CN110258514B - Steel guide wall for underground continuous wall and construction method thereof - Google Patents
Steel guide wall for underground continuous wall and construction method thereof Download PDFInfo
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Abstract
The invention relates to a steel guide wall for an underground continuous wall and a construction method thereof, belonging to the technical field of underground continuous walls.
Description
Technical Field
The invention relates to the technical field of underground continuous walls, in particular to a steel guide wall for an underground continuous wall and a construction method thereof.
Background
The underground continuous wall is characterized in that a long and narrow deep groove is excavated on the ground along the peripheral axis of a deep excavation project under the condition of slurry wall protection, a reinforcement cage is hung in the groove after the groove is cleared, then underwater concrete is poured by a conduit method to build a unit groove section, and the process is carried out section by section, so that a continuous reinforced concrete wall body built underground is used as a water intercepting, seepage preventing, bearing and retaining structure. Before grooving, a guide wall is generally constructed, and the guide wall usually bears the dynamic and static loads of a reinforcement cage, a guide pipe for pouring concrete, a drilling machine and the like, so that the guide wall is the key for ensuring the accurate position and grooving quality of the underground continuous wall.
In the prior art, the construction steps of the guide wall of the underground continuous wall are as follows: firstly, leveling the land, measuring the position, then excavating grooves, binding reinforcing steel bars to form a reinforcing cage, then erecting a guide wall template, then pouring concrete and maintaining, and removing the template after the concrete is hardened.
The above prior art solutions have the following drawbacks: when the concrete guide wall is poured, formwork erecting, reinforcing steel bar binding, concrete pouring and concrete curing are needed, so that the construction period of the whole guide wall is long.
Disclosure of Invention
One of the objects of the present invention is to provide a steel guide wall for an underground diaphragm wall, which can shorten the construction period.
One of the technical purposes of the invention is realized by the following technical scheme:
a steel guide wall for an underground continuous wall comprises a guide groove arranged on the ground, steel guide plates are arranged on two opposite sides of the guide groove and comprise vertical panels and horizontal panels, the vertical panels are fixedly connected with the horizontal panels and arranged in an L shape, the vertical panels are abutted to the inner walls of the guide groove, the horizontal panels are abutted to the ground, a plurality of positioning assemblies used for tightly attaching the vertical panels to the inner walls of the guide groove are arranged between the two vertical panels, a plurality of vertical joint pipes are inserted into the guide groove, the diameter of each joint pipe is equal to the distance between the two steel guide plates, the distance between every two adjacent joint pipes is 5-8 m, a group of positioning assemblies are arranged between every two joint pipes and comprise positioning screw sleeves and two positioning screw rods, the rotating directions of the threads of the two positioning screw rods are opposite, and the two positioning screw rods which are collinear are in threaded connection with the positioning screw sleeves, the end parts of the two positioning screw rods departing from the positioning threaded sleeves are abutted to the vertical panel.
Through the technical scheme, during construction, the guide groove is dug on the ground, the vertical panels are placed in the guide groove, the vertical panels are tightly attached to the inner wall of the guide groove, the horizontal panels are abutted against the ground, the steel guide plate is hung at the position of the notch of the guide groove, the positioning assembly is installed between the two vertical panels, the two vertical panels are relatively fixed, the stability of the steel guide plate is improved, and the two steel guide plates form the steel guide wall, compared with the guide wall formed by the pouring method in the prior art, the steel guide plate does not need to stand up a template and pour concrete, and does not need to wait for hardening of the concrete, so that the construction steps are reduced, the construction period can be greatly shortened, the traditional concrete guide wall is difficult to recycle after the construction of the underground continuous wall is finished, and the engineering investment is saved, the economic benefit is obvious, the formation of the construction waste of the concrete guide wall can be avoided, and the method has the advantages of energy conservation, consumption reduction and low-carbon construction. Underground continuous wall adopts the mode of segmentation pouring, the position of pouring at every turn is between two joint pipes, and will correspond the locating component between two joint pipes and demolish before pouring, the mode of segmentation pouring can prevent the inhomogeneous phenomenon of subsiding that the large tracts of land construction leads to, effectively prevented underground continuous wall crack, and simultaneously, one section underground continuous wall is pour and is accomplished the back, demolish the joint pipe and then continue to pour next section, the setting up of joint pipe makes the connection compactness of adjacent two sections underground continuous wall better, and then the wholeness of underground continuous wall has been improved. After installing the steel guide plate, utilize locating component to fix two vertical panels, specific fixed mode is: the positioning threaded sleeve is rotated, the positioning threaded sleeve drives the two positioning screws to be away from each other, the end portions of the positioning screws are abutted to the vertical panel, the positioning screws are enabled to be stable through self-locking of threads, the positioning screws can support the steel guide plate, and installation stability of the steel guide plate is improved.
The invention is further configured to: the end part of the positioning screw rod, which deviates from the positioning threaded sleeve, is rotatably connected with a pressing plate, and the pressing plate is parallel to the vertical panel.
Through above-mentioned technical scheme, during fixed vertical panel, clamp plate and vertical panel butt to make the area of contact increase between positioning screw and the vertical panel, further improved vertical panel's installation stability.
The invention is further configured to: and a plurality of pressure grooves matched with the pressure plate are formed in the vertical panel.
Through above-mentioned technical scheme, when utilizing positioning screw to fix two vertical panels, the clamp plate is impressed in the indent to make the clamp plate can not take place relative slip with vertical panel, further improved positioning screw to vertical panel's fixed stability.
The invention is further configured to: the end part of the positioning screw rod, which deviates from the positioning threaded sleeve, is rotatably connected with a linkage plate, the end part of the linkage plate, which deviates from the positioning screw rod, is fixedly provided with a plurality of pressing rods opposite to the pressing grooves, and the end part of the pressing rods, which deviates from the linkage plate, is fixedly connected with the pressing plate.
Through the technical scheme, when needs are fixed to vertical panel, rotate the location swivel nut, the location swivel nut drives two positioning screw and deviates from the removal each other, and then drives two linkage boards and deviates from each other, and linkage boards drive a plurality of depression bars and the clamp plate is close to the indent simultaneously, finally makes the clamp plate impress in the indent, consequently can accomplish the multiple spot fixed simultaneously when fixing vertical panel, has improved the convenience and the efficiency of construction greatly.
The invention is further configured to: and a rubber buffer layer is fixedly arranged on one side of the pressing plate, which faces the pressing groove.
Through above-mentioned technical scheme, when the indent was impressed to the clamp plate, the buffer layer had better elasticity with the tank bottom butt of indent, the buffer layer of rubber material, consequently at the in-process of concreting with shaping underground continuous wall, reduced the rigidity impact that the steel guide received, improved underground continuous wall's shaping stability.
The invention is further configured to: and locking nuts are in threaded connection with the positioning screw rods on two sides of the positioning screw sleeve.
Through above-mentioned technical scheme, rotate the location swivel nut and make the clamp plate of positioning screw rod tip impress behind the indent for lock nut is rotated again to lock nut's terminal surface and the tip butt of location swivel nut, lock nut can further improve positioning screw rod's locking ability of moving, and then has improved the firm degree after vertical panel is fixed.
The invention is further configured to: one side of the horizontal panel close to the vertical panel is fixedly provided with a plurality of triangular reinforcing steel plates.
Through above-mentioned technical scheme, consolidate the steel sheet and can consolidate in the hookup location department of horizontal panel and vertical panel for the bulk rigidity of whole steel guide further improves.
The invention is further configured to: the distance between the adjacent reinforced steel plates is 1m-1.5 m.
Through the technical scheme, the distance between the plurality of reinforcing steel plates is 1m-1.5m, so that the stability of the connecting position of the horizontal panel and the vertical panel is higher, the number of the reinforcing steel plates is not too many, and unnecessary material waste is reduced while the integral rigidity of the steel guide plate is ensured.
The second purpose of the invention is to provide a construction method of the steel guide wall for the underground continuous wall, which can achieve the effect of shortening the construction period.
The second technical purpose of the invention is realized by the following technical scheme:
a construction method of a steel guide wall for an underground continuous wall comprises the following steps:
s1, finishing the construction platform: before the construction of the underground continuous wall, a construction platform is built by a backhoe along the axis of the underground continuous wall, the construction platform is leveled, compaction equipment is adopted for compaction, the soil body in the range of the guide wall is compacted, and the groove collapse is prevented;
s2, measurement lofting: measuring the axis and the elevation of the underground continuous wall, and arranging a measuring marker post every 20m or so to meet the construction requirement of the guide groove digging;
s3, excavating a guide groove: determining the depth and width of the groove according to the thickness of the underground continuous wall, wherein the width of the groove is increased by 5cm-10cm according to the design wall thickness of the underground continuous wall;
s4, hoisting a steel guide plate; manufacturing a steel guide plate in advance, and hoisting and embedding the manufactured steel guide plate into the guide groove;
s5, reinforcing a steel guide plate: after the steel guide plate is placed in the guide groove, the pressing plate is pressed into the pressing groove to position the steel guide plate by rotating the positioning threaded sleeve, and the locking nut is screwed after the positioning is finished so that the locking nut is abutted to the end part of the positioning threaded sleeve;
s6, installing a joint pipe: a plurality of joint pipes are inserted between the two vertical panels, the joint pipes are uniformly arranged at intervals, and the diameter of each joint pipe is equal to the distance between the two vertical panels;
s7, casting the underground continuous wall in sections: the method comprises the following steps of forming the underground continuous wall in a segmented pouring mode, pouring between two joint pipes during each pouring, removing the joint pipes after pouring forming, and removing a positioning assembly between the two joint pipes before pouring;
s8, dismantling the steel guide plate: the steel guide plate is removed before the poured concrete is completely cured.
Through the technical scheme, the construction platform is firstly trimmed and the measurement and lofting are firstly carried out before the groove is dug, so that the construction precision and the construction quality of the guide groove are higher when the guide groove is dug, the groove width of the guide groove is 5-10cm wider than the designed wall thickness of the underground continuous wall, the guide groove has certain construction allowance, the wall thickness of the underground continuous wall is ensured not to be reduced, the steel guide plates are reinforced by utilizing the positioning assembly after the steel guide plates are initially installed, the stability of the two steel guide plates is higher, therefore, the forming precision and the forming quality of the underground continuous wall can be improved in the process of pouring concrete to form the underground continuous wall, a sectional pouring method is adopted during pouring, the phenomenon of uneven settlement caused by large-area construction can be effectively prevented, the underground continuous wall is effectively prevented from cracking, and meanwhile, the joint pipe is arranged to ensure that the connection tightness of two adjacent sections of underground continuous, and the integrity of the underground continuous wall is improved, and the steel guide plate is detached after the underground continuous wall is poured, so that the steel guide plate can be recycled, energy is saved, the environment is protected, and the cost is reduced.
In conclusion, the beneficial technical effects of the invention are as follows:
1. the two steel guide plates are adopted to form the steel guide wall, so that complicated processes of binding a reinforcement cage, pouring concrete, maintaining and the like are not needed during construction of the guide wall, the construction period is greatly shortened, the steel guide plates can be recycled, the generation of construction waste is reduced, and the construction cost is reduced;
2. the positioning assembly is arranged, so that the connection stability between the two steel guide plates is higher, and the forming quality of the underground continuous wall is higher when the underground continuous wall is poured;
3. through the linkage plate fixedly connected with the positioning screw rod and the pressing rods and the pressing plates fixedly connected with the linkage plate, the two steel guide plates can complete multi-point fixing operation simultaneously, and construction efficiency is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a partially exploded schematic view intended to emphasize the positioning of the assembly;
fig. 4 is a partially enlarged schematic view of a portion a of fig. 3.
Reference numerals: 1. a guide groove; 2. a steel guide plate; 21. a vertical panel; 211. Pressing a groove; 22. a horizontal panel; 221. reinforcing the steel plate; 3. a positioning assembly; 31. positioning a screw rod; 311. a linkage plate; 312. a pressure lever; 313. pressing a plate; 314. a buffer layer; 315. Locking the nut; 32. positioning threaded sleeves; 4. and (4) a joint pipe.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1
The utility model provides a steel guide wall that underground continuous wall used, as shown in figure 1, including seting up in subaerial guide slot 1, be provided with steel baffle 2 in the guide slot 1, steel baffle 2 includes fixed vertical panel 21 and the horizontal panel 22 that links to each other, vertical panel 21 and horizontal panel 22 mutually perpendicular just are L shape, vertical panel 21 and the inner wall butt of guide slot 1, horizontal panel 22 and ground butt are provided with the multiunit between two adjacent vertical panel 21 and are used for the locating component 3 with the two is fixed. The steel guide plate 2 is used for replacing the traditional guide wall formed by pouring concrete, so that a large number of working procedures are omitted during construction, steel bar binding and concrete pouring are not needed, the construction period is greatly shortened, and the steel guide plate 2 can be recycled as the guide wall without generating construction waste, and has the advantages of energy conservation, environmental protection, cost reduction, low-carbon construction and the like.
The vertical panel 21 and the horizontal panel 22 are welded and connected in a manual argon arc welding mode, the vertical panel 21 and the horizontal panel 22 are consistent in thickness and are made of steel plates with the thickness of 20mm-40mm, and the steel guide plate 2 supported by the steel plates with the thickness of 20mm is preferred in the embodiment.
Referring to fig. 2 and 4, the positioning assembly 3 includes two positioning screws 31 and two positioning screw sleeves 32, the two positioning screws 31 of each positioning assembly 3 are arranged in a collinear manner, the thread turning directions of the two positioning screws 31 are opposite, the two positioning screws 31 are both in threaded connection with the positioning screw sleeves 32, when the positioning screw sleeves 32 are rotated, the two positioning screws 31 can be driven to approach or separate from each other, the end portions of the positioning screws 31 departing from the positioning screw sleeves 32 are rotatably connected with a linkage plate 311, the linkage plate 311 is parallel to the vertical panel 21 during installation, one side of the linkage plate 311 departing from the positioning screws 31 is fixedly provided with a plurality of compression bars 312, the compression bars 312 are parallel to the positioning screws 31, the end portion of each compression bar 312 departing from the linkage plate 311 is fixedly connected with a compression plate 313, one side of the compression plate 313 departing from the compression bars 312 is bonded with a buffer layer 314 made of rubber material, the vertical panel 21 is, a lock nut 315 is threadedly connected to the positioning screw 31. After placing steel guide plate 2 as required, utilize locating component 3 to fix a position two steel guide plate 2, concrete process is: the positioning component 3 is placed into the guide groove 1, then the positioning threaded sleeve 32 is rotated, the positioning threaded sleeve 32 drives the two positioning screws 31 to be away from each other, so that the linkage plate 311 is driven to move towards the direction of the inner wall close to the guide groove 1, the linkage plate 311 drives the pressing plates 313 to be pressed into the pressing groove 211 at the same time, then the locking nut 315 is screwed to abut against the end part of the positioning threaded sleeve 32, and therefore the positioning screws 31 cannot be easily loosened, and the positioning stability of the steel guide plate 2 is improved.
As shown in fig. 2, a plurality of vertical joint pipes 4 are inserted into the guide groove 1, the diameter of each joint pipe 4 is equal to the distance between two steel guide plates 2, the distance between two adjacent joint pipes 4 is 5m-8m, and a group of positioning components 3 is arranged between every two joint pipes 4, the underground continuous wall adopts a sectional pouring mode, the position of each pouring is arranged between the two joint pipes 4, and the positioning components 3 between the two corresponding joint pipes 4 are dismantled before pouring, the phenomenon of uneven settlement caused by large-area construction can be prevented by adopting a sectional pouring mode, the cracks of the underground continuous wall are effectively prevented, meanwhile, after one section of underground continuous wall is poured, the joint pipe 4 is dismantled and then the next section of underground continuous wall is continuously poured, and the joint pipe 4 enables the connection tightness of two adjacent sections of underground continuous walls to be better, so that the integrity of the underground continuous wall is improved.
The implementation principle of the embodiment is as follows: during construction, firstly, the vertical panel 21 of the steel guide plate 2 is placed in the guide groove 1 and abutted against the inner wall of the guide groove 1, meanwhile, the horizontal panel 22 is abutted against the ground, then, the positioning threaded sleeve 32 is rotated, so that the positioning screw 31 drives the pressing plate 313 to be pressed into the pressing groove 211, and then, the locking nut 315 is screwed, so that the locking nut 315 is abutted against the end face of the positioning threaded sleeve 32, and the positioning threaded sleeve 32 is locked and fixed; the setting of multiunit locating component 3 makes steel guide 2's stability higher, before the concreting, inserts the joint pipe 4 inside the guide slot 1 and with two vertical panel 21 butts, then carries out the segmentation and pours in order to form underground continuous wall. The steel guide plate 2 is adopted to replace a concrete guide wall, so that the construction period is greatly shortened, the generation of construction waste is reduced, the environment is protected, the carbon is low, and the cost is greatly reduced.
Example 2
A construction method of a steel guide wall for an underground continuous wall comprises the following steps:
s1, finishing the construction platform: before the construction of the underground continuous wall, a construction platform is built by a backhoe along the axis of the underground continuous wall, the construction platform is leveled, compaction equipment is adopted for compaction, the soil body in the range of the guide wall is compacted, and the groove collapse is prevented;
s2, measurement lofting: measuring the axis and the elevation of the underground continuous wall, and arranging a measuring marker post every 20m or so to meet the construction requirement of the guide groove digging;
s3, excavating a guide groove 1: determining the depth and width of the groove of the guide groove 1 according to the thickness of the underground continuous wall, wherein the width of the groove of the guide groove 1 is increased by 5cm-10cm according to the design wall thickness of the underground continuous wall;
s4, hoisting the steel guide plate 2; manufacturing a steel guide plate 2 in advance, and hoisting and embedding the manufactured steel guide plate 2 into the guide groove 1;
s5, reinforcing the steel guide plate 2: after the steel guide plate 2 is placed in the guide groove 1, the pressing plate 313 is pressed into the pressing groove 211 to position the steel guide plate 2 by rotating the positioning threaded sleeve 32, and after the positioning is finished, the locking nut 315 is screwed to enable the locking nut 315 to be abutted to the end part of the positioning threaded sleeve 32;
s6, installing the joint pipe 4: a plurality of joint pipes 4 are inserted between the two vertical panels 21, the joint pipes 4 are uniformly arranged at intervals, and the diameter of each joint pipe 4 is equal to the distance between the two vertical panels 21;
s7, casting the underground continuous wall in sections: the underground continuous wall is formed in a sectional pouring mode, pouring is carried out between the two joint pipes 4 during each pouring, the joint pipes 4 are removed after the pouring forming is carried out, and the positioning assemblies 3 between the two joint pipes 4 are removed before the pouring;
s8, dismantling the steel guide plate 2: the steel guide plate 2 is removed before the poured concrete has completely cured.
The construction platform is firstly trimmed and measured for lofting before grooving, so that the construction precision and the construction quality of the guide groove 1 are higher when the guide groove 1 is excavated, the groove width of the guide groove 1 is 5-10cm wider than the designed wall thickness of the underground continuous wall, the guide groove 1 has certain construction allowance, the wall thickness of the underground continuous wall can not be reduced, the steel guide plates 2 are reinforced by the positioning components 3 after the steel guide plates 2 are initially installed, the stability of the two steel guide plates 2 is higher, therefore, the forming precision and the forming quality of the underground continuous wall can be improved in the process of pouring concrete to form the underground continuous wall, a sectional pouring method is adopted during pouring, the phenomenon of uneven settlement caused by large-area construction can be effectively prevented, cracks of the underground continuous wall are effectively prevented, and meanwhile, the connection tightness of two adjacent sections of underground continuous walls is better due to the arrangement of the joint pipes 4, and then the integrity of the underground continuous wall is improved, and the steel guide plate 2 is dismantled after the underground continuous wall is poured, so that the steel guide plate 2 can be recycled, energy is saved, the environment is protected, and the cost is reduced.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (7)
1. The utility model provides a wall is led to steel that underground continuous wall used, includes opens in subaerial guide slot (1), its characterized in that: the steel guide plates (2) are arranged on two opposite sides of the guide groove (1), each steel guide plate (2) comprises a vertical panel (21) and a horizontal panel (22), each vertical panel (21) is fixedly connected with the corresponding horizontal panel (22) and arranged in an L shape, the vertical panels (21) are abutted to the inner wall of the guide groove (1), the horizontal panels (22) are abutted to the ground, a plurality of positioning assemblies (3) used for enabling the vertical panels (21) to be tightly attached to the inner wall of the guide groove (1) are arranged between the two vertical panels (21), a plurality of vertical joint pipes (4) are inserted into the guide groove (1), the diameter of each joint pipe (4) is equal to the distance between the two steel guide plates (2), the distance between every two adjacent joint pipes (4) is 5m-8m, a group of positioning assemblies (3) is arranged between every two joint pipes (4), each positioning assembly (3) comprises a positioning threaded sleeve (32) and two positioning screws (31), the screw thread of two positioning screw (31) is turned to the opposite direction, and two positioning screw (31) collineations and all with location swivel nut (32) threaded connection, the tip that deviates from location swivel nut (32) in two positioning screw (31) all with vertical panel (21) butt, the tip that deviates from location swivel nut (32) in positioning screw (31) rotates and is connected with clamp plate (313), and clamp plate (313) are parallel with vertical panel (21), positioning screw (31) have lock nut (315) at the both sides threaded connection of location swivel nut (32).
2. The steel guide wall for an underground diaphragm wall according to claim 1, wherein: the vertical panel (21) is provided with a plurality of pressing grooves (211) matched with the pressing plate (313).
3. The steel guide wall for an underground diaphragm wall according to claim 2, wherein: the end part of the positioning screw rod (31) departing from the positioning screw sleeve (32) is rotatably connected with a linkage plate (311), the end part of the linkage plate (311) departing from the positioning screw rod (31) is fixedly provided with a plurality of pressure rods (312) opposite to the pressure grooves (211), and the end part of the pressure rods (312) departing from the linkage plate (311) is fixedly connected with the pressure plate (313).
4. The steel guide wall for an underground diaphragm wall according to claim 3, wherein: and a rubber buffer layer (314) is fixedly arranged on one side of the pressing plate (313) facing the pressing groove (211).
5. The steel guide wall for an underground diaphragm wall according to claim 1, wherein: one side of the horizontal panel (22) close to the vertical panel (21) is fixedly provided with a plurality of triangular reinforcing steel plates (221).
6. The steel guide wall for the underground diaphragm wall as claimed in claim 5, wherein: the distance between the adjacent reinforcing steel plates (221) is 1m-1.5 m.
7. The steel guide wall for an underground diaphragm wall according to claim 1, wherein: the construction method comprises the following steps:
s1, finishing the construction platform: before the construction of the underground continuous wall, a construction platform is built by a backhoe along the axis of the underground continuous wall, the construction platform is leveled, compaction equipment is adopted for compaction, the soil body in the range of the guide wall is compacted, and the groove collapse is prevented;
s2, measurement lofting: measuring and releasing the axis and the elevation of the underground continuous wall, and arranging a measuring marker post every 20m or so to meet the construction requirement of grooving of the guide groove (1);
s3, excavating a guide groove (1): determining the depth and the width of the groove of the guide groove (1) according to the thickness of the underground continuous wall, wherein the width of the guide groove (1) is increased by 5cm-10cm according to the design wall thickness of the underground continuous wall;
s4, hoisting the steel guide plate (2); manufacturing a steel guide plate (2) in advance, and hoisting and embedding the manufactured steel guide plate (2) into the guide groove (1);
s5, reinforcing the steel guide plate (2): after the steel guide plate (2) is placed in the guide groove (1), the pressing plate (313) is pressed into the pressing groove (211) to position the steel guide plate (2) by rotating the positioning threaded sleeve (32), and the locking nut (315) is screwed to enable the locking nut (315) to be abutted to the end part of the positioning threaded sleeve (32) after the positioning is finished;
s6, installing the joint pipe (4): a plurality of joint pipes (4) are inserted between the two vertical panels (21), the joint pipes (4) are uniformly arranged at intervals, and the diameter of each joint pipe (4) is equal to the distance between the two vertical panels (21);
s7, casting the underground continuous wall in sections: the underground continuous wall is formed in a sectional pouring mode, pouring is carried out between the two joint pipes (4) during each pouring, the joint pipes (4) are removed after the pouring forming is carried out, and the positioning assembly (3) between the two joint pipes (4) is removed before the pouring;
s8, removing the steel guide plate (2): the steel guide plate (2) is removed before the poured concrete is completely cured.
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| CN201910480422.6A CN110258514B (en) | 2019-06-04 | 2019-06-04 | Steel guide wall for underground continuous wall and construction method thereof |
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| CN103276752A (en) * | 2013-06-20 | 2013-09-04 | 江苏城市职业学院 | Construction method of underground continuous wall expansive concrete joint |
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| CN206448113U (en) * | 2016-12-19 | 2017-08-29 | 中铁第五勘察设计院集团有限公司 | A kind of rail brace frame for urban track traffic Monolithic Track Bed Construction |
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| CN109778877A (en) * | 2019-03-20 | 2019-05-21 | 广东省源天工程有限公司 | Ground-connecting-wall is oriented to wall assembled stretching template |
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2019
- 2019-06-04 CN CN201910480422.6A patent/CN110258514B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR100722665B1 (en) * | 2007-03-15 | 2007-05-28 | 삼보지질 주식회사 | Steel guide wall for construction of underground diaphragm wall and construction method of underground diaphragm wall using the same |
| CN103276752A (en) * | 2013-06-20 | 2013-09-04 | 江苏城市职业学院 | Construction method of underground continuous wall expansive concrete joint |
| CN203559431U (en) * | 2013-11-15 | 2014-04-23 | 中国建筑股份有限公司 | Precast guide wall of underground diaphragm wall |
| CN206448113U (en) * | 2016-12-19 | 2017-08-29 | 中铁第五勘察设计院集团有限公司 | A kind of rail brace frame for urban track traffic Monolithic Track Bed Construction |
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