13-drainage hole, 14-connecting protrusion, 15-drill rod mounting hole, 16-mounting end, 17-drill rod spiral, 18-grouting hole A, 19-bottom flap grouting hole. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] See also Figure 1-10 , a new type of prefabricated retaining wall structure, including component A1, component B2, component C3, component D4, component E5, component F6, component G7 and fixed component 8; The cross section of the component A1 is square, with a grouting hole 11 at the upper end, a connecting protrusion 14 at the lower end, a connecting groove 12 at the right end, and a drainage hole 13 on the connecting groove 12; The cross section of the component B2 is square, the upper end of the component B2 is provided with a connecting groove 12 that matches the connecting protrusion, the connecting groove 12 is provided with a grouting hole 11, the lower end of the component B2 is provided with a connecting protrusion 14, the right end is provided with a connecting groove 12, and the connecting groove 12 is provided with a drainage hole 13; The cross section of the component C3 is square, the upper end of the component C3 is provided with a connecting groove 12 that matches the connecting protrusion, the connecting groove 12 is provided with a drill rod mounting hole 15, the right end of the component C3 is provided with a connecting groove 12, and the connecting groove 12 is provided with a drain hole 13; The cross section of the component D4 is a right triangle, the left end of the component D4 has a connecting protrusion 14 that matches the connecting groove, the lower end also has a connecting protrusion 14 that matches the connecting groove, and the inclined surface of the component D4 has a drainage hole 13; The cross section of the component E5 is square, the left end and the bottom end of the component E5 are respectively provided with connection protrusions 14, the upper end and the right end of the component E5 are provided with connection grooves 12, and the connection groove 12 at the right end is provided with a drainage hole 13; The cross section of the component F6 is square, the left end of the component F6 has a connecting protrusion 14, the upper end and the right end of the component F6 have connecting grooves 12, and the connecting groove 12 at the right end has a drain hole 13; The cross section of the component G7 is a right triangle, the left end of the component G7 has a connecting protrusion 14 that matches the connecting groove, and the inclined surface has a drill rod mounting hole 15; The lower end of component A1 cooperates with component B2, and the lower end of component B2 cooperates with component C3; the right end of component A1 cooperates with component D4; the bottom end of component D4 cooperates with component E5; the bottom end of component E5 cooperates with component F6, and the right end of component F6 cooperates with component G7; components C3 and G7 combine the slurry with the soil through the fixing component 8 to form a bottom structure 9.

[0023] Furthermore, the fixing component 8 includes a mounting end 16, a drilling screw 17, a grouting hole A18, and a bottom flap-type grouting hole 19; the mounting end 16 is respectively mounted on the component C3 and the component G7 through the drill rod mounting hole 15.

[0024] Furthermore, all the connection protrusions 14 cooperate with the corresponding connection grooves 12 .

[0025] Furthermore, the component B2 is connected vertically in multiples; the component E5 is connected horizontally in multiples; the component F6 is connected horizontally in multiples; and the inclined surface is formed by multiple components D4.

[0026] Furthermore, the grouting holes 11 of the components C3, B2 and A1 installed axially and vertically form the internal grouting holes 10 of the retaining wall; the mounting end of the fixing component 8 is mounted on the components and connected to the internal grouting holes 10 of the components.

[0027] Furthermore, in the construction method of the novel prefabricated retaining wall structure, the retaining wall components A1, B2, C3, D4, E5, F6 and G7 are prefabricated as required, and then the following steps are followed: Step 1: After the excavation of the retaining wall foundation trench is completed, the foundation bearing capacity is tested. After the bearing capacity test meets the requirements, cement stabilized gravel is used for foundation cushion treatment. After compaction, the elevation of the completed surface is re-measured, and the position of the prefabricated retaining wall is positioned and laid out; Step 2: Transport the prefabricated retaining wall components to the construction site and stack them in the order and position of installation. When stacking, ensure that the components are stable to prevent damage; Step 3: implant a fixing member 8 with a spiral drill hole at the bottom of the retaining wall and install it with the member C3 and the member G7 respectively; Step 4: Component C3 is connected and installed with component B2 in the vertical direction, and the retaining wall structure is connected and installed with component A1 and component B2; Step 5: Component F6 is connected and installed in the vertical direction by component E5, and the retaining wall structure slope is installed using component D4; Step 6: After the retaining wall structure is installed, grouting is performed through the internal grouting holes 10 and the drill rod installation holes 15 on the component G7, so that the grouting holes of the fixed component 8 and the component G7 form a bottom structure 9 with the soil, thereby improving the stability of the retaining wall structure; Step 7: After the retaining wall is installed, fill the back of the wall. Fill the back of the wall in layers, with each layer no thicker than 300mm, and compact it mechanically or manually, with the compaction degree meeting the requirements.

[0028] The adjacent drainage holes of the component are installed straight and smoothly to ensure smooth drainage on one side of the soil.

[0029] The spiral drilled holes with grouting holes are implanted before the retaining wall structural components are installed, and the grouting holes and the flap-type grouting holes are not blocked.

[0030] The present invention solves the problem that when the size of the retaining wall masonry materials is irregular, the mortar of the mortar masonry retaining wall blocks is not full, or the mortar strength is insufficient, resulting in loose stones, which affects the safe use performance of the retaining wall structure. The prefabricated components can ensure the visual quality and size of the materials. When the retaining wall structure components are installed, they are fixed through the connecting grooves and connecting protrusions of the components. After the retaining wall structure components are installed, grouting is performed through the internal grouting holes, so that the slurry and the soil form a stable structure, thereby improving the safe use performance of the retaining wall structure.

[0031] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit of the technical solutions of the embodiments of the present invention.

Claims

1. A new type of prefabricated retaining wall structure, characterized in that: It includes a component A (1), a component B (2), a component C (3), a component D (4), a component E (5), a component F (6), a component G (7) and a fixed component (8); The cross section of the component A (1) is square, the upper end of the component A (1) is provided with a grouting hole (11), the lower end is provided with a connecting protrusion (14), the right end is provided with a connecting groove (12), and the connecting groove (12) is provided with a drainage hole (13); The cross section of the component B (2) is square, the upper end of the component B (2) is provided with a connecting groove (12) that matches the connecting protrusion, the connecting groove (12) is provided with a grouting hole (11), the lower end of the component B (2) is provided with a connecting protrusion (14), the right end is provided with a connecting groove (12), and the connecting groove (12) is provided with a drainage hole (13); The cross section of the component C (3) is square, the upper end of the component C (3) is provided with a connecting groove (12) matching with the connecting protrusion, the connecting groove (12) is provided with a drill rod mounting hole (15), the right end of the component C (3) is provided with a connecting groove (12), and the connecting groove (12) is provided with a drain hole (13); The cross section of the component D (4) is a right triangle, the left end of the component D (4) has a connecting protrusion (14) that matches the connecting groove, the lower end also has a connecting protrusion (14) that matches the connecting groove, and the inclined surface of the component D (4) has a drainage hole (13); The cross section of the component E (5) is square, the left end and the bottom end of the component E (5) are respectively provided with connection protrusions (14), the upper end and the right end of the component E (5) are provided with connection grooves (12), and the connection groove (12) at the right end is provided with a drainage hole (13); The cross section of the component F (6) is square, the left end of the component F (6) is provided with a connection protrusion (14), the upper end and the right end of the component F (6) are provided with connection grooves (12), and the connection groove (12) at the right end is provided with a drainage hole (13); The cross section of the component G (7) is a right triangle, the left end of the component G (7) is provided with a connection protrusion (14) that matches the connection groove, and the inclined surface is provided with a drill rod mounting hole (15); The lower end of the component A (1) cooperates with the component B (2), and the lower end of the component B (2) cooperates with the component C (3); the right end of the component A (1) cooperates with the component D (4); the bottom end of the component D (4) cooperates with the component E (5); the bottom end of the component E (5) cooperates with the component F (6), and the right end of the component F (6) cooperates with the component G (7); the components C (3) and G (7) are fixed with the fixing component (8) so that the slurry is combined with the soil to form a bottom structure (9).

2. A novel prefabricated retaining wall structure as claimed in claim 1, characterized in that: The fixing component (8) comprises a mounting end (16), a drilling screw (17), a grouting hole A (18), and a bottom flap-type grouting hole (19); the mounting end (16) is respectively mounted on the component C (3) and the component G (7) through the drill rod mounting hole (15).

3. A novel prefabricated retaining wall structure as claimed in claim 1, characterized in that: All the connection protrusions (14) cooperate with the corresponding connection grooves (12).

4. A novel prefabricated retaining wall structure as claimed in claim 1, characterized in that: The component B (2) is connected vertically in multiples; the component E (5) is connected horizontally in multiples; the component F (6) is connected horizontally in multiples; and the retaining wall slope is composed of multiple components D (4).

5. A novel prefabricated retaining wall structure as claimed in claim 1, characterized in that: The grouting holes (11) of the components C (3), B (2) and A (1) installed axially and vertically form the internal grouting holes (10) of the retaining wall; the mounting end of the fixed component (8) is mounted on the components and connected to the internal grouting holes (10) of the components.

6. A construction method for a novel prefabricated retaining wall structure according to any one of claims 1 to 5, comprising prefabricating retaining wall components A (1), B (2), C (3), D (4), E (5), F (6), and G (7) as required, and then performing the following steps: Step 1: After the excavation of the retaining wall foundation trench is completed, the foundation bearing capacity is tested. After the bearing capacity test meets the requirements, cement stabilized gravel is used for foundation cushion treatment. After compaction, the elevation of the completed surface is re-measured, and the position of the prefabricated retaining wall is positioned and laid out; Step 2: Transport the prefabricated retaining wall components to the construction site and stack them in the order and position of installation; Features: Step 3: implant a fixing member (8) with a spiral drill hole at the bottom of the retaining wall and install it with the member C (3) and the member G (7) respectively; Step 4: Component C (3) is connected and installed with component B (2) in the vertical direction, and the retaining wall structure is connected and installed with component A (1) and component B (2); Step 5: Component F (6) is connected and installed vertically by component E (5), and the slope surface of the retaining wall structure is installed using component D (4); Step 6: After the retaining wall structure is installed, grouting is performed through the internal grouting holes (10) and the drill rod installation holes (15) on the component G (7), so that the fixed component (8) and the component G (7) pass through the grouting holes so that the grout and the soil form a bottom structure (9), thereby improving the stability of the retaining wall structure; Step 7: After the retaining wall is installed, fill the back of the wall.

7. A construction method for a novel prefabricated retaining wall structure as claimed in claim 6, characterized in that: In the step seven, the filling is carried out in layers, with each layer not exceeding 300 mm in thickness, and compacted mechanically or manually, with the compaction degree meeting the requirements.

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