CN109235419A - Ke Xunhuanliyong steel diaphram wall unit and its construction method - Google Patents

Ke Xunhuanliyong steel diaphram wall unit and its construction method Download PDF

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Publication number
CN109235419A
CN109235419A CN201811278089.2A CN201811278089A CN109235419A CN 109235419 A CN109235419 A CN 109235419A CN 201811278089 A CN201811278089 A CN 201811278089A CN 109235419 A CN109235419 A CN 109235419A
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China
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steel
wallboard
diaphram wall
wall unit
construction
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CN201811278089.2A
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CN109235419B (en
Inventor
尹清锋
王春河
何文超
杨智麟
王剑非
杨涛
朱英伟
王太平
庞林
赵江
郝本峰
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China Construction Communications Engineering Group Co Ltd
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China Construction Communications Engineering Group Co Ltd
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    • 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
    • E02D5/02Sheet piles or sheet pile bulkheads
    • E02D5/03Prefabricated parts, e.g. composite sheet piles
    • E02D5/04Prefabricated parts, e.g. composite sheet piles made of steel
    • 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
    • E02D5/02Sheet piles or sheet pile bulkheads
    • E02D5/03Prefabricated parts, e.g. composite sheet piles
    • E02D5/04Prefabricated parts, e.g. composite sheet piles made of steel
    • E02D5/08Locking forms; Edge joints; Pile crossings; Branch pieces

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (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)
  • Working Measures On Existing Buildindgs (AREA)
  • Bulkheads Adapted To Foundation Construction (AREA)

Abstract

The invention discloses recyclable steel diaphram wall unit and its construction methods, the diaphragm wall unit is followed successively by socket end, changeover portion and insertion end from left to right, and socket end includes the first wallboard of two pieces of parallel intervals setting and the sealing rod that the first wallboard medial surface is arranged in;Changeover portion includes the second wallboard of two pieces of parallel intervals setting, vertical duct, baffle, steel box-girder, water barrier, jack and the connector barrier layer being arranged between two piece of second wallboard, baffle is vertically set between two piece of second wallboard, close to the left end of changeover portion, and connector barrier layer is arranged in baffle left side;Water barrier is laid in the second wallboard medial surface;It is provided with jack between the second wallboard of steel box-girder and top, is welded and fixed between the second wallboard of steel box-girder and lower part.Diaphragm wall element stiffness, strength and stability are preferable, improve construction quality and can be recycled, environmentally protective, and the construction period is short, and rolled steel dosage is greatly lowered, and reduces construction cost.

Description

Ke Xunhuanliyong steel diaphram wall unit and its construction method
Technical field
The present invention relates to foundation pit construction technical fields, especially Ke Xunhuanliyong steel diaphram wall unit and its construction Method.
Background technique
With the continuous improvement of the level of urbanization, urban issues are increasingly prominent, and Urban Underground Space Excavation, which utilizes, becomes solution Certainly one of the effective means of big city disease.At present when urban underground space excavation of foundation pit, building enclosure is divided into cast-in-place, precast reinforced Concrete structure and steel building enclosure.
At this stage technology there are the shortcomings that are as follows: first, monolithic reinforced concrete structure long construction period;Second, matter of constructing Amount not can guarantee;Third, processing cost is high during material, excavation of foundation pit and main structure construction are wasted in work progress;4th, Prefabricated reinforced concrete structure junction poor waterproof properties, differential settlement inclination more sensitive to building enclosure sediment thickness It is easy to cause deep pit monitor hidden danger;5th, there is narrow application range in existing steel building enclosure.
Summary of the invention
The object of the present invention is to provide recyclable steel diaphram wall unit and its construction methods, to solve cast-in-place The structure of reinforced concrete period is long, quality not can guarantee, wastes material and existing steel building enclosure narrow application range Problem.
To achieve the above object, the present invention adopts the following technical scheme: one aspect of the present invention offer is can be recycled Steel diaphram wall unit, the diaphragm wall unit are followed successively by socket end, changeover portion and insertion end from left to right,
The socket end includes the first wallboard of two pieces of parallel intervals setting and the sealing rod that the first wallboard medial surface is arranged in;
The changeover portion includes the second wallboard of two pieces of parallel intervals setting, vertically leading between two piece of second wallboard is arranged in Pipe, baffle, steel box-girder, water barrier, jack and connector barrier layer, the baffle is vertically set between two piece of second wallboard, Close to the left end of changeover portion, the connector barrier layer is arranged in baffle left side;Water barrier is laid on the inside of the second wallboard Face;It is provided with jack between the second wallboard of steel box-girder and top, is welded and fixed between the second wallboard of steel box-girder and lower part;Two pieces Pass through at least four spring bolt connections between second wallboard;
The insertion end includes third wallboard, baffle, steel box-girder, water barrier, jack and the connector of two pieces of parallel intervals setting Barrier layer, the baffle are vertically set between two blocks of third wallboards, close to the right-hand end of insertion end, the connector barrier layer It is arranged in baffle right side;Water barrier is laid in third wallboard medial surface;Thousand are provided between steel box-girder and top third wallboard Jin top, is welded and fixed between steel box-girder and lower part third wallboard.
Further, billet is additionally provided between jack at the top of steel box-girder;Billet is welded and fixed with jack, steel Backing plate is bolted with steel box-girder.
Further, the quantity of steel box-girder and vertical duct and the length of the second wallboard are adapted in changeover portion.
Further, vertical direction is connected by flanging between adjacent continuous wall unit;Pass through bolt at flanging connecting node Connection.
Further, horizontal direction is connected by insertion end with socket end cooperation between adjacent continuous wall unit;Insertion end Thickness of wall body and socket end thickness of wall body be adapted.
Further, water barrier and connector barrier layer are rubber cord.
Further, vertical duct both ends are provided with ring flange.
Further, through slot is provided in the middle part of baffle.
Further, sealing rod is water-swelling rubber water bar.
Further, jack is hydraulic jack.
Further, steel diaphram wall unit uses Modular design.
Further, deep floor is arranged in the corresponding steel box-girder position of hydraulic jack.
Another aspect of the present invention provides the construction method of above-mentioned recyclable steel diaphram wall unit, specific steps It is as follows:
It is continuous to make Ke Xunhuanliyong steel underground in factory process according to steel construction of diaphragm wall G- Design for step 1 Wall unit and its related component and fitting, are transported to construction site for material;
Step 2 flattens construction site, carries out consolidation process to soft stratum;
Step 3 measures unwrapping wire at the construction field (site), determines diaphram wall specific location;
Step 4, excavation leads wall groove, and applies and lead wall, leads wall using steel construction pattern and closes cyclization along foundation pit, instead of hat All steel diaphram wall units are linked to be entirety by beam;
Step 5, according to construction drawing design, under conditions of mud off, using grooving equipment milling slot, and clear bottom;
Step 6 is hung in steel diaphram wall unit merogenesis in slot using crane, and upper lower unit internode uses high strong spring It is bolted, top unit section and leading is connected using high-strength bolt between wall;
Step 7 is arranged mud in slot using concreting conduit as steel diaphram wall unit merogenesis is hung in slot Out;
Step 8, after steel diaphram wall unit is constructed, residual in cleaning concreting conduit, and using plain coagulation Grave bottom;
Step 9, construct next diaphram wall unit when, rear construction cell jack is first shunk, and is stretched again after entering slot completely It is long, lap position is carried out between two units to be held out against using jack;
Step 10 is iteratively repeated step 1 to step 9, completes the diaphram wall unit construction of entire foundation pit;
Step 11, in excavation of foundation pit, steel is arranged by steel corbel in steel diaphram wall external welding steel corbel on the inside of foundation pit Purlin and bracing members form support system;
Step 12, excavation of foundation pit finish, and by the jack in steel diaphram wall unit, diaphram wall is adjusted to Outside main structure bounds;
Step 13 when main structure waterproof construction, pastes one layer of flexible material again on the outside of main structure waterproof layer, avoids steel Structurally waterproof layer is damaged when diaphram wall processed is pulled out;
After step 14, main structure construction completion and intensity reach 100%, steel diaphram wall is pulled out.
Further, the step 14 when pulling out, by telescopic jack, guarantees that steel diaphram wall is smoothly extracted; Meanwhile by preset concreting conduit, the super high-early concrete of high fluidity is poured from bottom to top, promotes main structure Waterproof effect.
The beneficial effects of the present invention are embodied in:
1, recyclable steel diaphram wall unit disclosed by the invention and its construction method, with existing cast-in-place and pre-manufactured steel Tendon concrete structure is compared, and overcoming monolithic reinforced concrete structure long construction period, quality at this stage not can guarantee, wastes material The high problem of processing cost during material, excavation of foundation pit and main structure construction.Steel diaphram wall unit provided by the invention It is Ke Xunhuanliyong, it is environmentally protective, and the construction period is short, and rolled steel dosage is greatly lowered, and reduces construction cost.
2, recyclable steel diaphram wall unit disclosed by the invention and its construction method are gone along with sb. to guard him with existing steel Structure is compared, and prefabricated reinforced concrete structure junction poor waterproof properties are overcome, more sensitive to building enclosure sediment thickness, Differential settlement inclination be easy to cause deep pit monitor hidden danger and existing steel building enclosure to there are problems that narrow application range.This It is preferable to invent the steel diaphram wall element stiffness provided, strength and stability, improves construction quality, the scope of application is more Extensively.
3, recyclable steel diaphram wall unit disclosed by the invention and its construction method, the steel underground are continuous Wall element thickness is adjustable, avoids diaphram wall and invades limit, reduce time of post-processing, expense and caused by pollution;
4, recyclable steel diaphram wall unit disclosed by the invention and its construction method, when which recycles, Original position, which synchronizes, fills high flowing super high-early concrete, improves the waterproof effect of underground structure.
5, recyclable steel diaphram wall unit disclosed by the invention and its construction method, structure setting rationally, Changeover portion can be arranged according to actual demand, and construction is flexible and convenient.
Other features and advantages of the present invention will be illustrated in the following description, and partly becomes from specification It is clear that understand through the implementation of the invention.The main object of the present invention and further advantage can be by specifications, power Specifically noted scheme is achieved and obtained in sharp claim.
Detailed description of the invention
The present invention will be further described in detail with reference to the accompanying drawing.
Fig. 1 is that steel diaphram wall unit main view can be recycled in embodiment 1 provided by the invention;
Fig. 2 is that steel diaphram wall unit top view can be recycled in embodiment 1 provided by the invention;
Fig. 3 is the normal width range side view of 1 diaphragm wall unit of embodiment provided by the invention;
Fig. 4 is the portion the A enlarged drawing of Fig. 3;
Fig. 5 is that recyclable steel diaphram wall unit top and the bottom provided by the invention connect thin portion schematic diagram.
Fig. 6 is fractionation structural representation of the present invention.
Appended drawing reference: the first wallboard of 1-, the second wallboard of 2-, 3- steel box-girder, 4- jack, 5- vertical duct, 6- water barrier, 7- sealing rod, 8- ring flange, 9- billet, 10- spring bolt, 11- baffle, 12- bolt, 13- connector barrier layer, 14- third Wallboard, 15- socket end, 16- changeover portion, 17- insertion end.
Specific embodiment
Carry out the technical solution that the present invention will be described in detail by the following examples, embodiment below is only exemplary, It is only capable of for explanation and illustration technical solution of the present invention, and the limitation to technical solution of the present invention cannot be construed to.
Embodiment 1, as shown in Figure 1, one aspect of the present invention provides recyclable steel diaphram wall unit, The diaphragm wall unit is followed successively by socket end 15, changeover portion 16 and insertion end 17 from left to right, and the socket end 15 includes two pieces flat First wallboard 1 of row interval setting and the water-swelling rubber water bar 7 that 1 medial surface of the first wallboard is set.First wallboard 1 is left End is preset with 12 hole of bolt, for the connection between each upper lower unit.
With further reference to shown in Fig. 6, the changeover portion 16 includes that the second wallboard 2 of two pieces of parallel intervals setting, setting exist Vertical duct 5, baffle 11, steel box-girder 3, water barrier 6, hydraulic jack 4 and connector barrier layer between two piece of second wallboard 2 13, the baffle 11 is vertically set between two piece of second wallboard 2, close to the left end of changeover portion 16, and the connector stops Layer 13 is arranged in 11 left side of baffle;Through slot is provided in the middle part of baffle 11.Water barrier 6 is laid in 2 medial surface of the second wallboard;Steel case It is provided with hydraulic jack 4 between beam 3 and the second wallboard of top 2, is welded and fixed between steel box-girder 3 and the second wallboard of lower part 2;Two It is fixedly connected between the second wallboard of block 2 by least four spring bolts 10.
The insertion end 17 include two pieces of parallel intervals setting third wallboard 14, baffle 11, steel box-girder 3, water barrier 6, Hydraulic jack 4 and connector barrier layer 13, the baffle 11 are vertically set between two blocks of third wallboards 14, close to insertion end 17 Right-hand end, the connector barrier layer 13 is arranged in 11 right side of baffle;Through slot is provided in the middle part of baffle 11.Water barrier 6 applies It is located at 14 medial surface of third wallboard;Hydraulic jack 4 is provided between steel box-girder 3 and top third wallboard 14, steel box-girder 3 is under It is welded and fixed between portion's third wallboard 14.Water barrier 6 and connector barrier layer 13 all can be have rubber cord flexible, rubber Cord is connected with baffle 11, and can adjust and stretch with diaphram wall thickness.5 both ends of vertical duct are provided with ring flange 8.The The end of three wallboards 14 is provided with 12 hole of bolt, for the connection between each upper lower unit.
As shown in Fig. 2, being additionally provided with billet 9 between 3 top of steel box-girder and hydraulic jack 4;Billet 9 and hydraulic thousand Jin top 4 is welded and fixed.12 hole of bolt is reserved on steel box-girder 3 and billet 9, billet 9 is connect with steel box-girder 3 by bolt 12. Deep floor is arranged in corresponding 3 position of steel box-girder of hydraulic jack 4.Steel diaphram wall unit thickness of wall body can be by hydraulic Jack 4 is adjusted.
Steel diaphram wall unit uses Modular design.As shown in Figure 3 and Figure 4, a width diaphram wall unit it Between vertical direction pass through flanging connect;It is connected at flanging connecting node using bolt 12, while the first wallboard 1 and third wallboard 14 It is held out against after overlap joint by hydraulic jack 4.Steel diaphram wall element stiffness, strength and stability are preferable.With further reference to Fig. 5 Shown, horizontal direction is connected by insertion end 17 with the cooperation of socket end 15 between adjacent continuous wall unit;The wall of insertion end 17 The thickness of wall body of body thickness and socket end 15 is adapted.
The construction method of above-mentioned recyclable steel diaphram wall unit, the specific steps are as follows:
It is continuous to make Ke Xunhuanliyong steel underground in factory process according to steel construction of diaphragm wall G- Design for step 1 Wall unit and its related component and fitting, are transported to construction site for material;
Step 2 flattens construction site, carries out consolidation process to soft stratum;
Step 3 measures unwrapping wire at the construction field (site), determines diaphram wall specific location;
Step 4, excavation leads wall groove, and applies and lead wall, leads wall using steel construction pattern and closes cyclization along foundation pit, instead of hat All steel diaphram wall units are linked to be entirety by beam;
Step 5, according to construction drawing design, under conditions of mud off, using grooving equipment milling slot, and clear bottom;
Step 6 is hung in steel diaphram wall unit merogenesis in slot using crane, and upper lower unit internode uses high strong spring Bolt 10 connects, and top unit section and leading is connected using high-strength bolt 12 between wall;
Step 7 is arranged mud in slot using concreting conduit as steel diaphram wall unit merogenesis is hung in slot Out;
Step 8, after steel diaphram wall unit is constructed, residual in cleaning concreting conduit, and using plain coagulation Grave bottom;
Step 9, construct next diaphram wall unit when, rear construction cell jack 4 is first shunk, after entering slot completely again It extends, lap position is carried out between two units and is held out against using jack 4;
Step 10 is iteratively repeated step 1 to step 9, completes the diaphram wall unit construction of entire foundation pit;
Step 11, in excavation of foundation pit, steel is arranged by steel corbel in steel diaphram wall external welding steel corbel on the inside of foundation pit Purlin and bracing members form support system;
Step 12, excavation of foundation pit finish, and by the jack 4 in steel diaphram wall unit, diaphram wall is adjusted To outside main structure bounds;
Step 13 when main structure waterproof construction, pastes one layer of flexible material again on the outside of main structure waterproof layer, avoids steel Structurally waterproof layer is damaged when diaphram wall processed is pulled out;
After step 14, main structure construction completion and intensity reach 100%, steel diaphram wall is pulled out.When pulling out, pass through Telescopic jack 4 guarantees that steel diaphram wall is smoothly extracted;Meanwhile by preset concreting conduit, pour from bottom to top The super high-early concrete for building high fluidity promotes the waterproof effect of main structure.When steel diaphram wall recycles, conduit is everywhere Lower steel diaphragm wall is integrally extracted.
Steel diaphram wall unit can be recycled in embodiment 2, with embodiment 1, the difference is that, changeover portion 16 Interior steel box-girder 3 is adapted with the quantity of vertical duct 5 and the length of the second wallboard 2.Vertical duct 5 and the setting of the interval of steel box-girder 3, Increase the quantity of spring bolt 10 simultaneously.
Recyclable steel diaphram wall cellular construction setting provided by the invention rationally, changeover portion 16 can be according to Actual demand setting, construction are flexible and convenient.Construction method overcomes prefabricated reinforced concrete structure junction poor waterproof properties, right Building enclosure sediment thickness is more sensitive, and differential settlement inclination be easy to cause deep pit monitor hidden danger and existing steel to go along with sb. to guard him knot There is narrow application range in structure, and steel diaphram wall unit is Ke Xunhuanliyong, environmentally protective, and the construction period It is short, rolled steel dosage is greatly lowered, reduces construction cost.
The foregoing is merely the preferable specific embodiments of the present invention, but scope of protection of the present invention is not limited thereto, The change or replacement that anyone skilled in the art is expected in the technical scope disclosed by the present invention should all be contained Lid is within protection scope of the present invention.

Claims (10)

1. recyclable steel diaphram wall unit, it is characterised in that: the diaphragm wall unit is followed successively by undertaking from left to right (15), changeover portion (16) and insertion end (17) are held,
The socket end (15) includes first wallboard (1) of two pieces of parallel interval settings and is arranged in the first wallboard (1) medial surface Sealing rod (7);
The changeover portion (16) includes the second wallboard (2) of two pieces of parallel intervals setting, is arranged between two piece of second wallboard (2) Vertical duct (5), baffle (11), steel box-girder (3), water barrier (6), jack (4) and connector barrier layer (13), the baffle (11) it is vertically set between two piece of second wallboard (2), the left end close to changeover portion (16), the connector barrier layer (13) It is arranged in baffle (11) left side;Water barrier (6) is laid in the second wallboard (2) medial surface;Steel box-girder (3) and the second wallboard of top (2) it is provided between jack (4), is welded and fixed between steel box-girder (3) and the second wallboard of lower part (2);Two piece of second wallboard (2) Between pass through the connection of at least four spring bolts (10);
The insertion end (17) includes the third wallboard (14) of two pieces of parallel intervals setting, baffle (11), steel box-girder (3), water proof Layer (6), jack (4) and connector barrier layer (13), the baffle (11) are vertically set between two pieces of third wallboards (14), lean on The right-hand end of nearly insertion end (17), the connector barrier layer (13) are arranged in baffle (11) right side;Water barrier (6) is laid in Third wallboard (14) medial surface;Be provided between steel box-girder (3) and top third wallboard (14) jack (4), steel box-girder (3) with It is welded and fixed between lower part third wallboard (14).
2. Ke Xunhuanliyong steel diaphram wall unit as described in claim 1, which is characterized in that at the top of steel box-girder (3) Billet (9) are additionally provided between jack (4);Billet (9) is welded and fixed with jack (4), billet (9) and steel case Beam (3) is connected by bolt (12).
3. Ke Xunhuanliyong steel diaphram wall unit as described in claim 1, which is characterized in that changeover portion (16) interior steel The length of the quantity and the second wallboard (2) of box beam (3) and vertical duct (5) is adapted.
4. Ke Xunhuanliyong steel diaphram wall unit as described in claim 1, which is characterized in that adjacent continuous wall unit Between vertical direction pass through flanging connect;It is connected at flanging connecting node by bolt (12).
5. Ke Xunhuanliyong steel diaphram wall unit as described in claim 1, which is characterized in that adjacent continuous wall unit Between horizontal direction cooperated by insertion end (17) and socket end (15) and be connected;The thickness of wall body and socket end of insertion end (17) (15) thickness of wall body is adapted.
6. steel diaphram wall unit can be recycled as described in claim 1, which is characterized in that water barrier (6) and connect Head barrier layer (13) is rubber cord.
7. Ke Xunhuanliyong steel diaphram wall unit as described in claim 1, which is characterized in that vertical duct (5) two End is provided with ring flange (8).
8. Ke Xunhuanliyong steel diaphram wall unit as described in claim 1, which is characterized in that set in the middle part of baffle (11) It is equipped with through slot.
9. the construction method of the recyclable steel diaphram wall unit as described in any one of claim 1-8, It is characterized in that, the specific steps are as follows:
It is continuous to make Ke Xunhuanliyong steel underground in factory process according to steel construction of diaphragm wall G- Design for step 1 Wall unit and its related component and fitting, are transported to construction site for material;
Step 2 flattens construction site, carries out consolidation process to soft stratum;
Step 3 measures unwrapping wire at the construction field (site), determines diaphram wall specific location;
Step 4, excavation leads wall groove, and applies and lead wall, leads wall using steel construction pattern and closes cyclization along foundation pit, instead of hat All steel diaphram wall units are linked to be entirety by beam;
Step 5, according to construction drawing design, under conditions of mud off, using grooving equipment milling slot, and clear bottom;
Step 6 is hung in steel diaphram wall unit merogenesis in slot using crane, and upper lower unit internode uses high strong spring Bolt (10) connection, top unit section and leading are connected using high-strength bolt (12) between wall;
Step 7 is arranged mud in slot using concreting conduit as steel diaphram wall unit merogenesis is hung in slot Out;
Step 8, after steel diaphram wall unit is constructed, residual in cleaning concreting conduit, and using plain coagulation Grave bottom;
Step 9, construct next diaphram wall unit when, rear construction cell jack (4) is first shunk, after entering slot completely It extends again, lap position is carried out between two units and is held out against using jack (4);
Step 10 is iteratively repeated step 1 to step 9, completes the diaphram wall unit construction of entire foundation pit;
Step 11, in excavation of foundation pit, steel is arranged by steel corbel in steel diaphram wall external welding steel corbel on the inside of foundation pit Purlin and bracing members form support system;
Step 12, excavation of foundation pit finish, by the jack (4) in steel diaphram wall unit, by diaphram wall tune Outside section to main structure bounds;
Step 13 when main structure waterproof construction, pastes one layer of flexible material again on the outside of main structure waterproof layer, avoids steel Structurally waterproof layer is damaged when diaphram wall processed is pulled out;
After step 14, main structure construction completion and intensity reach 100%, steel diaphram wall is pulled out.
10. the construction method of Ke Xunhuanliyong steel diaphram wall unit as claimed in claim 9, which is characterized in that institute Step 14 is stated, when pulling out, by telescopic jack (4), guarantees that steel diaphram wall is smoothly extracted;Meanwhile by preset Concreting conduit pours the super high-early concrete of high fluidity from bottom to top, promotes the waterproof effect of main structure.
CN201811278089.2A 2018-10-30 2018-10-30 Recyclable steel underground diaphragm wall unit and construction method thereof Active CN109235419B (en)

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CN110258531A (en) * 2019-06-04 2019-09-20 广州穗岩土木科技股份有限公司 The prefabricated forced diaphram wall of one kind and its construction method
CN113322937A (en) * 2021-05-18 2021-08-31 中建交通建设集团有限公司 Openable assembly type steel underground diaphragm wall and application method thereof
CN114808924A (en) * 2022-05-27 2022-07-29 中建交通建设集团有限公司 Construction method of assembled steel-concrete underground continuous wall

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CN110258531A (en) * 2019-06-04 2019-09-20 广州穗岩土木科技股份有限公司 The prefabricated forced diaphram wall of one kind and its construction method
CN110258531B (en) * 2019-06-04 2021-07-09 中冶地勘岩土工程有限责任公司 Prefabricated press-in type underground continuous wall and construction method thereof
CN113322937A (en) * 2021-05-18 2021-08-31 中建交通建设集团有限公司 Openable assembly type steel underground diaphragm wall and application method thereof
CN114808924A (en) * 2022-05-27 2022-07-29 中建交通建设集团有限公司 Construction method of assembled steel-concrete underground continuous wall
CN114808924B (en) * 2022-05-27 2023-04-14 中建交通建设集团有限公司 Construction method of assembled steel-concrete underground diaphragm wall

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