A novel foundation pit retaining wall anchor cable support structure

By using a new type of foundation pit baffle anchor cable support structure, the problem of internal support occupying internal space in the foundation pit is solved by combining support components and tension components, thus achieving more efficient foundation pit support and construction efficiency.

CN111980033BActive Publication Date: 2025-12-02CHINA RAILWAY ERYUAN CHENGDU SURVEY DESIGN & RES INST CO LTD
View PDF 2 Cites 0 Cited by

Patent Information

Application Number
CN202010949407.4
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-09-10
Publication Date
2025-12-02
Estimated Expiration
2040-09-10

AI Technical Summary

Technical Problem

In existing foundation pit designs, the internal support structure occupies the internal space of the foundation pit, affecting the construction efficiency and space utilization of construction workers.

Method used

A new type of foundation pit retaining wall anchor cable support structure is adopted, which uses a combination of support components and tension components, and applies tensile force to support the foundation pit sidewall through the connection of arch beams and anchor cables, reducing the number of piles, increasing the spacing, and simplifying construction operations.

Benefits of technology

It improved the support effect of the foundation pit sidewalls, reduced the occupation of the internal space of the foundation pit, improved construction efficiency and space utilization, and simplified construction operations.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN111980033B_ABST
    Figure CN111980033B_ABST
Patent Text Reader

Abstract

This application relates to a novel foundation pit baffle anchor cable support structure, comprising multiple sets of support members. Each set of support members includes multiple first cast-in-place piles and a support plate located on the multiple first cast-in-place piles. The multiple first cast-in-place piles of each set of support members are evenly and spaced along the length direction of the foundation pit sidewall. Each first cast-in-place pile has a first slot at its end outside the ground facing inward. The first slot is used for inserting the support plate and driving the support plate to abut against the foundation pit sidewall. Each set of support members also includes multiple tension members located around the foundation pit. Each tension member includes an arched beam located on the ground outside the foundation pit. The concave part of the arched beam is oriented away from the foundation pit. Multiple connectors are arranged between the arched beams to connect the arched beams and the first cast-in-place piles together. The tension members also include fixing members for applying tension to the arched beams in the direction away from the foundation pit. This application has the advantage of preventing the use of the foundation pit from being affected.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This application relates to the field of building construction, and in particular to a novel foundation pit retaining wall anchor cable support structure. Background Technology

[0002] Foundation pit support refers to the measures taken to support, reinforce, and protect the sidewalls and surrounding environment of the foundation pit in order to ensure the safety of underground structure construction and the surrounding environment.

[0003] The current conventional design for foundation pits is pile row + wire mesh and shotcrete protection. Current foundation pit specifications require that the distance between the center points of adjacent pile rows should not be greater than twice the pile diameter. In order to control the displacement of the pile top and achieve the economical design length of the pile row, internal support is usually used. However, the use of internal support inside the foundation pit occupies some of the space inside the foundation pit, thus affecting the construction work of the construction personnel. Summary of the Invention

[0004] To prevent the foundation pit support from affecting the construction inside the foundation pit, this application provides a novel foundation pit baffle anchor cable support structure.

[0005] This application provides a novel foundation pit baffle anchor cable support structure, which adopts the following technical solution:

[0006] A novel foundation pit retaining wall anchor cable support structure includes multiple sets of support members located around the foundation pit. Each set of support members includes multiple first cast-in-place piles and support plates located on the multiple first cast-in-place piles. The multiple first cast-in-place piles of each set of support members are evenly and spaced along the length direction of the foundation pit sidewall. Each first cast-in-place pile has a first slot at its end outside the ground facing inward. The first slot is used for inserting the support plate and driving the support plate to abut against the foundation pit sidewall. Each set of support members also includes multiple tension members located around the foundation pit. Each tension member includes an arched beam on the ground outside the foundation pit. The notch of the arched beam is oriented away from the foundation pit. Multiple connectors are arranged between the arched beams to connect the arched beams and the first cast-in-place piles together. The tension member also includes a fixing member for applying tension to the arched beam in the direction away from the foundation pit.

[0007] By adopting the above technical solution, the fixing component located inside the pit sidewall can apply tension to the arch beam in the direction away from the pit, thereby improving the support effect of the support plate on the pit sidewall and preventing any impact on the use inside the pit; the setting of the first slot facilitates the installation and fixing of the support plate; the arch beam's notch is oriented away from the pit, so that the arch beam can drive the support plate to have a better support effect; the fixing component and the tension component can apply tension to multiple first cast-in-place piles, thereby appropriately increasing the spacing between adjacent pile rows, reducing the number of pile rows used, thus facilitating construction and improving the construction efficiency of the construction personnel.

[0008] Optionally, each of the connectors includes a connecting block detachably connected to the arch beam, and each connecting block is detachably connected to a tension ring. Multiple tension rings are used to be fitted and slidably connected to each first cast-in-place pile. A space is left between the support plate and the end of the first cast-in-place pile located outside the ground, and the tension rings are positioned at the location of the space.

[0009] By adopting the above technical solution, the tension ring is fitted onto the first cast-in-place pile, thus fixing the tension ring to the arch beam. This allows the arch beam to drive the support plates on multiple first cast-in-place piles to further support the sidewalls of the foundation pit. The use of the tension ring improves the connection between the tension ring and the first cast-in-place pile. Both the arch beam and the tension ring are located on the ground outside the foundation pit, facilitating various construction operations by construction personnel.

[0010] Optionally, a first hook is provided on the surface of the connecting block facing away from the arch beam, and a second hook is provided on the surface of the tension ring facing the arch beam. The tension ring is detachably connected to the connecting block through the first hook and the second hook.

[0011] By adopting the above technical solution, the use of the first hook and the second hook facilitates the installation and fixing of the tension ring, thereby improving the construction efficiency of the construction personnel.

[0012] Optionally, guide rods are provided on the tension ring and on both sides of the second hook, guide grooves are provided on both sides of the connecting block, the end of the guide groove away from the arch beam passes through the connecting block, and guide blocks are provided on the guide rods for sliding connection within the guide grooves.

[0013] By adopting the above technical solution, the guide groove and guide block can guide the movement of the tension ring, thereby preventing the tension ring from tilting due to the interaction between the first hook and the second hook. This further indirectly improves the effect of the tension ring applying tension to the first cast-in-place pile, thereby further improving the support effect of multiple first cast-in-place piles driving the support plate on the side wall of the foundation pit.

[0014] Optionally, an installation groove is provided on the arched beam at the location of each connecting block, and an installation block is provided on the connecting block to be inserted into the installation groove. The connecting block is detachably connected to the arched beam through the installation groove and the installation block.

[0015] By adopting the above technical solution, the installation groove and installation block are designed to facilitate the installation and fixing of the connecting block, thereby further facilitating the installation and fixing of the tensioned component by the operator, improving construction efficiency, and meeting the requirements of actual installation applications.

[0016] Optionally, the fixing components include multiple sets of support components located inside the sidewall of the foundation pit and at the four corners of the foundation pit. Each set of support components includes two second cast-in-place piles spaced apart from each other. Tension plates are provided on the two second cast-in-place piles of each set of support components. Anchor cables are provided between the tension plates of adjacent support components. Grooves for the anchor cables to pass through are provided on the multiple connecting blocks of the arch beam.

[0017] By adopting the above technical solution, the anchor cable can pass through the groove on multiple connecting blocks. The anchor cable in a tensioned state can apply a tensile force to the arch beam in the direction away from the foundation pit, thereby causing the arch beam to drive the support plates on multiple first cast-in-place piles to press against the side wall of the foundation pit, thus further improving the support effect on the side wall of the foundation pit. The setting of the groove can play a positioning role for the anchor cable, thereby preventing the anchor cable from tilting and further improving the pulling effect of the anchor cable on the arch beam. The structure of the anchor cable and arch beam is simple.

[0018] Optionally, a second slot is provided at the end of the second cast-in-place pile located outside the sidewall of the foundation pit, facing into the second cast-in-place pile, and the second slot is used for inserting a tension plate.

[0019] By adopting the above technical solution, the second slot facilitates the installation and fixing of the tension plate, thereby improving the construction efficiency of the construction personnel when erecting the anchor cable, and making it easier to tension the anchor cable to a taut state, so that the anchor cable can exert a tensile force on the support plate.

[0020] Optionally, the end of the anchor cable is fitted with and slidably connected to a sleeve. The sleeve has barbs on both sides for abutting against the surface of the tension plate away from the pit. Multiple elastic rods are provided along the circumferential position of both ends of the sleeve. Each elastic rod has an abutment block on its surface facing the anchor cable. A threaded cylinder is fitted on and threadedly connected to the sleeve for driving the abutment block on the elastic rod to abut against the anchor cable. The support plate has a through hole for the threaded cylinder to drive the elastic rod through.

[0021] By adopting the above technical solution, when it is necessary to adjust the tension of the anchor cable, the anchor cable is pulled on the support plate to be tensioned. At this time, the sleeve is moved on the anchor cable, so that the sleeve drives the barb to abut against the support plate. The threaded cylinder is screwed on the sleeve, so that the threaded cylinder moves to the position of the elastic rod. The threaded cylinder can drive the abutment block on the elastic rod to abut against the anchor cable, so that the barb is fixed to the support plate. This makes it easy for the operator to fix the anchor cable to the tensioned state, and the fixing method is convenient and simple.

[0022] Optionally, a third cast-in-place pile is provided inside the sidewall of the foundation pit and at both ends of each arched beam. The third cast-in-place pile extends through and out of the sidewall of the foundation pit. An upper support frame and a lower support frame are provided opposite to each other on the third cast-in-place pile. An adjusting block is provided between the upper support frame and the lower support frame. A positioning groove is opened on the surface of the adjusting block away from the third cast-in-place pile. A positioning block for moving into the positioning groove is provided on the arched beam.

[0023] By adopting the above technical solution, the positioning groove and positioning block can position and fix the arch beam, thereby preventing the arch beam from tilting and placing all the force of the arch beam on the third cast-in-place pile, which further improves the strength of the arch beam and thus indirectly improves the support strength of the arch beam and the support plate on the side wall of the foundation pit.

[0024] Optionally, a spring is provided between the adjusting block and the third grouting pile. One end of the spring is fixedly connected to the adjusting block, and the other end is fixedly connected to the third grouting pile. Slide grooves are provided on the opposing surfaces of the upper support frame and the lower support frame. A slider is provided on the adjusting block for sliding connection within the slide groove.

[0025] By adopting the above technical solution, when the third spring is in a compressed state, the adjusting block can resist the spring force and abut against the anchor cable, thereby further tightening the anchor cable against the spring force, thus further improving the effect of applying tension to the arch beam, and thus further improving the support effect of the support plate on the side wall of the foundation pit.

[0026] In summary, this application includes at least one of the following beneficial technical effects:

[0027] The fasteners located inside the pit sidewall can apply tension to the arch beam in the direction away from the pit, thereby improving the support effect of the support plate on the pit sidewall and preventing it from affecting the use inside the pit; the first slot facilitates the installation and fixing of the support plate; the arch beam's notch is oriented away from the pit, so that the arch beam can drive the support plate to have a better support effect.

[0028] When the third spring is compressed, the adjusting block resists the spring force and abuts against the anchor cable, thereby further tensioning the anchor cable against the spring force, which further improves the effect of applying tension to the arch beam, and thus further improves the support effect of the support plate on the side wall of the foundation pit. Attached Figure Description

[0029] Figure 1 This is a schematic diagram of the overall structure of the novel foundation pit baffle anchor cable support structure according to an embodiment of this application;

[0030] Figure 2 This is a structural schematic diagram illustrating the support member according to an embodiment of this application;

[0031] Figure 3 This is a partial structural schematic diagram illustrating the connector according to an embodiment of this application;

[0032] Figure 4 This is a partial structural schematic diagram of the anchor cable and tension plate according to an embodiment of this application;

[0033] Figure 5 This is a structural schematic diagram illustrating the sleeve and threaded sleeve according to an embodiment of this application;

[0034] Figure 6 This is an exploded structural diagram of the arched beam, adjusting block, and spring according to an embodiment of this application.

[0035] Explanation of reference numerals in the attached drawings: 1. First cast-in-place pile; 11. Support plate; 111. First slot; 12. Arch beam; 121. Connecting block; 122. Tension ring; 123. First hook; 124. Second hook; 125. Guide rod; 126. Guide groove; 127. Guide block; 128. Installation groove; 129. Installation block; 13. Second cast-in-place pile; 131. Tension plate; 132. Anchor cable; 133. Groove; 135. Sleeve; 136. Barb; 137. 138. Elastic rod; 139. Abutment block; 130. Threaded cylinder; 1391. Through hole; 14. Third cast-in-place pile; 141. Upper support frame; 142. Lower support frame; 143. Adjusting block; 144. Positioning groove; 145. Positioning block; 146. Spring; 147. Slide groove; 148. Sliding block; 151. First upper support block; 152. Second upper support block; 153. Third upper support block; 154. Lower support block; 16. Fourth cast-in-place pile; 161. Splicing groove. Detailed Implementation

[0036] The following is in conjunction with the appendix Figure 1-6 This application will be described in further detail.

[0037] This application discloses a novel foundation pit retaining wall anchor cable support structure. Combined with... Figure 1 and Figure 2A novel foundation pit baffle anchor cable support structure includes multiple sets of support members located around the foundation pit. Each set of support members includes multiple first grouting piles 1 and a support plate 11 located on the multiple first grouting piles 1. In this embodiment, the end of the first grouting pile 1 is set higher than the side wall of the foundation pit. The multiple first grouting piles 1 of each set of support members are evenly and spaced along the length direction of the side wall of the foundation pit. Each first grouting pile 1 has a first slot 111 opened at the end outside the ground facing the first grouting pile 1. The end of the first slot 111 buried in the foundation pit is closed. The first slot 111 is used for inserting the support plate 11 and driving the support plate 11 to abut against the side wall of the foundation pit.

[0038] Combination Figure 1 and Figure 2 In order to apply tension to the support plate 11 toward the side wall of the pit, thereby further improving the support effect of the support plate 11 on the side wall of the pit, each set of support members also includes multiple tension members located around the pit. Each tension member includes an arched beam 12 located on the ground outside the pit, with the notch of the arched beam 12 facing away from the pit.

[0039] Combination Figure 1 and Figure 2 In order to fix the arch beam 12 and the first cast-in-place pile 1 together, so that the arch beam 12 applies tension to the support plates 11 on the multiple first cast-in-place piles 1, multiple connectors for connecting the arch beam 12 and the first cast-in-place piles 1 are provided on the arch beam 12; each connector includes a connecting block 121 detachably connected to the arch beam 12, and a tension ring 122 is detachably connected to each connecting block 121. Multiple tension rings 122 are used to be sleeved and slidably connected to each first cast-in-place pile 1. A space is left between the support plate 11 and the end of the first cast-in-place pile 1 located outside the ground, and the tension rings 122 are located in the space.

[0040] Combination Figure 2 and Figure 3A first hook 123 is provided on the surface of the connecting block 121 facing away from the arch beam 12, and a second hook 124 is provided on the surface of the tension ring 122 facing the arch beam 12. The tension ring 122 is detachably connected to the connecting block 121 through the first hook 123 and the second hook 124. The first hook 123 and the second hook 124 facilitate the installation and fixation between the tension ring 122 and the connecting block 121. An installation groove 128 is provided on the arch beam 12 at the location of each connecting block 121. An installation block 129 is provided on the connecting block 121 and inserted into the installation groove 128. The connecting block 121 is detachably connected to the arch beam 12 through the installation groove 128 and the installation block 129. The installation block 129 and the installation groove 128 facilitate the installation and fixation of the connecting block 121. In order to prevent the installation block 129 from driving the connecting block 121 to rotate, the cross-section of the installation groove 128 is set as rectangular, and the installation block 129 is matched with the rectangular installation groove 128.

[0041] Combination Figure 2 and Figure 3 To prevent the first hook 123 from causing the tension ring 122 to rotate on the first cast-in-place pile 1, guide rods 125 are provided on the tension ring 122 and on both sides of the second hook 124. Guide grooves 126 are provided on both sides of the connecting block 121. The end of the guide groove 126 away from the arch beam 12 passes through the connecting block 121. Guide blocks 127 are provided on the guide rods 125 for sliding connection within the guide grooves 126. To facilitate the processing and manufacturing of the guide grooves 126 and guide blocks 127, the cross-section of the guide groove 126 is set as "U"-shaped, and the guide blocks 127 are fitted with the "U"-shaped guide groove 126.

[0042] Combination Figure 1 and Figure 2 In order to fix the arch beam 12 to the ground outside the sidewall of the pit, the tension member also includes a fastener for applying tension to the arch beam 12 in a direction away from the pit.

[0043] Combination Figure 2 and Figure 4 The fasteners include multiple sets of support members located inside the sidewall of the foundation pit and at the four corners of the pit. Each set of support members includes two second cast-in-place piles 13 spaced apart from each other. Tension plates 131 are provided on the two second cast-in-place piles 13 of each set of support members. A second slot 134 is formed at the end of the second cast-in-place pile 13 outside the sidewall of the foundation pit, facing inwards. The second slot 134 is used for inserting the tension plates 131 to install and fix them. Anchor cables 132 are provided between the tension plates 131 of adjacent support members. Grooves 133 for the anchor cables 132 to pass through are formed on multiple connecting blocks 121 of the arch beam 12 (see [reference]). Figure 3The anchor cable 132 can pass through the grooves 133 on multiple connecting blocks 121, so that the anchor cable 132 in the tensioned state applies tension to the arch beam 12, and the multiple first cast-in-place piles 1 drive the support plate 11 to improve the support effect on the side wall of the foundation pit. In this embodiment, only one anchor cable 132 is used for illustration. In other embodiments, multiple anchor cables 132 can be used to further improve the effect of applying tension to the support plate 11. When multiple anchor cables 132 are used, multiple grooves 133 are opened on the connecting block 121.

[0044] Combination Figure 4 and Figure 5 To facilitate the adjustment of the tension of the anchor cable 132 by construction personnel, a sleeve 135 is sleeved and slidably connected to the end of the anchor cable 132. The sleeve 135 has barbs 136 on both sides for abutting against the surface of the tension plate 131 away from the foundation pit. Multiple elastic rods 137 are provided along the circumference of the sleeve 135 at both ends. Each elastic rod 137 has an abutment block 138 on the surface facing the anchor cable 132. A threaded cylinder 139 is sleeved and threadedly connected to the sleeve 135 to drive the abutment block 138 on the elastic rod 137 to abut against the anchor cable 132. The support plate 11 has a through hole 1391 for the threaded cylinder 139 to drive the elastic rod 137 through.

[0045] When it is necessary to adjust the tension of the anchor cable 132, the anchor cable 132 is pulled on the support plate 11 to be tensioned. At this time, the sleeve 135 is moved on the anchor cable 132, so that the sleeve 135 drives the barb 136 to abut against the support plate 11. The threaded cylinder 139 is screwed on the sleeve 135, so that the threaded cylinder 139 moves to the position of the elastic rod 137. The threaded cylinder 139 can drive the abutment block 138 on the elastic rod 137 to abut against the anchor cable 132, so that the barb 136 is fixed to the support plate 11. This makes it easy for the operator to fix the anchor cable 132 to the tensioned state, and the fixing method is convenient and simple.

[0046] Combination Figure 2 and Figure 5To further secure the arched beam 12 and prevent it from tilting, thereby enabling the arched beam 12 to drive the support plate 11 for further support, a third cast-in-place pile 14 is installed inside the sidewall of the foundation pit at both ends of each arched beam 12. The third cast-in-place pile 14 extends through and beyond the sidewall of the foundation pit. An upper support frame 141 and a lower support frame 142 are installed opposite each other on the third cast-in-place pile 14. An adjusting block 143 is installed between the upper support frame 141 and the lower support frame 142. A positioning groove 144 is opened on the surface of the adjusting block 143 facing away from the third cast-in-place pile 14. A positioning block 145 is installed on the arched beam 12 for moving into the positioning groove 144. To facilitate the engagement of the positioning block 145 into the positioning groove 144, the cross-section of the positioning groove 144 is set as "U"-shaped, and the positioning block 145 is matched with the "U"-shaped positioning groove 144.

[0047] like Figure 5 As shown, in this embodiment, in order to improve the fixing effect between the upper support frame 141 and the third grouting pile 14, the upper support frame 141 includes an integrally formed first upper support block 151, a second upper support block 152, and a third upper support block 153. The cross-section of the first upper support block 151 is triangular, and the surface of the triangular first upper support block 151 facing the third grouting pile 14 is arc-shaped and in contact with the third grouting pile 14. The second upper support block 152 is fixedly mounted on the top wall of the pit outside the third grouting pile 14. The third upper support block 153 is positioned opposite to the first upper support block 151 on the third grouting pile 14, and the surface of the third upper support block 153 facing the third grouting pile 14 is arc-shaped and in contact with the third grouting pile 14. The lower support frame 142 includes a lower support block 154 with a triangular cross-section, and positioning grooves 144 are located on the opposite surfaces of the first upper support block 151 and the lower support block 154.

[0048] Combination Figure 2 and Figure 5 To further improve the tension of the anchor cable 132, thereby enabling the anchor cable 132 to drive the support plate 11 to further support the side wall of the foundation pit, a spring 146 is provided between the adjusting block 143 and the third cast-in-place pile 14. One end of the spring 146 is fixedly connected to the adjusting block 143, and the other end is fixedly connected to the third cast-in-place pile 14. Slide grooves 147 are provided on the opposing surfaces of the upper support frame 141 and the lower support frame 142. A slider 148 is provided on the adjusting block 143 for sliding connection within the slide groove 147. The cross-section of the slide groove 147 is set in a "U" shape, and the slider 148 is configured to cooperate with the "U" shaped slide groove 147. When the third spring 146 is in a compressed state, the arch beam 12 can resist the elastic force of the spring 146 and abut against the anchor cable 132, thereby further tensioning the anchor cable 132 and further improving the support effect of the anchor cable 132 driving the support plate 11 on the side wall of the foundation pit.

[0049] Combination Figure 1 and Figure 2 In this embodiment, in order to improve the contact effect between adjacent support plates 11 and thus further improve the support effect on the side wall of the foundation pit, a fourth cast-in-place pile 16 is provided in the foundation pit and at the four corners of the foundation pit. The fourth cast-in-place pile 16 is provided with a splicing groove 161 for the adjacent support plates 11 to be inserted. The cross-section of the splicing groove 161 is "L" shaped.

[0050] The implementation principle of a novel foundation pit baffle anchor cable support structure in this application embodiment is as follows: the arch beam 12 resists the elastic force of the spring 146 and abuts against the anchor cable 132. The anchor cable 132 is adjusted by the sleeve 135 and the threaded cylinder 139 so that the anchor cable 132 can apply a tension force away from the foundation pit to the arch beam 12. At this time, the arch beam 12 pulls on multiple first cast-in-place piles 1 through the first hook 123 and the second hook 124, thereby causing the support plate 11 on the multiple first cast-in-place piles 1 to further abut against the side wall of the foundation pit, improving the support effect of the side wall of the foundation pit, and preventing the impact on the use inside the foundation pit. At the same time, while ensuring the support effect of multiple first cast-in-place piles 1, the spacing between adjacent first cast-in-place piles 1 is increased, thereby reducing the number of first cast-in-place piles 1 and improving the construction efficiency of construction personnel.

[0051] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A novel foundation pit retaining wall anchor cable support structure, characterized in that: The system includes multiple sets of support components located around the foundation pit. Each set of support components includes multiple first grouting piles (1) and support plates (11) located on the multiple first grouting piles (1). The multiple first grouting piles (1) of each set of support components are evenly and spaced along the length of the foundation pit sidewall. Each first grouting pile (1) has a first slot (111) inside. The first slot (111) is used for inserting the support plate (11) and driving the support plate (11) to abut against the foundation pit sidewall. Each set of support components also includes multiple tension members located around the foundation pit. Each tension member includes an arch beam (12) located on the ground outside the foundation pit. The notch of the arch beam (12) is set in the direction away from the foundation pit. The arch beam (12) is provided with multiple connectors for connecting the arch beam (12) and the first grouting piles (1) together. The tension member also includes a fixing member for applying tension to the arch beam (12) in the direction away from the foundation pit. The fixing components include multiple sets of support components located inside the sidewall of the foundation pit and at the four corners of the foundation pit. Each set of support components includes two second cast-in-place piles (13) spaced apart from each other. Tension plates (131) are provided on the two second cast-in-place piles (13) of each set of support components. Anchor cables (132) are provided between the tension plates (131) of adjacent support components. The multiple connecting blocks (121) of the arch beam (12) are provided with grooves (133) for the anchor cables (132) to pass through. The end of the anchor cable (132) is fitted with and slidably connected to a sleeve (135). The sleeve (135) has barbs (136) on both sides for abutting against the surface of the tension plate (131) away from the pit. Multiple elastic rods (137) are provided at both ends of the sleeve (135) along the circumferential position of the sleeve (135). Each elastic rod (137) has an abutment block (138) on the surface facing the anchor cable (132). A threaded cylinder (139) is fitted on and threadedly connected to the sleeve (135) for driving the abutment block (138) on the elastic rod (137) to abut against the anchor cable (132). The support plate (11) has a through hole (1391) for the elastic rod (137) to pass through. A third cast-in-place pile (14) is provided inside the sidewall of the foundation pit and at both ends of each arched beam (12). The third cast-in-place pile (14) extends through and out of the sidewall of the foundation pit. An upper support frame (141) and a lower support frame (142) are provided opposite to each other on the third cast-in-place pile (14). An adjusting block (143) is provided between the upper support frame (141) and the lower support frame (142). A positioning groove (144) is provided on the surface of the adjusting block (143) facing away from the third cast-in-place pile (14). A positioning block (145) for moving into the positioning groove (144) is provided on the arched beam (12).

2. The novel foundation pit baffle anchor cable support structure according to claim 1, characterized in that: Each of the connectors includes a connector block (121) detachably connected to the arch beam (12), and each connector block (121) is detachably connected to a tension ring (122), the tension ring (122) being fitted and slidably connected to the first cast-in-place pile (1), with a space between the support plate (11) and the end of the first cast-in-place pile (1) located outside the ground.

3. The novel foundation pit baffle anchor cable support structure according to claim 2, characterized in that: The connecting block (121) has a first hook (123) on the side facing away from the arch beam (12), and the tension ring (122) has a second hook (124) on the side facing the arch beam (12). The tension ring (122) is detachably connected to the connecting block (121) through the first hook (123) and the second hook (124).

4. The novel foundation pit baffle anchor cable support structure according to claim 3, characterized in that: Guide rods (125) are provided on the tension ring (122) and on both sides of the second hook (124). Guide grooves (126) are provided on both sides of the connecting block (121). The end of the guide groove (126) away from the arch beam (12) passes through the connecting block (121). Guide blocks (127) for sliding connection in the guide groove (126) are provided on the guide rods (125).

5. A novel foundation pit retaining wall anchor cable support structure according to claim 2, characterized in that: The arched beam (12) is provided with an installation groove (128), and the connecting block (121) is provided with an installation block (129) that is inserted into the installation groove (128). The connecting block (121) is detachably connected to the arched beam (12) through the installation groove (128) and the installation block (129).

6. The novel foundation pit baffle anchor cable support structure according to claim 1, characterized in that: The second grouting pile (13) has a second slot (134) for inserting a tension plate (131).

7. The novel foundation pit retaining wall anchor cable support structure according to claim 1, characterized in that: A spring (146) is provided between the adjusting block (143) and the third grouting pile (14). One end of the spring (146) is fixedly connected to the adjusting block (143), and the other end is fixedly connected to the third grouting pile (14). Slide grooves (147) are provided on the opposite surfaces of the upper support frame (141) and the lower support frame (142). A slider (148) is provided on the adjusting block (143) for sliding connection in the slide groove (147).

Citation Information

Patent Citations

  • Novel foundation pit baffle anchor cable supporting structure

    CN212427123U

  • Wall shoring structure

    KR1020150060079A