Multi-inclined-beam H-shaped double-row anti-slide pile and construction method
Through the step-by-step construction method, the positioning and formwork support problems in the construction of multi-inclined beam H-shaped double-row anti-slip piles were solved, the synchronous construction of inclined beams and anti-slip piles was achieved, and the project efficiency and quality were improved.
Patent Information
- Application Number
- CN202310331969.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-03-30
- Publication Date
- 2025-10-10
- Estimated Expiration
- 2043-03-30
AI Technical Summary
During the construction of multi-inclined H-shaped double-row anti-slip piles, the construction positioning and formwork support projects are difficult, with numerous procedures and low efficiency.
A step-by-step construction method is adopted to first complete the underground drilling and steel bar binding of the front and rear rows of anti-slip piles, then gradually connect the piles and cast the inclined beams, set up the formwork through the steel pipe scaffolding and pour concrete in batches to form multi-inclined beam H-shaped double-row anti-slip piles.
The synchronous construction of inclined beams and anti-slip piles was achieved, which reduced construction interference, improved project efficiency and construction quality, and reduced construction difficulty.
Smart Images

Figure CN116290024B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of engineering construction, and in particular to a multi-slant-beam H-shaped double-row anti-slip pile and a construction method. Background Art
[0002] As a new type of retaining structure, H-type double-row anti-slip piles are arranged in the front and rear rows of anti-slip piles at appropriate positions on the slope. The piles are connected by horizontal (oblique) beams to form a spatial rigid frame structure. Compared with conventional anti-slip piles, it has the advantages of large spatial rigidity and strong anti-slip ability. Therefore, it has been widely used in projects such as side (slip) slope control and high embankment.
[0003] However, during the construction of multi-inclined H-shaped double-row anti-slip piles, due to the large inclination angle of the connecting inclined beams and the relatively dense space, the construction of multiple inclined beams in the confined space with dense pile positions brings difficulties to the construction positioning and formwork support engineering, and has the disadvantages of numerous processes and low work efficiency. Summary of the Invention
[0004] In response to the deficiencies in the prior art, the present invention provides a multi-inclined beam H-shaped double-row anti-slip pile and a construction method, which solves the technical problem that the existing tunnel gas concentration detection device cannot accurately detect the amount of gas seeping from tunnel cracks.
[0005] The objective of the present invention is achieved through the following technical solutions: a multi-oblique beam H-shaped double-row anti-slip pile and a construction method, comprising a front row anti-slip pile, a rear row anti-slip pile, a first oblique beam, a second oblique beam and a third oblique beam, the first oblique beam, the second oblique beam and the third oblique beam are distributed in sequence from bottom to top, the first oblique beam is arranged in parallel with the third oblique beam, the second oblique beam is connected to the top end of the first oblique beam and the bottom end of the third oblique beam, the two ends of the first oblique beam are respectively connected to the front row anti-slip piles and the rear row anti-slip piles, the two ends of the second oblique beam are respectively connected to the two ends of the front row anti-slip piles and the rear row anti-slip piles, the two ends of the third anti-slip pile are respectively connected to the two ends of the front row anti-slip piles and the rear row anti-slip piles, the front row anti-slip piles and the rear row anti-slip piles are divided into an underground part and an above-ground part, the first oblique beam, the second oblique beam and the third oblique beam are all located above-ground, and the front row anti-slip piles are arranged in parallel with the rear row anti-slip piles.
[0006] A construction method for multi-inclined H-shaped double-row anti-slip piles comprises the following steps: first, leveling the site and pouring a cushion layer, using mechanical drilling and tying steel bars to complete the underground parts of the front row anti-slip piles and the rear row anti-slip piles; second, pouring the piles to the top of the first inclined beam, erecting a frame, laying a formwork, and pouring the first inclined beam; third, pouring the piles to the second inclined beam, chiseling stepped steps on the surface of the first inclined beam, erecting a frame, laying a formwork, and pouring the second inclined beam, and connecting them into a whole with horizontal rods; fourth, pouring the piles to the top of the third inclined beam, and repeating the third step to complete the construction of the entire multi-inclined H-shaped double-row anti-slip piles, and finally pouring the baffle and crown beam.
[0007] Furthermore, in the step one, the outer edges of the front row of anti-slip piles, the rear row of anti-slip piles, the 1.5m range around the retaining wall, and the site of the front row of anti-slip piles and the rear row of anti-slip piles are manually leveled and compacted using a hand-held vertical impact machine; a cushion layer with a width of 1.2m and a thickness of 15cm is poured with C20 concrete as the foundation of the connecting piles and inclined beam scaffolding.
[0008] Furthermore, in the step 2, the first oblique beam formwork support is constructed using a Φ4mm×3.6mm steel pipe, and the coupler-type steel pipe scaffolding is composed of large and small cross bars, vertical bars, oblique bars, scissors braces, etc., and is connected into a whole with fasteners. The vertical bar spacing along the span direction of the first oblique beam is 60cm, the total horizontal spacing of the vertical bars on both sides of the bottom of the first oblique beam (excluding the width of the operating frame) is 2.5m, the total number of vertical bars is 7, and they are evenly arranged at a horizontal spacing of 32cm along the first oblique beam. The small beams at the bottom of the first oblique beam are supported parallel to the span direction of the beam body, with a total number of 12, and the bottom of the oblique beam is 12. The supporting beams are square timber with a cross-section of 45mm×90mm, with a spacing of 20cm, and the horizontal rod pitch of the frame is 1.2m. The front row of anti-slip piles and the rear row of anti-slip piles are a group. The longitudinal and transverse spacing of the vertical rods of each group of pile support frames are 90cm, the horizontal rod pitch is 1.5m, and Φ48mm×3.6mm steel pipes are used to build a full-frame to connect the frames between each group of piles. Vertical scissors braces are set around the front row of anti-slip piles and the rear row of anti-slip piles along the full height of the bracket. Horizontal scissors braces should be set on the top of the frame. The sweeping rods around the frame should not be more than 20cm from the ground, and diagonal braces are continuously set around the frame.
[0009] Furthermore, the frame is erected horizontally for a length of not less than 20m, and the formwork is closed, reinforcement is tied, and concrete is poured.
[0010] Furthermore, the template is made of plywood with a thickness of 18 mm.
[0011] Furthermore, in the step three, the second oblique beam formwork support is constructed with Φ4mm×3.6mm steel pipes, and the coupler-type steel pipe scaffolding is composed of large and small cross bars, vertical bars, oblique bars, scissors braces, etc., and is connected into a whole with fasteners. The vertical bar spacing of the second oblique beam along the span direction is 60cm, and the total horizontal spacing of the vertical bars on both sides of the bottom of the second oblique beam (excluding the width of the operating frame) is 2.2m. The total number of vertical bars is 6, and they are evenly arranged at a horizontal spacing of 33cm along the second oblique beam. The small beams at the bottom of the second oblique beam are supported parallel to the span direction of the beam body, with a total number of 10. The small beams supporting the bottom of the oblique beam are square wood with a cross-section of 45mm×90mm, with a spacing of 20cm, and the frame water level is 2.2m. The horizontal bar pitch is 1.2m, the front row anti-slip piles and the rear row anti-slip piles are a group, the longitudinal and transverse spacing of the vertical poles of each group of pile formwork support frames are 90cm, the horizontal bar pitch is 1.5m and Φ48mm×3.6mm steel pipes are used to build a full-frame to connect the frames between each group of piles, the vertical scissors braces around the front row anti-slip piles and the rear row anti-slip piles are set along the full height of the bracket, a horizontal scissors brace should be set on the top of the frame, the sweeping rods around the frame are not more than 20cm from the ground, and diagonal braces are continuously set around the frame, most of the vertical poles of the second oblique beam are set on the beam surface of the first oblique beam, and stepped wooden pads are set on the oblique beam surface, and the horizontal size of the pads is determined according to the vertical pole spacing.
[0012] Furthermore, in the step 4, the third oblique beam formwork support is constructed with Φ4mm×3.6mm steel pipes. The coupler-type steel pipe scaffolding is composed of large and small cross bars, vertical bars, oblique bars, scissors braces, etc., and is connected into a whole with fasteners. The vertical bar spacing of the third oblique beam along the span direction is 60cm, and the total horizontal spacing of the vertical bars on both sides of the bottom of the third oblique beam (excluding the width of the operating frame) is 1.8m. The total number of vertical bars is 5, and they are evenly arranged at a horizontal spacing of 30cm along the third oblique beam. The small beams at the bottom of the second oblique beam are supported parallel to the span direction of the beam body, with a total number of 10. The small beams supporting the bottom of the oblique beam are square wood with a cross-section of 45mm×90mm, with a spacing of 20cm, and the frame water level is 10. The horizontal bar pitch is 1.2m, the front row anti-slip piles and the rear row anti-slip piles are a group, the longitudinal and transverse spacing of the vertical poles of each group of pile formwork support frames are 90cm, the horizontal bar pitch is 1.5m and Φ48mm×3.6mm steel pipes are used to build a full-frame to connect the frames between each group of piles, the vertical scissors braces around the front row anti-slip piles and the rear row anti-slip piles are set along the full height of the bracket, a horizontal scissors brace should be set on the top of the frame, the sweeping rods around the frame are not more than 20cm from the ground, and diagonal braces are continuously set around the frame, most of the vertical poles of the second oblique beam are set on the beam surface of the first oblique beam, and stepped wooden pads are set on the oblique beam surface, and the horizontal size of the pads is determined according to the vertical pole spacing.
[0013] The reinforced H-shaped anti-slip pile and its construction method according to the present invention have the following beneficial effects:
[0014] 1. The anti-slip pile connection and the inclined beam are constructed synchronously and in stages to avoid cross interference in the vertical dense space and reduce the height of the scaffolding erection and dismantling, thereby improving the project efficiency and safety and reliability;
[0015] 2. The connection piles and inclined beams are implemented step by step from the ground upwards, and are completed in three pourings. The middle and upper inclined beams are used as the supporting foundation for frame construction after the lower inclined beams are completed and reach sufficient strength. After the connection piles and inclined beams are poured, the baffles and crown beams are poured from the ground upwards, which reduces the construction difficulty and improves the construction quality. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a schematic structural diagram of the multi-slant beam H-shaped double-row anti-slip piles provided by the present invention.
[0017] In the above drawings: 1. front row anti-slip piles; 2. rear row anti-slip piles; 3. first oblique beam; 4. second oblique beam; 5. third oblique beam. DETAILED DESCRIPTION
[0018] The technical solution of the present invention is further described below with reference to the accompanying drawings and embodiments.
[0019] like Figure 1 As shown, the present invention proposes a multi-oblique beam H-shaped double-row anti-slip pile and a construction method, including a front row anti-slip pile 1, a rear row anti-slip pile 2, a first oblique beam 3, a second oblique beam 4 and a third oblique beam 5, wherein the first oblique beam 3, the second oblique beam 4 and the third oblique beam 5 are sequentially distributed from bottom to top, the first oblique beam 3 and the third oblique beam 5 are arranged in parallel, the second oblique beam 4 is connected to the top end of the first oblique beam 3 and the bottom end of the third oblique beam 5, and the two ends of the first oblique beam 3 are respectively connected to the front row anti-slip pile 1 and the rear row of anti-slip piles 2, the two ends of the second oblique beam 4 are respectively connected to the two ends of the front row anti-slip piles 1 and the rear row anti-slip piles 2, the two ends of the third anti-slip piles are respectively connected to the two ends of the front row anti-slip piles 1 and the rear row anti-slip piles 2, the front row anti-slip piles 1 and the rear row anti-slip piles 2 are divided into an underground part and an above-ground part, the first oblique beam 3, the second oblique beam 4 and the third oblique beam 5 are all located on the above-ground part, and the front row anti-slip piles 1 are arranged parallel to the rear row anti-slip piles 2.
[0020] A construction method for multi-inclined H-type double-row anti-slip piles, comprising the following steps: first, leveling the site and pouring a cushion layer, using mechanical drilling and tying steel bars to complete the underground parts of the front row anti-slip piles 1 and the rear row anti-slip piles 2; second, pouring the piles to the top of the first inclined beam 3, erecting a frame, laying a formwork, and pouring the first inclined beam 3; third, pouring the piles to the second inclined beam 4, chiseling stepped steps on the surface of the first inclined beam 3, erecting a frame, laying a formwork, and pouring the second inclined beam 4, and connecting them into a whole with horizontal rods; fourth, pouring the piles to the top of the third inclined beam 5, and repeating the third step to complete the construction of the entire multi-inclined H-type double-row anti-slip piles, and finally pouring the baffle and crown beam.
[0021] Furthermore, to better implement the present invention, in step 1, the outer edges of the front and rear rows of anti-slip piles 1 and 2, as well as the 1.5-meter area around the retaining wall and the area surrounding the front and rear rows of anti-slip piles 1 and 2, were manually leveled and compacted using a handheld vertical impact machine. A 1.2-meter-wide, 15-cm-thick cushion layer of C20 concrete was poured to serve as the foundation for the connecting piles and inclined beam scaffolding.
[0022] Furthermore, in order to better implement the present invention, Figure 1 As shown, in the step 2, the formwork support of the first oblique beam 3 is constructed by using a Φ4mm×3.6mm steel pipe. The coupler-type steel pipe scaffolding is composed of large and small cross bars, vertical bars, oblique bars, scissors braces, etc., and is connected into a whole with fasteners. The vertical bar spacing of the first oblique beam 3 along the span direction is 60cm, the total horizontal spacing of the vertical bars on both sides of the bottom of the first oblique beam 3 (excluding the width of the operating frame) is 2.5m, the total number of vertical bars is 7, and they are evenly arranged at a horizontal spacing of 32cm along the first oblique beam 3. The small beams at the bottom of the first oblique beam 3 are supported parallel to the span direction of the beam body, with a total number of 12, and the bottom of the oblique beam is supported The supporting beam is a square timber with a cross-section of 45mm×90mm, with a spacing of 20cm, and the horizontal rod pitch of the frame is 1.2m. The front row anti-slip piles 1 and the rear row anti-slip piles 2 are a group. The vertical and horizontal spacing of the vertical rods of each group of pile support frames are 90cm, the horizontal rod pitch is 1.5m, and Φ48mm×3.6mm steel pipes are used to build a full-frame to connect the frames between each group of piles. Vertical scissors struts are set around the front row anti-slip piles 1 and the rear row anti-slip piles 2 along the full height of the bracket. Horizontal scissors struts should be set on the top of the frame. The sweeping rods around the frame should not be more than 20cm from the ground, and diagonal braces are continuously set around the frame.
[0023] Furthermore, in order to better realize the present invention, the frame is erected in a horizontal length of not less than 20m, and the mold is closed, the reinforcement is tied, and the concrete is poured.
[0024] Furthermore, in order to better implement the present invention, the template adopts 18mm thick plywood.
[0025] Furthermore, in order to better realize the present invention, in the step 4, the second oblique beam 4 formwork support is constructed with Φ4mm×3.6mm steel pipe, and the coupler-type steel pipe scaffolding is composed of large and small cross bars, vertical bars, oblique bars, scissors braces, etc., and is connected into a whole with fasteners. The vertical bar spacing of the second oblique beam 4 along the span direction is 60cm, the total horizontal spacing of the vertical bars on both sides of the bottom of the second oblique beam 4 (excluding the width of the operating frame) is 2.2m, the total number of vertical bars is 6, and they are evenly arranged at a horizontal spacing of 33cm along the second oblique beam 4. The small beams at the bottom of the second oblique beam 4 are supported parallel to the span direction of the beam body, with a total number of 10, and the supporting small beams at the bottom of the oblique beam are square wood with a cross section of 45mm×90mm, with a spacing of 20c m, the horizontal rod pitch of the frame is 1.2m, the front row anti-slip piles 1 and the rear row anti-slip piles 2 are a group, the vertical and horizontal spacing of the vertical rods of each group of pile formwork support frames are 90cm, the horizontal rod pitch is 1.5m and Φ48mm×3.6mm steel pipes are used to build a full-frame to connect the frames between each group of piles, the vertical scissors struts around the front row anti-slip piles 1 and the rear row anti-slip piles 2 are set along the full height of the bracket, a horizontal scissors strut should be set on the top of the frame, the sweeping rods around the frame are not more than 20cm from the ground, and diagonal braces are continuously set around the frame, most of the vertical rods of the second diagonal beam 4 are set on the beam surface of the first diagonal beam 3, and stepped wooden pads are set on the diagonal beam surface, and the horizontal size of the pads is determined according to the vertical rod spacing.
[0026] Furthermore, in the step 4, the formwork support of the third oblique beam 5 is constructed with Φ4mm×3.6mm steel pipe. The coupler-type steel pipe scaffolding is composed of large and small cross bars, vertical bars, oblique bars, scissors braces, etc., and is connected into a whole with fasteners. The vertical bar spacing of the third oblique beam 5 along the span direction is 60cm, and the total horizontal spacing of the vertical bars on both sides of the bottom of the third oblique beam 5 (excluding the width of the operating frame) is 1.8m. The total number of vertical bars is 5, and they are evenly arranged at a horizontal spacing of 30cm along the third oblique beam 5. The bottom beam of the second oblique beam 4 is supported parallel to the span direction of the beam body, with a total number of 10. The supporting beams at the bottom of the oblique beam are square wood with a cross-section of 45mm×90mm, with a spacing of 20cm, and the frame water level is 1. The horizontal bar pitch is 1.2m, the front row anti-slip piles 1 and the rear row anti-slip piles 2 are a group, the longitudinal and transverse spacing of the vertical poles of each group of pile formwork support frames are 90cm, the horizontal bar pitch is 1.5m and Φ48mm×3.6mm steel pipes are used to build a full-frame to connect the frames between each group of piles, the front row anti-slip piles 1 and the rear row anti-slip piles 2 are surrounded by vertical scissors struts along the full height of the bracket, a horizontal scissors strut should be set on the top of the frame, the sweeping rods around the frame are not more than 20cm from the ground, and diagonal braces are continuously set around the frame, most of the vertical poles of the second oblique beam 4 are arranged on the beam surface of the first oblique beam 3, and stepped wooden pads are provided on the oblique beam surface, and the horizontal size of the pads is determined according to the vertical pole spacing. In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "two ends", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention; and it is known to those skilled in the art that the beneficial effect to be achieved by the present invention is only to achieve better beneficial effects compared with the current implementation scheme in the prior art under specific circumstances, rather than to directly achieve the best use effect in the industry.
[0027] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not limiting. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the purpose and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.
Claims
1. A construction method for multi-slant beam H-shaped double-row anti-slip piles, characterized in that: The multi-oblique beam H-shaped double-row anti-slip piles include a front row anti-slip pile (1), a rear row anti-slip pile (2), a first oblique beam (3), a second oblique beam (4) and a third oblique beam (5), wherein the first oblique beam (3), the second oblique beam (4) and the third oblique beam (5) are sequentially distributed from bottom to top, the first oblique beam (3) and the third oblique beam (5) are arranged in parallel, the second oblique beam (4) is connected to the top end of the first oblique beam (3) and the bottom end of the third oblique beam (5), the two ends of the first oblique beam (3) are respectively connected to the front row anti-slip pile (1) and the rear row anti-slip pile (2), the two ends of the second oblique beam (4) are respectively connected to the front row anti-slip pile (1). The two ends of the sliding pile (1) and the rear row anti-sliding pile (2) are connected, and the two ends of the third inclined beam (5) are respectively connected to the two ends of the front row anti-sliding pile (1) and the rear row anti-sliding pile (2). The front row anti-sliding pile (1) and the rear row anti-sliding pile (2) are divided into an underground part and an above-ground part. The first inclined beam (3), the second inclined beam (4) and the third inclined beam (5) are all located in the above-ground part. The front row anti-sliding pile (1) and the rear row anti-sliding pile (2) are arranged in parallel. Most of the vertical poles of the second inclined beam (4) are arranged on the beam surface of the first inclined beam (3), and a stepped wooden pad is provided on the inclined beam surface. The horizontal size of the pad is determined according to the vertical pole spacing. The construction method of the multi-slant beam H-shaped double-row anti-slip piles includes: The first step is to level the site and cast the cushion layer, and use mechanical drilling and steel bar tying to complete the underground parts of the front row anti-slip piles (1) and the rear row anti-slip piles (2); the second step is to connect the piles and cast them to the top of the first inclined beam (3), set up the frame, lay the template and cast the first inclined beam (3); the third step is to connect the piles and cast them to the second inclined beam (4), chisel stepped steps on the surface of the first inclined beam (3), set up the frame, lay the template and cast the second inclined beam (4), and use horizontal rods to connect them into a whole; the fourth step is to cast them to the top of the third inclined beam (5), and refer to and repeat the third step to complete the construction of the entire multi-beam H-shaped double-row anti-slip piles, and finally cast the baffle and the crown beam.
2. The construction method of multi-slant beam H-shaped double-row anti-slip piles according to claim 1 is characterized by: In the step 1, the outer edges of the front row anti-slip piles (1) and the rear row anti-slip piles (2), the 1.5m range around the retaining wall, and the site of the front row anti-slip piles (1) and the rear row anti-slip piles (2) are manually leveled and compacted using a hand-held vertical impact machine; and a cushion layer with a width of 1.2m and a thickness of 15cm is poured with C20 concrete as the foundation of the connecting piles and the inclined beam scaffolding.
3. The construction method of multi-slant beam H-shaped double-row anti-slip piles according to claim 1 is characterized by: In the step 2, the first inclined beam (3) template support is constructed using Φ4mm×3.6mm steel pipes, and the coupler-type steel pipe scaffolding is composed of large and small horizontal bars, vertical bars, inclined bars, and scissors braces, and is connected into a whole with couplers. The vertical bar spacing of the first inclined beam (3) along the span direction is 60cm, the total horizontal spacing of the vertical bars on both sides of the bottom of the first inclined beam (3) (excluding the width of the operating frame) is 2.5m, the total number of vertical bars is 7, and they are evenly arranged at a horizontal spacing of 32cm along the first inclined beam (3). The bottom small beam of the first inclined beam (3) is supported parallel to the span direction of the beam body, with a total number of 12, and the supporting small beams at the bottom of the inclined beam are The cross-section of the square wood is 45mm×90mm, the spacing is 20cm, the horizontal rod pitch of the frame is 1.2m, the front row anti-slip piles (1) and the rear row anti-slip piles (2) are a group, the vertical and horizontal spacing of the vertical rods of each group of pile template support frame are 90cm, the horizontal rod pitch is 1.5m and Φ48mm×3.6mm steel pipes are used to build a full-height frame to connect the frames between each group of piles, the vertical scissors braces around the front row anti-slip piles (1) and the rear row anti-slip piles (2) are set along the full height of the frame, the horizontal scissors braces should be set on the top of the frame, the sweeping rods around the frame are not more than 20cm above the ground, and the diagonal braces are continuously set around the frame.
4. The construction method of multi-slant beam H-shaped double-row anti-slip piles according to claim 3 is characterized by: The horizontal length of the frame should not be less than 20m, and the formwork should be closed, reinforcement should be tied and concrete should be poured.
5. The construction method of multi-slant beam H-shaped double-row anti-slide piles according to claim 3 is characterized by: The template is made of 18mm thick plywood.
6. The construction method of multi-slant beam H-shaped double-row anti-slip piles according to claim 1 is characterized by: In the step 3, the second inclined beam (4) formwork support is constructed with Φ4mm×3.6mm steel pipes, and the coupler-type steel pipe scaffolding is composed of large and small horizontal bars, vertical bars, inclined bars, and scissors braces, and is connected into a whole with couplers. The vertical bar spacing of the second inclined beam (4) along the span direction is 60cm, the total horizontal spacing of the vertical bars on both sides of the bottom of the second inclined beam (4) (excluding the width of the operating frame) is 2.2m, the total number of vertical bars is 6, and they are evenly arranged with a horizontal spacing of 33cm along the second inclined beam (4). The bottom small beam of the second inclined beam (4) is parallel to the span direction of the beam body, with a total number of 10, and the supporting small beams at the bottom of the inclined beam are The cross-section of the square wood is 45mm×90mm, the spacing is 20cm, the horizontal rod pitch of the frame is 1.2m, the front row anti-slip piles (1) and the rear row anti-slip piles (2) are a group, the vertical and horizontal spacing of the vertical rods of each group of pile template support frame are 90cm, the horizontal rod pitch is 1.5m and Φ48mm×3.6mm steel pipes are used to build a full-height frame to connect the frames between each group of piles, the vertical scissors braces around the front row anti-slip piles (1) and the rear row anti-slip piles (2) are set along the full height of the frame, the horizontal scissors braces should be set on the top of the frame, the sweeping rods around the frame are not more than 20cm above the ground, and the diagonal braces are continuously set around the frame.
7. The construction method of multi-slant beam H-shaped double-row anti-slip piles according to claim 1 is characterized by: In the step 4, the template support of the third inclined beam (5) is constructed by Φ4mm×3.6mm steel pipe. The fastener-type steel pipe scaffolding is composed of large and small horizontal bars, vertical bars, inclined bars, and scissors braces, and is connected into a whole with fasteners. The vertical bar spacing of the third inclined beam (5) along the span direction is 60cm. The total horizontal spacing of the vertical bars on both sides of the bottom of the third inclined beam (5) is 1.8m. The total number of vertical bars is 5, and they are evenly arranged with a horizontal spacing of 30cm along the third inclined beam (5). The bottom small beam of the third inclined beam (5) is parallel to the span direction of the beam body for support, with a total number of 10. The supporting small beam at the bottom of the inclined beam is a square wood with a cross section of 45mm×90mm, with a spacing of 20cm, and the horizontal bar pitch of the frame is 1.2m. The front row anti-slip piles (1) and the rear row anti-slip piles (2) are a group. The vertical and horizontal spacing of the vertical poles of each group of pile template support frames are 90 cm. The horizontal pole step is 1.5 m and a Φ48mm×3.6mm steel pipe is used to build a full-frame to connect the frames between the piles. The vertical scissors braces are set along the full height of the bracket around the front row anti-slip piles (1) and the rear row anti-slip piles (2). The horizontal scissors brace should be set at the top of the frame. The sweeping rods around the frame are not more than 20 cm above the ground. The diagonal braces are continuously set around the frame. Most of the vertical poles of the third diagonal beam (5) are set on the beam surface of the first diagonal beam (3), and stepped wooden pads are set on the diagonal beam surface. The horizontal size of the pads is determined according to the vertical pole spacing.
Citation Information
Patent Citations
Buttress plate-type double-row pile foundation pit supporting structure and construction method thereof
CN107419731A
Linear double-row anti-slide pile supporting structure
CN110700292A