CN214695725U - Steel construction combination formula retaining wall - Google Patents
Steel construction combination formula retaining wall Download PDFInfo
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- CN214695725U CN214695725U CN202120524096.7U CN202120524096U CN214695725U CN 214695725 U CN214695725 U CN 214695725U CN 202120524096 U CN202120524096 U CN 202120524096U CN 214695725 U CN214695725 U CN 214695725U
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Abstract
The utility model discloses a geotechnical engineering side slope support technical field especially relates to a steel construction combination formula retaining wall. The retaining wall unit mainly comprises a bottom plate device, a stand column device, a vertical plate device and a cable-stayed device; the bottom plate device comprises a bottom beam, a beam hole convenient to be connected with the stand column device is formed in one end portion of the bottom beam, a positioning bolt convenient to be connected with the vertical plate device is arranged on the inner side of the beam hole, a plurality of tenons fixedly connected with the bottom beam are further arranged on the upper surface and the lower surface of the bottom beam and are located in the same plane, a flexible net is arranged between the bottom beams of the retaining wall units and is adjacent to the bottom beams, and the two sides of the flexible net are fixed to the tenons on the upper surfaces of the adjacent bottom beams respectively. The technical scheme is used for solving the problems that in the prior art, a retaining wall mainly made of concrete, reinforced concrete and grouted blocks (blocks) is long in construction period and cannot be applied to emergency rescue.
Description
Technical Field
The utility model discloses a geotechnical engineering side slope support technical field especially relates to a steel construction combination formula retaining wall.
Background
With the rapid development of society, the problem of slope management in the infrastructure construction process is more prominent, and in addition, the influence such as extreme abnormal climate, continuous heavy rainfall and the like, geological disasters frequently occur, different support measures appear aiming at different geological conditions, and the retaining wall plays an important role therein. The retaining wall is a structure which resists lateral soil pressure, prevents soil body deformation and instability, ensures the stability of a side slope or backfill soil, is widely applied to prevention and control of highways, railways, bridges and ground disasters, and is developed into various types. The materials of various types of retaining walls basically mainly comprise concrete, reinforced concrete and grouted block (piece) stones, so that the retaining wall is firm in structure and good in durability, but has a great problem that the retaining wall is long in construction period and difficult to apply in some emergency emergencies or under the condition that the effect needs to be generated quickly.
Nowadays, steel structures are greatly developed, steel materials are characterized by high strength, light dead weight, good overall rigidity and strong deformability, and at present, the steel structures are widely applied to the aspects of house buildings, roads, railways, bridges, houses and the like, but the steel structures are rarely applied to the field of geotechnical engineering and prevention and control of geological disasters.
SUMMERY OF THE UTILITY MODEL
Not enough to the above-mentioned technique, the utility model aims to provide a steel construction combination formula retaining wall solves and uses concrete, reinforced concrete, the retaining wall construction period who grouts the block stone and give first place to among the prior art long, can not be applied to the problem in the emergency rush repair.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a steel structure combined retaining wall comprises a plurality of retaining wall units which are combined with each other, wherein each retaining wall unit mainly comprises a bottom plate device, a stand column device, a vertical plate device and a cable-stayed device;
the bottom plate device comprises a bottom beam, a beam hole convenient to be connected with the upright post device is formed in one end of the bottom beam, a positioning bolt convenient to be connected with the upright post device is arranged on the inner side of the beam hole, a plurality of tenons fixedly connected with the bottom beam are further arranged on the upper surface and the lower surface of the bottom beam, the tenons are located in the same plane, a flexible net is arranged between the bottom beams of adjacent retaining wall units, and two sides of the flexible net are respectively fixed on the tenons on the upper surfaces of the adjacent bottom beams;
the upright post device comprises an upright post, one end of the upright post is provided with a post hole corresponding to the beam hole, the upright post and the bottom beam are internally provided with a connecting rod, two ends of the connecting rod fix the upright post and the bottom beam through a connecting nut, and the middle upper part of the outer side of the upright post is provided with a guide rope bolt convenient for being connected with a cable-stayed device;
the vertical plate device comprises a vertical plate, the vertical plate is positioned between the stand column and the positioning bolt, 4 cantilever bolts which are distributed in a rectangular shape are arranged on the outer side surface of the vertical plate device, a cantilever beam is arranged between two adjacent vertical plates which are horizontally distributed, the cantilever beam is positioned in the cantilever bolts, and a rope guide hole which is convenient for connecting with a cable-stayed device is also formed in the vertical plate;
the oblique pulling device comprises an oblique pulling rope, one end of the oblique pulling rope is fixed on the guide rope bolt, and the other end of the oblique pulling rope penetrates through the guide rope hole and is fixedly connected to the bottom beam.
Further inject, be equipped with 3 sets of gag lever posts on the floorbar, keep away from be equipped with anti-sliding key in the two gag lever posts of stand, the top of anti-sliding key flushes with the bottom surface of floorbar, and its beneficial effect lies in, and the setting up of anti-sliding key can make the combination formula retaining wall more firm with being connected on ground, and the condition that is difficult for appearing sliding during the slope landslide promotes the protective effect of combination formula retaining wall.
Further inject, flexible net is the protection network, the mesh of protection network passes floorbar upper portion tenon and lays the upper portion at the bottom plate device, the end of protection network surpasss the floorbar end and is not less than 50cm, the below of protection network is equipped with the sandy gravel layer that 20cm is thick, and its beneficial part lies in, can adopt broken old protection network, not only reduces manufacturing cost, and raw and other materials easily obtain, and the end surpasss the terminal purpose of floorbar in, avoids too much earth to get into the inside on sandy gravel layer, blocks up the intraformational clearance of sandy gravel, leads to the infiltration drainage ability reduction of sandy gravel layer.
Further limit, the riser is the steel sheet, and all is equipped with the right angle breach in the four corners department of riser, and its beneficial effect lies in, and the right angle breach can regard as the outlet to use, discharges the moisture in the side slope earth.
Further inject, the both ends of cantilever beam all are equipped with the crotch, and its beneficial part lies in, and the setting of crotch can avoid the cantilever beam to be in the bolt slip of encorbelmenting and deviate from, and the reinforcing is encorbelmented the beam and is tied the connection limit performance to adjacent riser.
The utility model also discloses a construction method of steel construction combination formula retaining wall, mainly include following step:
(1) each component of the combined retaining wall prefabricated or cut in a factory is purchased in the market, and is subjected to anti-corrosion treatment, and the combined retaining wall comprises a bottom plate device, a stand column device, a vertical plate device and a diagonal pulling device, and is transported to a construction site warehouse for later use;
(2) performing a step on an area needing to be provided with a backfilled retaining wall, determining the position of the retaining wall, and leveling the position of the retaining wall;
(3) sketching the approximate positions of structures such as a bottom beam, an upright post and the like by using lime lines, excavating a foundation at the position of a foundation and an anti-sliding key corresponding to the upright post, wherein the periphery of the foundation is greater than the length and the width of each of the upright post and the anti-sliding key by 5 cm;
(4) 2 bottom beams are arranged at corresponding positions on the ground, the limiting rods are opposite and vertical, and tenons at the bottoms of the bottom beams are inserted into the ground;
(5) the upright post penetrates through the space between the first limiting rods at the front part between the bottom beams and is inserted into the foundation, the connecting rod penetrates through the beam holes of the bottom beams and the column holes of the upright post, the two sides of the connecting rod are fastened by nuts, and the foundation is filled by C20 concrete;
(6)2 anti-sliding keys respectively penetrate through the space between the second limiting rod and the third limiting rod to be inserted into the foundation, the tops of the anti-sliding keys are flush with the top of the bottom beam, and the foundation is filled with C20 concrete; the diagonal draw ropes pass through the bottom of the bottom beams and the last anti-sliding key and penetrate out of the two bottom beams, and the two sides of the diagonal draw ropes are arranged in equal length.
(7) Repeating the steps (4) to (6) until the bottom beam and the upright post of the first-stage combined retaining wall are installed;
(8) a sand-gravel layer with the thickness of 20cm is paved in the bottom beam area, and then a flexible net is paved;
(9) a vertical plate is placed between the positioning bolt and the vertical column, so that the vertical column is positioned in the middle of the vertical plate;
(10) stay ropes reserved on the inner sides of the vertical plates penetrate through the reserved guide rope holes of the vertical plates and then penetrate through the guide rope bolts of the vertical columns, and after the stay ropes are tensioned, the stay ropes are fastened on the outer sides of the vertical plates by adopting buckles;
(11) the cantilever beam is placed into a cantilever bolt between adjacent vertical plates, and the upper cantilever beam and the lower cantilever beam are adopted to connect the adjacent vertical plates, similar to the function of a door bolt;
(12) backfilling a earthwork at the rear part of the first-stage combined retaining wall, and assembling the second-stage combined retaining wall after tamping and compacting;
(13) the top end of a bottom beam of the second-stage combined retaining wall is abutted against the back of a vertical plate of the first-stage retaining wall, and the top of the bottom beam is flush with the top surface of an upright post of the first-stage retaining wall;
(14) and (4) repeating the steps (3) to (14) until the assembly of the whole combined retaining wall is completed.
Further limiting, the degree of compaction of the backfilled earthwork in the step (12) is not less than 85%, which has the advantages that the degree of compaction of the backfilled earthwork is larger, so that the compacting and fixing effects of the backfilled earthwork on the combined retaining wall unit are better, and the blocking and protecting capabilities of the combined retaining wall are further enhanced.
The technical effects of the utility model are as follows: (1) a single combined structure is a system by itself, a single-stage retaining wall is formed by combining a plurality of combined retaining walls in the horizontal direction, earth and stones are backfilled behind the retaining wall, then the assembly of the multi-stage retaining wall in the vertical direction is sequentially carried out, and the width and the height of the retaining wall can be adjusted by combining the horizontal retaining wall and the vertical retaining wall.
(2) The bottom plate device of combination retaining wall is provided with anti-skidding key, tenon etc. can play the effect of cling compound, and stand, riser device can play the effect of retaining soil, and the device that draws to one side can effectual restraint stand and riser device receive the deformation and the toppling of yawing force to and the flexible net in bottom plays the cling compound and the anti-overturning effect to the combination retaining wall through the effort of being connected between with the tenon under the effect of upper soil pressure.
(3) This steel construction combination formula retaining wall not only reduces the excavation of basis, saves space, and the equipment is quick moreover, still has advantages such as construction convenience, easy operation, strong adaptability, can be fine be applicable to in the emergent project of speedily carrying out rescue work.
Drawings
FIG. 1 is a sectional view of a single retaining wall unit in the present embodiment;
fig. 2 is a schematic elevational view of the combined retaining wall in this embodiment.
Fig. 3 is a schematic sectional view of the combined retaining wall in the embodiment.
Fig. 4 is a partially enlarged view of a portion a in fig. 2 according to the present embodiment.
Reference numerals
1. The device comprises a bottom plate device, 11, bottom beams, 12, beam holes, 13, limiting rods, 14, positioning bolts, 15, anti-sliding keys, 16, tenons and 17 flexible nets; 2. the device comprises a stand column device 21, stand columns 22, a guide rope bolt 23, a column hole 24 and a connecting rod; 3. the device comprises a vertical plate device 31, a vertical plate 32, a rope guide hole 33, a cantilever bolt 34 and a cantilever beam; 4. and a diagonal drawing device 41 and a diagonal drawing rope.
Detailed Description
The following is further detailed by way of specific embodiments:
as shown in fig. 1 to 4, a steel-structured combined retaining wall is formed by combining a plurality of retaining wall units, has a short manufacturing period, and can play a great role in emergency rescue, and specifically includes four parts, namely a bottom plate device 1, a column device 2, a vertical plate device 3 and a diagonal pulling device 4, wherein the bottom plate device 1 specifically includes a bottom beam 11, a beam hole 12, a limiting rod 13, a positioning bolt 14, an anti-sliding key 15, a tenon 16 and a protective net. The bottom beam 11 is a rectangular tube of 200X 150X 4, the length is 2.5m, one end is used as a starting point, a beam hole 12 is arranged in the middle of the tube height at a distance of 40cm from the starting point, and the aperture is 40 mm. The limiting rods 13 are made of 20 steel bars, the length of the limiting rods is 200mm, the limiting rods are arranged at three positions (29cm, 51cm), (119cm, 141cm), (179cm and 201cm) away from the starting point of the bottom beam 11, and the single bottom beam is provided with 116 limiting rods 13 which are welded. The positioning bolt 14 is made of 32 steel bars, is 100mm long, is arranged at the upper part of the bottom beam 11 and is welded at a position 58cm away from the starting point. The anti-sliding key 15 is made of 20A type I-shaped steel and is 50cm long, the anti-sliding key 15 is arranged between the limiting rods 13 at the middle part and the rear part of the bottom beam 11, and the top of the anti-sliding key is flush with the bottom of the bottom beam 11. The tenon 16 is made of 20 steel bars, has the length of 50mm, and is welded on the upper surface and the lower surface of the bottom beam 11 at unequal intervals. The flexible net 17 can be a protective net, and the net holes penetrate through the tenon 16 on the bottom beam 11 and are paved on the upper part of the bottom plate device 1, starting from the vertical plate device 3, and the tail end of the flexible net is not less than 50cm beyond the tail end of the bottom beam 11.
The upright post device 2 specifically comprises an upright post 21, a guide rope bolt 22, a connecting rod 24 and a connecting nut, wherein the upright post 21 is made of 20A type I steel, the length is 2.5m, a post hole 23 is formed in the middle of the position, away from 40cm, of the bottom end, and the aperture is 40 mm. The guide rope bolt 22 is made of 20 steel bars, is 9cm long, is bent into a semicircle, is welded on the outer side of the upright post 21 and is 75cm away from the top of the upright post 21. The connecting rod 24 is made of 32 steel bars, the length of the connecting rod is 40cm, and threads not smaller than 6cm are reserved on two sides of the connecting rod respectively. The coupling nut is of a prefabricated steel structure, and the bottom beam 11 and the upright post 21 are fixedly coupled through the coupling rod 24.
The vertical plate device 3 comprises a vertical plate 31, a rope guide hole 32, a cantilever bolt 33 and a cantilever beam 34, wherein the vertical plate 31 is made of a 6mm thick steel plate and is cut into a shape with the width of 2.5m and the height of 2.0m, and a 5cm right-angle notch is reserved at four corners of the vertical plate and is used as a water drainage hole after being assembled. The rope guide holes 32 are reserved in the steel plate, are transversely located in the middle of the vertical plate 31 and are 10cm away from two sides, and are vertically downward 90cm from the top, and the inclination of the rope guide holes 32 is 45 degrees from outside to inside. 4 single plates of the cantilever bolts 33 are transversely arranged at the positions which are 75cm away from the middle of the vertical plate 31 and are located at the two sides, and the positions which are 100cm and 150cm downward from the top are longitudinally bent into right angles by adopting a 15cm long 32 steel bar and are vertically welded with the vertical plates, and the vertical plates are 5cm and 10cm vertical. The cantilever beam 34 is made of 32 steel bars, is 104cm long, and is provided with hooks at two sides of 10cm respectively for connecting the horizontally adjacent vertical plates 31.
The diagonal draw device 4 comprises a diagonal draw rope 41, the diagonal draw rope 41 adopts a steel wire rope sleeved with a hose, the length of the diagonal draw rope 41 is 6.0m, one end of the diagonal draw rope 41 is fixed on the rope guide bolt 22, and the other end of the diagonal draw rope 41 penetrates through the rope guide hole 32 to be fixedly connected to the bottom beam 11 and is used for connecting the upright post 21, the vertical plate device 3 and the bottom beam 11.
The embodiment also comprises a construction method of the steel structure combined retaining wall, which mainly comprises the following steps:
(1) each component of the combined retaining wall prefabricated or cut in a factory is purchased in the market, and is subjected to anti-corrosion treatment, and the combined retaining wall comprises a bottom plate device, a stand column device 2, a vertical plate device 3 and a diagonal drawing device 4, and is transported to a construction site warehouse for later use;
(2) performing a step on an area needing to be provided with a backfilled retaining wall, determining the position of the retaining wall, and leveling the position of the retaining wall;
(3) sketching the approximate positions of the structures such as the bottom beam 11, the upright post 21 and the like by using lime lines, excavating a foundation at the position corresponding to the foundation of the upright post 21 and the position of the anti-slide key 15, wherein the periphery of the foundation is larger than the length and the width of each of the upright post 21 and the anti-slide key 15 by 5 cm;
(4) 2 bottom beams 11 are arranged at corresponding positions on the ground, the limiting rods 13 are opposite and vertical, and tenons 16 at the bottoms of the bottom beams 11 are inserted into the ground;
(5) the upright post 21 penetrates through the space between the first position limiting rods 13 at the front part between the bottom beams 11 and is inserted into the foundation, the connecting rod 24 penetrates through the beam hole 12 of the bottom beam 11 and the post hole 23 of the upright post 21, the two sides are fastened by adopting nuts, and the foundation is filled by adopting C20 concrete;
(6)2 anti-sliding keys 15 respectively penetrate through the space between the second limiting rod 13 and the third limiting rod 13 to be inserted into a foundation, the tops of the anti-sliding keys 15 are flush with the top of the bottom beam 11, and the foundation is filled with C20 concrete; the inclined stay ropes 41 pass through the bottom of the bottom beams 11 and the last anti-skid key 15 and penetrate out of the space between the two bottom beams 11, and the two sides of the inclined stay ropes are arranged in equal length.
(7) Repeating the steps (4) to (6) until the bottom beam 11 and the upright post 21 of the first-stage combined retaining wall are installed;
(8) a sand-gravel layer with the thickness of 20cm is paved in the area of the bottom beam 11, and then a flexible net 17 is paved;
(9) a vertical plate 31 is placed between the positioning bolt 14 and the upright post 21, so that the upright post 21 is positioned in the middle of the vertical plate 31;
(10) the inclined stay ropes 41 reserved on the inner side of the vertical plate 31 penetrate through the guide rope holes 32 reserved on the vertical plate 31 and then penetrate through the guide rope bolts 22 of the upright post 21, and are fastened on the outer side of the vertical plate 31 by adopting buckles after being tensioned;
(11) the cantilever beam 34 is placed in the cantilever bolt 33 between the adjacent vertical plates 31, and the upper and lower cantilever beams 34 are used for connecting the adjacent vertical plates 31 like a door bolt;
(12) backfilling a earthwork at the rear part of the first-stage combined retaining wall, and assembling the second-stage combined retaining wall after tamping and compacting;
(13) the top end of the bottom beam 11 of the second-stage combined retaining wall is abutted against the back of the vertical plate 31 of the first-stage retaining wall, and the top of the bottom beam 11 is flush with the top surface of the upright post 21 of the first-stage retaining wall;
(14) and (4) repeating the steps (3) to (14) until the assembly of the whole combined retaining wall is completed.
It should be noted that in the method, when assembling several stages of retaining walls, step (13) can be specifically understood as the top of the retaining wall base beam 11 of the current stage is abutted against the back of the vertical plate 31 of the retaining wall of the previous stage.
It should be noted that, in the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (6)
1. A steel structure combined retaining wall comprises a plurality of retaining wall units which are combined with each other, and is characterized in that each retaining wall unit comprises a bottom plate device, a stand column device, a vertical plate device and a cable-stayed device;
the bottom plate device comprises a bottom beam, a beam hole connected with the upright post device is formed in one end of the bottom beam, a positioning bolt connected with the upright post device is arranged on the inner side of the beam hole, a plurality of tenons fixedly connected with the bottom beam are further arranged on the upper surface and the lower surface of the bottom beam, the tenons are located in the same plane, a flexible net is arranged between the bottom beams of adjacent retaining wall units, and two sides of the flexible net are respectively fixed on the tenons on the upper surfaces of the adjacent bottom beams;
the upright post device comprises an upright post, one end of the upright post is provided with a post hole corresponding to the beam hole, the upright post and the bottom beam are internally provided with a connecting rod, two ends of the connecting rod fix the upright post and the bottom beam through a connecting nut, and the middle upper part of the outer side of the upright post is provided with a guide rope bolt convenient for being connected with a cable-stayed device;
the vertical plate device comprises a vertical plate, the vertical plate is positioned between the stand column and the positioning bolt, 4 cantilever bolts which are distributed in a rectangular shape are arranged on the outer side surface of the vertical plate device, a cantilever beam is arranged between every two adjacent vertical plates which are horizontally distributed, the cantilever beam is positioned in the cantilever bolts, and a rope guide hole connected with a cable-stayed device is further formed in the vertical plate;
the oblique pulling device comprises an oblique pulling rope, one end of the oblique pulling rope is fixed on the guide rope bolt, and the other end of the oblique pulling rope penetrates through the guide rope hole and is fixedly connected to the bottom beam.
2. A combined retaining wall of steel structure as claimed in claim 1, wherein the bottom beams are provided with 3 sets of limiting rods, and two limiting rods away from the vertical columns are provided with anti-sliding keys, the top ends of the anti-sliding keys are flush with the bottom surfaces of the bottom beams.
3. A combined retaining wall of steel structure as claimed in claim 1, wherein the flexible net is a protection net, the net holes of the protection net pass through the tenons at the upper part of the bottom beam and are laid at the upper part of the bottom plate device, and the end of the protection net exceeds the end of the bottom beam by not less than 50 cm.
4. A combined retaining wall with steel structure as claimed in claim 1, wherein the vertical plate is a steel plate, and the four corners of the vertical plate are provided with right-angled notches.
5. A combined retaining wall of steel structure as claimed in claim 1, wherein hooks are provided at both ends of the cantilever beam.
6. A steel-structured modular retaining wall according to claim 2, wherein a layer of sand and gravel is provided under the flexible net.
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| CN202120524096.7U CN214695725U (en) | 2021-03-12 | 2021-03-12 | Steel construction combination formula retaining wall |
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| CN202120524096.7U CN214695725U (en) | 2021-03-12 | 2021-03-12 | Steel construction combination formula retaining wall |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112878360A (en) * | 2021-03-12 | 2021-06-01 | 重庆市地质矿产勘查开发局南江水文地质工程地质队 | Steel structure combined retaining wall and construction method thereof |
| CN115305950A (en) * | 2022-07-26 | 2022-11-08 | 中国中材国际工程股份有限公司 | Assembled cantilever retaining wall and mounting method thereof |
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2021
- 2021-03-12 CN CN202120524096.7U patent/CN214695725U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112878360A (en) * | 2021-03-12 | 2021-06-01 | 重庆市地质矿产勘查开发局南江水文地质工程地质队 | Steel structure combined retaining wall and construction method thereof |
| CN112878360B (en) * | 2021-03-12 | 2024-06-04 | 重庆市地质矿产勘查开发局南江水文地质工程地质队 | Steel structure combined retaining wall and construction method thereof |
| CN115305950A (en) * | 2022-07-26 | 2022-11-08 | 中国中材国际工程股份有限公司 | Assembled cantilever retaining wall and mounting method thereof |
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