CN108360556A - A kind of novel fabricated anti-seismic anchor rod retaining wall and its construction method - Google Patents

A kind of novel fabricated anti-seismic anchor rod retaining wall and its construction method Download PDF

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Publication number
CN108360556A
CN108360556A CN201810103743.XA CN201810103743A CN108360556A CN 108360556 A CN108360556 A CN 108360556A CN 201810103743 A CN201810103743 A CN 201810103743A CN 108360556 A CN108360556 A CN 108360556A
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Prior art keywords
shock
wall
proof plate
breast boards
exterior wall
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CN201810103743.XA
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CN108360556B (en
Inventor
杜怡韩
黄博
李胜英
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Anhui Polytechnic University
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Anhui Polytechnic University
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00Independent underground or underwater structures; Retaining walls
    • E02D29/02Retaining or protecting walls
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00Independent underground or underwater structures; Retaining walls
    • E02D29/02Retaining or protecting walls
    • E02D29/0225Retaining or protecting walls comprising retention means in the backfill
    • E02D29/0233Retaining or protecting walls comprising retention means in the backfill the retention means being anchors
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00Independent underground or underwater structures; Retaining walls
    • E02D29/02Retaining or protecting walls
    • E02D29/0258Retaining or protecting walls characterised by constructional features
    • E02D29/0283Retaining or protecting walls characterised by constructional features of mixed type
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/74Means for anchoring structural elements or bulkheads
    • E02D5/76Anchorings for bulkheads or sections thereof in as much as specially adapted therefor

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Piles And Underground Anchors (AREA)

Abstract

The invention discloses a kind of novel fabricated anti-seismic anchor rod retaining walls, including earth-retaining wall and loaded filter, loaded filter is arranged at the back side of earth-retaining wall, earth-retaining wall includes n breast boards and (n 1) a shock-proof plate, breast boards is intervally arranged with shock-proof plate, connection component is installed between shock-proof plate and breast boards, seam filler is filled between breast boards and shock-proof plate, several two way dampers are equipped in shock-proof plate, two way damper vertically arranges, and is arranged two-by-two in angle between two way damper.The present invention passes through the active force that the two way damper that is arranged in the angle of cut offsets different directions, it is therefore prevented that load bearing wall body deforms destructions, the integrality of breast boards is maintained, with good antihunt action;The exterior wall of breast boards and shock-proof plate is all made of premade shells structure, is conducive to transport and lifting, saves transportation cost, and breast boards is connected with shock-proof plate by connection component, simple in structure, and connection is convenient, is easily installed, improves construction efficiency.

Description

A kind of novel fabricated anti-seismic anchor rod retaining wall and its construction method
Technical field
The present invention relates to retaining wall technical field, specifically a kind of novel fabricated anti-seismic anchor rod retaining wall and its apply Work method.
Background technology
The light supporting structure that anchor retaining wall is made of reinforced concrete upright column, breast boards and combining anchor, anchor pole It is connect with column, soil pressure is transmitted to column by breast boards after wall, and column makes wall by the anchor force between anchor pole and Rock And Soil Stablize.Its structure is light, and cost is relatively low, is suitable for the lower important engineering of foundation bearing capacity, but construction technology is more complex, shock resistance Can be poor, it is done harm to once meeting with earthquake calamity strongly, under the action of seismic wave, easily leads to column, breast boards generates through crack, whole Body collapses, and is difficult to repair, and not only influences the normal use and Function of anchor retaining wall, can also cause to be become by supporting and retaining system side slope Shape unstability influences the normal production and living of people, or even brings about great losses to people's lives and properties.
Invention content
According to the above-mentioned deficiencies of the prior art, the technical problem to be solved by the present invention is to propose that a kind of novel fabricated is anti- Shake anchor retaining wall and its construction method.
The present invention solves its technical problem using following technical scheme to realize:
A kind of novel fabricated anti-seismic anchor rod retaining wall, including earth-retaining wall and loaded filter, loaded filter are arranged in retaining wall The back side of body, earth-retaining wall include n breast boards and (n-1) a shock-proof plate, and breast boards is intervally arranged with shock-proof plate, shock-proof plate with Connection component is installed between breast boards, seam filler is filled between breast boards and shock-proof plate, is equipped in shock-proof plate several A two way damper, two way damper vertically arrange, and are arranged two-by-two in angle between two way damper, and two way damper is used In the active force for offsetting different directions between breast boards and shock-proof plate.
Breast boards includes load-bearing exterior wall, and load-bearing exterior wall is No.1 premade shells, and the middle part of load-bearing exterior wall is vertically set It is equipped with column, load-bearing exterior wall is internally provided with load bearing wall body, and the both sides of load-bearing exterior wall are additionally provided with laterally attached hole, load-bearing exterior wall Several drain holes are equipped with, drain hole is through load bearing wall body and load-bearing exterior wall, and the outlet of drain hole tilts down, on column Equipped with several anchor poles, anchor pole is vertically arranged, and is sequentially passed through column, load-bearing exterior wall and load bearing wall body and extended outwardly.
Anchor pole is reinforcing bar or steel strand wires, and anchor pole tilts down, and with horizontal plane at 15 °~20 ° angles.
Shock-proof plate includes shock-resistant exterior wall, and shock-resistant exterior wall is No. two premade shells, and the both sides of shock-resistant exterior wall are anti-equipped with several Connecting hole is shaken, the both ends of shock resistant damping component are protruding by antidetonation connecting hole, filled out between shock-resistant exterior wall and shock resistant damping component Filled with filler.
The construction method of novel fabricated anti-seismic anchor rod retaining wall, construction procedure are:
Step 1: slope excavating:It removes scar and loosens stone, leveling wall back slope face using excavation by troughs, and is arranged interim Support;
Step 2: construction lofting:Alignment is measured, and makes center line, the baseline stake of column is made, accurately makes retaining wall Position and elevation, determine the position of each anchor hole;
Step 3: drilling:Impact drill or rotation are used according to the hole of construction drawing defined position, aperture, length and gradient Drilling after being drilled into the depth pore-forming of requirement, hole inner wall and root residual roach is removed clean;
Step 4: fixing anchor bar:By anchor pole it is straight insertion drilling, after waiting for rockbolt installation, using gravity grouting with The method that pressure grouting is combined fills paddle, must not be tapped during grouting, shake anchor pole;
Step 5: earth-retaining wall positions:Load-bearing exterior wall and shock-resistant exterior wall are spaced apart positioning side by side, when positioning, simultaneously Make loaded filter and wall back of the body backfill, column is corresponding with the position of anchor pole;
Step 6: wall connecting:Connecting rod is connected with the threaded hole of universal joint, by the spiral shell of the universal joint other end Bolt is mounted in laterally attached hole, and tightening nuts;
Step 7: wall is filled:Scene carries out casting concrete to load bearing wall body, and filling can flow into shock-resistant exterior wall Filler, filled bitumen flax silk or cohesive soil, end are sealed with polyurethane sealant in the connecting sewing of breast boards and shock-proof plate, Step completes the connection of remaining shock-proof plate and breast boards and the filling of seam according to this;
Step 8: anchor rod anchored:Wait for that with after the completion of shock-proof plate construction, weld anchor is carried out to anchor pole and column for all breast boards Gu.
The beneficial effects of the invention are as follows:
1. breast boards, when by earthquake shock, shock-proof plate eliminates seismic wave to gear using the relative displacement between breast boards The active force of native plate, the two way damper in angle of cut setting is more firm, can offset the active force of different directions, it is therefore prevented that hold Weight wall body deforms destructions, maintains the integrality of breast boards, with good antihunt action;
2. the exterior wall of breast boards and shock-proof plate is all made of precast hollow shell structure, it is conducive to transport and lifting, saves fortune Defeated cost, breast boards and shock-proof plate are connected by connection component, simple in structure, and connection is convenient, is easily installed, improves construction Efficiency.
Description of the drawings
The content expressed by this specification attached drawing and the label in figure are briefly described below:
Fig. 1 is the structural schematic diagram of the novel fabricated anti-seismic anchor rod retaining wall of the specific implementation mode of the present invention;
Fig. 2 is the structural schematic diagram of the breast boards of the specific implementation mode of the present invention;
Fig. 3 is the structural schematic diagram of the shock-proof plate of the specific implementation mode of the present invention;
Fig. 4 is the sectional view of the novel fabricated anti-seismic anchor rod retaining wall of the specific implementation mode of the present invention.
Specific implementation mode
Below by the description to embodiment, the shape of for example involved each component of specific implementation mode of the invention, structure It makes, the mutual alignment between each section and connection relation, the effect of each section and operation principle, manufacturing process and the side of operating with Method etc., is described in further detail, completeer to help those skilled in the art to have the inventive concept of the present invention, technical solution Whole, accurate and deep understanding.
A kind of novel fabricated anti-seismic anchor rod retaining wall, including earth-retaining wall and loaded filter 1, loaded filter 1 are arranged in earth-retaining The back side of wall, earth-retaining wall include n breast boards 2 and (n-1) a shock-proof plate 3, and breast boards 2 is intervally arranged with shock-proof plate 3, are resisted Connection component is installed between shake plate 3 and breast boards 2, seam filler 4, shock-proof plate are filled between breast boards 2 and shock-proof plate 3 Several two way dampers 33 are equipped in 3, two way damper 33 vertically arranges, and is in two-by-two angle between two way damper 33 Setting, two way damper 33 are used to offset the active force of different directions between breast boards 2 and shock-proof plate 3.Wherein, loaded filter 1 needs It to construct simultaneously when earth-retaining wall positions, the setting of loaded filter 1 can protect the soil in retaining wall and ground not to be lost in, and prevent The generation for flowing soil, increases the stability of retaining wall;Under the action of seismic wave with shock-proof plate 3 relative displacement occurs for breast boards 2, double Active force of the seismic wave to breast boards 2 is eliminated using this relative displacement to damper 33, keeps the integrality of breast boards 2.
Breast boards 2 includes load-bearing exterior wall 21, and load-bearing exterior wall 21 is No.1 premade shells, and the middle part of load-bearing exterior wall 21 is along vertical Direction is provided with column 22, and load-bearing exterior wall 21 is internally provided with load bearing wall body 23, and the both sides of load-bearing exterior wall 21 are additionally provided with laterally Connecting hole, load-bearing exterior wall are equipped with several drain holes 24, and drain hole 24 sluices through load bearing wall body 23 and load-bearing exterior wall 21 The outlet in hole 24 tilts down, and column 22 is equipped with several anchor poles 25, and anchor pole 25 is vertically arranged, and sequentially passes through column 22, load-bearing exterior wall 21 and load bearing wall body 23 and extend outwardly.Wherein, load-bearing exterior wall 21 carries out Reinforcement Design according to design requirement, And No.1 premade shells are prefabricated into, No.1 premade shells are reinforced concrete structure, this shell is hollow-core construction, light-weight, just It can directly be transported to in-site installation when transport, use, reduce the time of site operation, greatly accelerate construction speed;It is vertical Column 22 is prefabricated together with load-bearing exterior wall 21, and anchor pole is reserved on column 22 and passes through hole, when prefabricated, reserve drain hole 24 with it is lateral Connecting hole, laterally attached hole are threaded hole, for being docked with shock-proof plate 3, tilt down setting drain hole 24 be conducive to wall after The discharge of water in the soil body, anchor pole 25 need first to be fixed in the anchor layer of the soil body, and then anchor pole 25 passes through Kong Yuli by anchor pole Column 22 is connected and fixed by welding, and when work, the soil lateral pressure after wall acts on breast boards 2, and breast boards 2 is transmitted to Column 22, column 22 are transmitted to anchor pole 25, and anchor pole 25 is anchored in rock stratum to bear soil body lateral pressure.
Anchor pole 25 is reinforcing bar or steel strand wires, and anchor pole 25 tilts down, and with horizontal plane at 15 °~20 ° angles.
Load bearing wall body 23 is made of cast in situs.Wherein, when load bearing wall body 23 is formed by cast in situs, load bearing wall body 23 Inside arranges that reinforcing bar, poured in place concrete are made according to design requirement.
Shock-proof plate 3 includes shock-resistant exterior wall 31, and shock-resistant exterior wall 31 is No. two premade shells, and the both sides of shock-resistant exterior wall 31 are equipped with The both ends of several antidetonation connecting holes, shock resistant damping component are protruding by antidetonation connecting hole, shock-resistant exterior wall 31 and shock resistant damping Filler 32 is filled between component.Wherein, antidetonation connecting hole is pre-set in the both sides of shock-resistant exterior wall 31, is wanted according to design Carry out Reinforcement Design is sought, and is prefabricated into No. two premade shells, the sectional dimension of No. two premade shells and No.1 premade shells needs to protect It holds consistent.
Filler 32 is can flow filler.Wherein, can flow filler can be metal particulate, such as a diameter of 0.5mm- 10mm lead buttons can be very good to be packed into shock-resistant exterior wall 31 and two way damper 33 with good mobility and fillibility Between gap in, meanwhile, lead have good extensibility, being squeezed can be plastically deformed, and can eliminate bidirectional damper The displacement that device 33 generates;Can flow filler can also be plastic grain, such as PP GRANULES has certain plasticity, has simultaneously Good intensity can play the role of eliminating the displacement of shock resistant damping component and support shock-resistant exterior wall 31.
Two way damper 33 vertically arranges, and two-by-two between two way damper 33 in the angle of equal angular, two-way resistance The both ends of Buddhist nun's device 33 are equipped with connecting rod 34, and two way damper 33 is hydraulic bidirectional head isolation damper.Wherein, two way damper The active force that certain angle enables two way damper 33 to offset different directions is presented between 33, it is therefore prevented that load bearing wall body 23 occurs Deformation failure maintains the integrality of breast boards 2, and there is good antihunt action hydraulic damper important spare part to use Ovshinsky Body stainless steel, antiseptic property is good, is suitable for severe working environment, hydraulic damper damping force is big, and dynamic response time is short, is It is a kind of to the sensitive vibration control apparatus of speed responsing, suitable for slowing down the impact of seismic wave.
Connection component includes universal joint 5, and one end of universal joint 5 is connected with bolt 6, is set with nut on bolt 6, and ten thousand It is equipped with threaded hole to the other end of connector 5, universal joint 5, bolt 6 and nut pass through preservative treatment.Wherein, by connecting rod 34 It is connected with the threaded hole of universal joint 5, the bolt 6 of 5 other end of universal joint is mounted in laterally attached hole, and tightens spiral shell Cap, completes the connection of shock-proof plate 3 and breast boards 2, and the setting of universal joint 5 can ensure that breast boards 2 misplaces with shock-proof plate 3 When always be in connection status, improve the shock resistance of retaining wall.
Seam filler 4 includes filled layer and end socket layer, and end socket layer is located at the both ends of filled layer, and filled layer is Bituminous hemp fiber Or cohesive soil, end socket layer are polyurethane sealant.Wherein, breast boards 2 will produce relatively with shock-proof plate 3 under the action of seismic wave Displacement, seam filler 4 require have good leakproofness and restoration, and Bituminous hemp fiber or cohesive soil water penetration are weak, and all have Shrinkage disclosure satisfy that the sealing effect of seam, and polyurethane sealant cementability is good, has excellent restoration, is suitably adapted for moving State seam, and price is low, has saved manufacturing cost.
The construction method of novel fabricated anti-seismic anchor rod retaining wall, construction procedure are:
Step 1: slope excavating:It removes scar and loosens stone, leveling wall back slope face using excavation by troughs, and is arranged interim Support;
Step 2: construction lofting:Alignment is measured, and makes center line, the baseline stake of column 22 is made, accurately makes earth-retaining The position of wall and elevation determine the position of each anchor hole;
Step 3: drilling:Impact drill or rotation are used according to the hole of construction drawing defined position, aperture, length and gradient Drilling after being drilled into the depth pore-forming of requirement, with high-pressure blast borehole cleaning, hole inner wall and root residual roach is removed clean;
Step 4: fixing anchor bar 25:By the insertion drilling that anchor pole 25 is straight, after anchor pole 25 installs, using gravity The method being combined with pressure grouting of being in the milk fills paddle, must not be tapped during grouting, shake anchor pole 25;
Step 5: earth-retaining wall positions:Load-bearing exterior wall 21 and shock-resistant exterior wall 31 are spaced apart positioning side by side, when positioning, Make loaded filter 1 and wall back of the body backfill simultaneously, column 22 is corresponding with the position of anchor pole 25;
Step 6: wall connecting:Connecting rod 34 is connected with the threaded hole of universal joint 5, by 5 other end of universal joint Bolt 6 be mounted in laterally attached hole, and tightening nuts;
Step 7: wall is filled:Scene carries out casting concrete to load bearing wall body 23, and filling can into shock-resistant exterior wall 31 Flow filler, filled bitumen flax silk or cohesive soil in the connecting sewing of breast boards 2 and shock-proof plate 3, end polyurethane seal Glue seals, and step completes remaining shock-proof plate 3 and the connection of breast boards 2 and the filling of seam according to this;
Step 8: anchor rod anchored:After the completion of waiting for that all breast boards 2 are constructed with shock-proof plate 3, anchor pole 25 and column 22 are carried out Welding anchoring.
The present invention is exemplarily described above in conjunction with attached drawing, it is clear that the present invention implements not by aforesaid way Limitation, as long as the improvement of the various unsubstantialities of inventive concept and technical scheme of the present invention progress is used, or without changing Other occasions are directly applied to by the design of the present invention and technical solution, within protection scope of the present invention.This hair Bright protection domain should be determined by the scope of protection defined in the claims.

Claims (5)

1. a kind of novel fabricated anti-seismic anchor rod retaining wall, it is characterised in that:Including earth-retaining wall and loaded filter, the loaded filter It is arranged at the back side of earth-retaining wall, earth-retaining wall includes n breast boards and (n-1) a shock-proof plate, breast boards and shock-proof plate interval Arrangement, is equipped with connection component between shock-proof plate and breast boards, seam filler, antidetonation are filled between breast boards and shock-proof plate Several two way dampers are equipped in plate, two way damper vertically arranges, and is arranged two-by-two in angle between two way damper, Two way damper is used to offset the active force of different directions between breast boards and shock-proof plate.
2. novel fabricated anti-seismic anchor rod retaining wall according to claim 1, it is characterised in that:The breast boards includes holding Weight exterior wall, load-bearing exterior wall are No.1 premade shells, and the middle part of load-bearing exterior wall is vertically provided with column, load-bearing exterior wall it is interior Portion is equipped with load bearing wall body, and the both sides of load-bearing exterior wall are additionally provided with laterally attached hole, and load-bearing exterior wall is equipped with several drain holes, lets out Water hole is through load bearing wall body and load-bearing exterior wall, and the outlet of drain hole tilts down, and column is equipped with several anchor poles, anchor pole edge Vertical arrangement, and sequentially pass through column, load-bearing exterior wall and load bearing wall body and extend outwardly.
3. novel fabricated anti-seismic anchor rod retaining wall according to claim 2, it is characterised in that:The anchor pole be reinforcing bar or Steel strand wires, anchor pole tilt down, and with horizontal plane at 15 °~20 ° angles.
4. novel fabricated anti-seismic anchor rod retaining wall according to claim 1, it is characterised in that:The shock-proof plate includes anti- Exterior wall is shaken, shock-resistant exterior wall is No. two premade shells, and the both sides of shock-resistant exterior wall are equipped with several antidetonation connecting holes, shock resistant damping group The both ends of part are protruding by antidetonation connecting hole, and filler is filled between shock-resistant exterior wall and shock resistant damping component.
5. a kind of construction method of novel fabricated anti-seismic anchor rod retaining wall as described in any one of claim 1-4, special Sign is, includes the following steps:
Step 1: slope excavating:It removes scar and loosens stone, using excavation by troughs, and interim branch is arranged in leveling wall back slope face Support;
Step 2: construction lofting:Alignment is measured, and makes center line, the baseline stake of column is made, accurately makes the position of retaining wall It sets and elevation, determines the position of each anchor hole;
Step 3: drilling:It is bored using impact drill or rotary drilling according to the hole of construction drawing defined position, aperture, length and gradient Hole after being drilled into the depth pore-forming of requirement, hole inner wall and root residual roach is removed clean;
Step 4: fixing anchor bar:By the insertion drilling that anchor pole is straight, after waiting for rockbolt installation, using gravity grouting and pressure The method being combined of being in the milk fills paddle, must not be tapped during grouting, shake anchor pole;
Step 5: earth-retaining wall positions:Load-bearing exterior wall and shock-resistant exterior wall are spaced apart positioning side by side, when positioning, while being made instead Filtering layer and wall back of the body backfill, column are corresponding with the position of anchor pole;
Step 6: wall connecting:Connecting rod is connected with the threaded hole of universal joint, the bolt of the universal joint other end is pacified In laterally attached hole, and tightening nuts;
Step 7: wall is filled:Scene carries out casting concrete to load bearing wall body, and filling can flow filling into shock-resistant exterior wall Object, filled bitumen flax silk or cohesive soil, end are sealed with polyurethane sealant in the connecting sewing of breast boards and shock-proof plate, according to this Step completes the connection of remaining shock-proof plate and breast boards and the filling of seam;
Step 8: anchor rod anchored:Wait for that with after the completion of shock-proof plate construction, welding anchoring is carried out to anchor pole and column for all breast boards.
CN201810103743.XA 2018-02-01 2018-02-01 assembled anti-seismic anchor rod retaining wall and construction method thereof Active CN108360556B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113832991A (en) * 2021-08-20 2021-12-24 上海市政工程设计研究总院(集团)有限公司 Reverse construction method of pile plate wall
CN114665424A (en) * 2022-03-30 2022-06-24 江苏万奇电器集团有限公司 High-toughness bridge structure with shock resistance

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205171720U (en) * 2015-10-17 2016-04-20 山东路达试验仪器有限公司 Shock mitigation system
CN205557535U (en) * 2016-03-31 2016-09-07 浙江交工路桥建设有限公司 Compound retaining wall of arch campshed formula

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205171720U (en) * 2015-10-17 2016-04-20 山东路达试验仪器有限公司 Shock mitigation system
CN205557535U (en) * 2016-03-31 2016-09-07 浙江交工路桥建设有限公司 Compound retaining wall of arch campshed formula

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113832991A (en) * 2021-08-20 2021-12-24 上海市政工程设计研究总院(集团)有限公司 Reverse construction method of pile plate wall
CN114665424A (en) * 2022-03-30 2022-06-24 江苏万奇电器集团有限公司 High-toughness bridge structure with shock resistance

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