CN110424376A - I-shaped GFRP-i shaped steel joint structure and splicing cage and its construction method for diaphram wall - Google Patents
I-shaped GFRP-i shaped steel joint structure and splicing cage and its construction method for diaphram wall Download PDFInfo
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- CN110424376A CN110424376A CN201910819320.2A CN201910819320A CN110424376A CN 110424376 A CN110424376 A CN 110424376A CN 201910819320 A CN201910819320 A CN 201910819320A CN 110424376 A CN110424376 A CN 110424376A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 96
- 239000010959 steel Substances 0.000 title claims abstract description 96
- 238000010276 construction Methods 0.000 title claims abstract description 31
- 102100040287 GTP cyclohydrolase 1 feedback regulatory protein Human genes 0.000 claims abstract description 65
- 101710185324 GTP cyclohydrolase 1 feedback regulatory protein Proteins 0.000 claims abstract description 65
- 230000002787 reinforcement Effects 0.000 claims abstract description 57
- 210000002435 tendon Anatomy 0.000 claims abstract description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 28
- 230000003014 reinforcing effect Effects 0.000 claims description 15
- 229910052742 iron Inorganic materials 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 13
- 210000003205 muscle Anatomy 0.000 claims description 12
- 239000004567 concrete Substances 0.000 claims description 7
- 238000005266 casting Methods 0.000 claims description 6
- 239000002002 slurry Substances 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 239000000463 material Substances 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000009753 muscle formation Effects 0.000 abstract 1
- 238000009826 distribution Methods 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000011151 fibre-reinforced plastic Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/12—Restraining of underground water by damming or interrupting the passage of underground water
- E02D19/18—Restraining of underground water by damming or interrupting the passage of underground water by making use of sealing aprons, e.g. diaphragms made from bituminous or clay material
- E02D19/185—Joints between sheets constituting the sealing aprons
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/20—Bulkheads or similar walls made of prefabricated parts and concrete, including reinforced concrete, in situ
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The invention discloses a kind of I-shaped GFRP-i shaped steel joint structure, including i shaped steel and it is seamlessly connected with it and the matched I-shaped GFRP of size；Also disclose a kind of splicing cage for diaphram wall, splicing I-steel including two above-mentioned joint structures, two splicing I-steel wing plates by main reinforcement made from the GFRP tendons/intersected in length and breadth of connection or bar material, girder rib, scissors muscle formation GFRP cage, steel reinforcement cage and GFRP-steel reinforcement cage any one；Also disclose a kind of splicing cage construction method for diaphram wall, aim to solve the problem that ground-connecting-wall joint water-stagnating effect is poor at shield launching portal, originate the high technical problem of risk and Tunnel Boring tunnel line in the presence of wear during foundation pit enclosure structure ground-connecting-wall that difficulty of construction and risk are high, facilitate the technical problem of later maintenance difficulty.
Description
Technical field
The present invention relates to foundation pit enclosure structure constructions, underground continuous wall construction technique field, and in particular to a kind of I-shaped
GFRP-i shaped steel joint structure and splicing cage and its construction method for diaphram wall.
Background technique
With urban track traffic and the quickening of urban construction paces, city underground, high-speed rail, underground station and underground square
Equal infrastructures are more and more, and diaphram wall has also obtained extensive hair as building enclosure in base pit engineering Bracing Process
Exhibition application.Diaphram wall is by dedicated digging (punching) slot equipment, along underground structure or the periphery of structures, by predetermined
Position excavate out or drill provides the groove of one fixed width and depth, with mud off, and in slot setting have it is certain
The reinforcement cage structure of rigidity, then uses catheter irrigation underwater concrete, and section construction is allowed to be linked to be ground with specific process connector
Continuous reinforced concrete wall down.
The rapid development of municipal works in recent years, shield-tunneling construction have become the main construction method of Urban underground Tunnel.In
The ground-connecting-wall that shield launching passes through mostly uses greatly flexible joint, passes through in order to which cutterhead is directly cut, but flexible joint only
Water effect is poor, easily gushes mud, water burst, the risk for gushing sand in the excavation of foundation pit stage, also jeopardizes periphery construction of structures safety；Separately
Outside, the case where wearing foundation pit enclosure structure ground-connecting-wall in the presence of the Tunnel Boring tunnel line of planning, according to traditional plater
The wall that word steel and steel reinforcement cage pour, shield machine, which can not be directly cut, to be passed through；Though useful glass fiber-reinforced polymer substitutes reinforcement fabrication steel
The report of muscle cage, but still not can solve to get angry into shield machine Tu Cang and cut I-shaped steel joint, increase the construction of underground confined space
Risk the problem of.
Because a kind of water-stagnating effect of the invention is good, construction risk is low, facilitates the I-shaped GFRP-of later maintenance I-shaped
Steel joint structure and splicing cage and its construction method for diaphram wall are a technical problem to be solved urgently.
Summary of the invention
The present invention is suitable at shield launching portal, provides a kind of I-shaped GFRP-i shaped steel joint structure and use
In the splicing cage and its construction method of diaphram wall, to solve, ground-connecting-wall joint water-stagnating effect is poor in the prior art, originates
Risk is high, subsequent construction inconvenience technical problem.
The present invention is suitable for wearing foundation pit enclosure structure ground-connecting-wall in the presence of Tunnel Boring tunnel line, provides a kind of I-shaped
GFRP-i shaped steel joint structure and splicing cage and its construction method for diaphram wall, to solve difficulty of construction and wind
Dangerous degree is high, the technical matters of later maintenance difficulty.
In order to solve the above technical problems, the present invention adopts the following technical scheme:
A kind of I-shaped GFRP-i shaped steel joint structure, including splicing I-steel are designed, the splicing I-steel includes work
Shaped steel and with seamless connection and the matched I-shaped GFRP of size.
Preferably, the seamless connection is by Interal fixation, and the i shaped steel and the steel plate weld, the I-shaped
Type GFRP is connect with the steel plate by helicitic texture.
A kind of splicing cage for diaphram wall, the splicing I-steel including two above-mentioned joint structures, the splicing
The wing plate of I-steel main reinforcement as made from the GFRP/ or steel that intersect in length and breadth, distributing reinforcement, girder rib, scissors muscle formed GFRP cage,
Steel reinforcement cage and GFRP-steel reinforcement cage any one.
Preferably, I-shaped GFRP sections of two splicing I-steel are fixed with the GFRP-reinforcing bar mixing cage, institute
It states i shaped steel section and is fixed with the steel reinforcement cage.
Preferably, the main reinforcement of the steel reinforcement cage and the main reinforcement of GFRP cage overlap, and the length of main ribs overlapping regions is not small
In 40 times of main reinforcement diameters, the overlap joint is fixed using U-shaped buckle, the U-shaped buckle that each main reinforcement overlap joint uses
Quantity is at least 2.
Preferably, the I-shaped GFRP sections of distributing reinforcements use steel wire/GFRP tendons.
Preferably, the I-shaped GFRP sections of girder ribs use reinforcing bar.
Preferably, the GFRP main reinforcement diameter is 25~32mm, and the distributing reinforcement, scissors muscle, girder rib diameter are 18
The spacing of~22mm, the I-shaped GFRP sections of adjacent main ribs are 150~250mm, and the spacing of the adjacent distributing reinforcement is
150~250mm.
Preferably, the GFRP tendons/or reinforcing bar infall are fixed using tied silk.
A kind of splicing cage construction method for diaphram wall comprising following steps:
(1) it precast spliced cage: will only slurry iron sheet be fixed on the outside of the wing plate of splicing I-steel side of above-mentioned splicing cage, and by rubber
Glue waterstop is sticked to the inside of the splicing I-steel wing plate, I-shaped GFRP sections of the wing plate outside of spliced cage and the iron
The corresponding position of skin is equipped with perforation, is fixed the iron sheet and I-shaped GFRP by penetrating tied silk in the perforation, described
The welding only slurry iron sheet on the outside of i shaped steel section wing plate；
(2) slot early period section grooving: splicing cage obtained in step (1) is hung in by the I-shaped direction under GFRP sections of and has been excavated
The slot section bottom of completion, and GFRP sections of girder rib is gradually cut off in hoisting process, the bottom sword of I-steel GFRP sections of splicing
In foot insertion groove section bottom solum, tremie method casting concrete is then used；
(3) subsequent slot section steel reinforcement cage subsequent slot section grooving: is hung after the completion of grooving, it is desirable that sealing vertical bar and I-steel wing plate fashioned iron
Inner rubber waterstop fits closely, and then uses tremie method casting concrete；
(4) and so on, the construction of diaphragm wall of all slot sections is completed.
Compared with prior art, main advantageous effects of the invention are:
It, can be to avoid using conventional flexible 1. the present invention carries out being spliced to form joint structure using I-shaped GFRP and i shaped steel
The easy residual of sand pocket causes ground-connecting-wall joint quality after the ground-connecting-wall of connector pours completion, pulls out junction block/case and backfills sand pocket
Difference induces prominent mud water burst risk, ensures that the water-stagnating effect of the ground-connecting-wall connector within the scope of shield launching portal, simultaneously
Glass fibre I-shaped type joint can be formed according to design requirement and make, since glass fibre cage in addition to truss bars adopt by remaining whole
With bolt, drilling iron wire connection, steel reinforcement cage processing efficiency is higher than conventional rebar cage construction efficiency by about 1/3, can effectively shorten cage body
Process-cycle.
2. present invention shield crossing region in diaphram wall uses GFRP I-shaped type joint, and cooperates and disclose
Glass fiber-reinforced polymer, substitute traditional I-steel/reinforcing bar, it can be ensured that it is continuous that shield machine directly cuts underground when passing in and out portal
Wall driving can reduce construction risk and difficulty, simplify work so as to avoid cutting I-steel/reinforcing bar and the work for cutting portal
Skill and accelerate construction progress, at the same saved originate before artificial built, cut off I-shaped steel plate and the duration of reinforcing bar is (disconnected according to portal
The size in face, each portal can save 6-15 days durations and artificial, material installation input cost, and in terms of comprehensive, comparison cuts hole
Door scheme, each portal can save 40-100 ten thousand)；Foundation pit enclosure structure ground-connecting-wall is worn under needing for Tunnel Boring tunnel line
When, the cutterhead of shield machine can directly cut the entire ground-connecting-wall including I-shaped type joint, effectively avoid warehouse entry and warehouse entry dynamic
Fiery bring construction risk and difficulty.
3. GFRP of the present invention is significantly greater than I-steel/reinforcing bar in corrosion resistance and tensile strength, the coefficient of expansion and mixed
Solidifying soil is close, reduces the temperature stress in Specific construction and ensures its application in ground-connecting-wall；And quite GFRP material exists
When construction, expense is significantly lower than the expense using steel.
Detailed description of the invention
Fig. 1 is the splicing cage main view for diaphram wall；
Fig. 2 is I-shaped GFRP sections of splicing cage main view；
Fig. 3 connect master map with I-shaped steel joint for I-shaped GFRP；
Fig. 4 connect top view with I-shaped steel joint for I-shaped GFRP；
Fig. 5 is I-shaped GFRP sections of side view；
Fig. 6 is I-shaped GFRP left view；
Fig. 7 is GFRP main reinforcement-bar splicing partial enlarged view；
Fig. 8 is the usage state diagram of U-shaped buckle.
In figure, 1. splicing I-steel, 11. i shaped steels, 12. I-shaped GFRP, 2. cage bodies, 21. reinforcing bar cage bodies, 211. is main
Reinforcing bar, 212. distribution bars, 213, truss bars, 22.GFRP muscle-reinforcing bar mixes cage body, 221.GFRP main reinforcement, 222. steel wires
Distributing reinforcement, 3. overlapping regions, 4. steel plates, 5.U type buckle, 51.U type bolt, 52. gaskets.
Specific embodiment
Illustrate a specific embodiment of the invention with reference to the accompanying drawings and examples, but following embodiment is used only in detail
It describes the bright present invention in detail, does not limit the scope of the invention in any way.
Embodiment 1: a kind of I-shaped GFRP-i shaped steel joint structure, referring to Fig. 3-4, including two splicing I-steel
1, splicing I-steel 1 includes i shaped steel 11 and is seamlessly connected with it and size is matched I-shaped with it by steel plate 4
GFRP12, wherein i shaped steel 11 and steel plate 4 weld, and I-shaped GFRP12 and steel plate 4 pass through in the corresponding position punching of the two
And it is fixed by screw.
A kind of splicing cage for diaphram wall, referring to Fig. 1-8；Splicing cage includes two above-mentioned splicing I-steel and cage
Body 2, I-shaped GFRP12 sections of cage body, which is equipped with, forms GFRP tendons-reinforcing bar mixing cage by main reinforcement, distributing reinforcement, girder rib, scissors muscle
Body 22, wherein I-shaped GFRP12 sections of wing plate is connected with distributing reinforcement made of 4mm steel wire, I-shaped GFRP12 sections of main reinforcement and
Scissors muscle is GFRP main reinforcement 221 and GFRP distributing reinforcement 222 using GFRP tendons, and the girder rib of GFRP sections of cage bodies uses reinforcing bar；Work
11 sections of shaped steel be fixed with main reinforcement made from bar material, distributing reinforcement, scissors muscle formed reinforcing bar cage body 21, as main reinforcement 211,
Distribution bar 212, scissors reinforcing bar, wherein the GFRP main reinforcement 221 of the steel main reinforcement 211 of reinforcing bar cage body 21 and GFRP cage body overlaps, and two
The length of person's main reinforcement overlapping regions 3 is not less than 40 times of main reinforcement diameters, and overlap joint is fixed using U-shaped buckle 5, each main reinforcement overlap joint is adopted
The quantity of U-shaped buckle 5 is at least 2, and the U-shaped buckle includes U-bolt 51 and corresponding gasket 52.GFRP main reinforcement is straight
Diameter is 32mm, and distributing reinforcement, scissors muscle, girder rib diameter are 22mm, and the spacing of I-shaped GFRP12 sections of adjacent main reinforcement is
250mm, the spacing of adjacent distributions muscle are 250mm；GFRP tendons infall is fixed using tied silk, and reinforcing bar infall is using the side welded
Formula is fixed.
A kind of splicing cage construction method for diaphram wall comprising following steps:
(1) precast spliced cage: only slurry iron sheet is fixed on the outside of the wing plate of the splicing I-steel side of above-mentioned splicing cage, and will
Rubber fastening band is sticked to the inside of splicing 1 wing plate of I-steel, I-shaped GFRP sections of the wing plate outside of spliced cage and institute
It states the corresponding position of iron sheet and is equipped with perforation, consolidated the iron sheet and I-shaped GFRP12 by penetrating tied silk in the perforation
It is fixed, the welding only slurry iron sheet on the outside of the i shaped steel section wing plate；
(2) slot early period section grooving: splicing cage obtained in step (1) is hung in by the I-shaped direction under GFRP sections of and has been excavated
The slot section bottom of completion, and GFRP sections of girder rib is gradually cut off in hoisting process, the bottom of I-steel GFRP sections of splicing
In the soil layer of blade foot insertion groove section bottom, tremie method casting concrete is then used；
(3) steel reinforcement cage of subsequent slot section subsequent slot section grooving: is hung after the completion of grooving, it is desirable that sealing vertical bar and I-steel wing plate type
Steel inner rubber waterstop fits closely, using tremie method casting concrete；
(4) and so on, the construction of diaphragm wall of all slot sections is completed.
Effect example
For this effect example using the test in terms of index progressive energy in embodiment 1, testing index is as shown in Table 1 and Table 2.
The I-shaped GFRP of table 1 is in tensile property index
。
The I-shaped GFRP of table 2 and I-shaped Steel Properties compare
。
The present invention is described in detail above in conjunction with drawings and examples, still, those of skill in the art
Member is it is understood that without departing from the purpose of the present invention, can also carry out each design parameter in above-described embodiment
Change, forms multiple specific embodiments, is common variation range of the invention, is no longer described in detail one by one herein.
Claims (10)
1. a kind of I-shaped GFRP-i shaped steel joint structure, including splicing I-steel, which is characterized in that the splicing I-shaped
Ladle include i shaped steel and with seamless connection and the matched I-shaped GFRP of size.
2. I-shaped GFRP-i shaped steel joint structure according to claim 1, which is characterized in that the seamless connection
It is by Interal fixation, the i shaped steel and the steel plate weld, and the I-shaped GFRP and the steel plate pass through screw thread knot
Structure connection.
3. a kind of splicing cage for diaphram wall, which is characterized in that including two joint structures as described in claim 1
Splice I-steel, wing plate main reinforcement as made from the GFRP/ or steel that intersect in length and breadth of the splicing I-steel, distributing reinforcement, truss
Muscle, scissors muscle formed GFRP cage, steel reinforcement cage and GFRP-steel reinforcement cage any one.
4. the splicing cage according to claim 3 for diaphram wall, which is characterized in that two splicing I-steel
I-shaped GFRP sections be fixed with the GFRP-reinforcing bar mixing cage, the i shaped steel section is fixed with the steel reinforcement cage.
5. the splicing cage according to claim 3 or 4 for diaphram wall, which is characterized in that the master of the steel reinforcement cage
The main reinforcement of muscle and GFRP cage overlaps, and the length of main ribs overlapping regions is not less than 40 times of main reinforcement diameters, and the overlap joint is using U-shaped
Buckle is fixed, and the quantity for the U-shaped buckle that each main reinforcement overlap joint uses is at least 2.
6. the splicing cage according to claim 3 or 4 for diaphram wall, which is characterized in that the I-shaped GFRP
Section distributing reinforcement uses steel wire/GFRP tendons.
7. the splicing cage according to claim 3 or 4 for diaphram wall, which is characterized in that the I-shaped GFRP
Section girder rib uses reinforcing bar.
8. the splicing cage according to claim 3 or 4 for diaphram wall, which is characterized in that the GFRP main reinforcement is straight
Diameter is 25~32mm, and the distributing reinforcement, scissors muscle, girder rib diameter are 18~22mm, the I-shaped GFRP sections of adjacent institute
The spacing for stating main reinforcement is 150~250mm, and the spacing of the adjacent distributing reinforcement is 150~250mm.
9. the splicing cage according to claim 3 for diaphram wall, which is characterized in that the GFRP tendons/or reinforcing bar
Infall is fixed using tied silk.
10. a kind of splicing cage construction method for diaphram wall, which is characterized in that itself the following steps are included:
(1) only slurry iron sheet precast spliced cage: is fixed on to the wing plate of the splicing I-steel side of splicing cage as claimed in claim 3
Outside, and rubber fastening band is sticked to the inside for splicing I-steel wing plate, I-shaped GFRP sections of wing plate of spliced cage
Outside and the corresponding position of the iron sheet are equipped with perforation, by penetrating tied silk in the perforation for the iron sheet and I-shaped
GFRP is fixed, the welding only slurry iron sheet on the outside of the i shaped steel section wing plate；
(2) slot early period section grooving: splicing cage obtained in step (1) is hung in by the I-shaped direction under GFRP sections of and has been excavated
The slot section bottom of completion, and GFRP sections of girder rib is gradually cut off in hoisting process, the bottom of I-steel GFRP sections of splicing
In the soil layer of blade foot insertion groove section bottom, tremie method casting concrete is then used；
(3) steel reinforcement cage of subsequent slot section subsequent slot section grooving: is hung after the completion of grooving, it is desirable that sealing vertical bar and I-steel wing plate type
Steel inner rubber waterstop fits closely, using tremie method casting concrete；
(4) and so on, the construction of diaphragm wall of all slot sections is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910819320.2A CN110424376A (en) | 2019-08-31 | 2019-08-31 | I-shaped GFRP-i shaped steel joint structure and splicing cage and its construction method for diaphram wall |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910819320.2A CN110424376A (en) | 2019-08-31 | 2019-08-31 | I-shaped GFRP-i shaped steel joint structure and splicing cage and its construction method for diaphram wall |
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| CN110424376A true CN110424376A (en) | 2019-11-08 |
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| CN201910819320.2A Pending CN110424376A (en) | 2019-08-31 | 2019-08-31 | I-shaped GFRP-i shaped steel joint structure and splicing cage and its construction method for diaphram wall |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111335902A (en) * | 2020-04-23 | 2020-06-26 | 中铁四局集团有限公司 | Construction method for shield tunneling ground connection wall underpass operation subway station |
| CN111561324A (en) * | 2020-04-29 | 2020-08-21 | 中铁十二局集团有限公司 | Construction method for shield tunneling machine to penetrate through underground diaphragm wall |
| CN113062305A (en) * | 2021-04-07 | 2021-07-02 | 中铁隧道局集团有限公司 | Glass fiber I-shaped plate joint-steel plate combined underground diaphragm wall and 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 |
| CN114293538A (en) * | 2022-01-10 | 2022-04-08 | 北京市政建设集团有限责任公司 | Construction method based on shield initial underground diaphragm wall and support system |
| CN114508094A (en) * | 2022-02-21 | 2022-05-17 | 中冶华南建设工程有限公司 | Underground diaphragm wall structure of water-rich karst geology and construction method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111335902A (en) * | 2020-04-23 | 2020-06-26 | 中铁四局集团有限公司 | Construction method for shield tunneling ground connection wall underpass operation subway station |
| CN111561324A (en) * | 2020-04-29 | 2020-08-21 | 中铁十二局集团有限公司 | Construction method for shield tunneling machine to penetrate through underground diaphragm wall |
| CN113062305A (en) * | 2021-04-07 | 2021-07-02 | 中铁隧道局集团有限公司 | Glass fiber I-shaped plate joint-steel plate combined underground diaphragm wall and 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 |
| CN114293538A (en) * | 2022-01-10 | 2022-04-08 | 北京市政建设集团有限责任公司 | Construction method based on shield initial underground diaphragm wall and support system |
| CN114508094A (en) * | 2022-02-21 | 2022-05-17 | 中冶华南建设工程有限公司 | Underground diaphragm wall structure of water-rich karst geology and construction method thereof |
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