CN104179194A - Integrated pipe trench in soft soil stratum and construction method of integrated pipe trench - Google Patents
Integrated pipe trench in soft soil stratum and construction method of integrated pipe trench Download PDFInfo
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- CN104179194A CN104179194A CN201410348190.6A CN201410348190A CN104179194A CN 104179194 A CN104179194 A CN 104179194A CN 201410348190 A CN201410348190 A CN 201410348190A CN 104179194 A CN104179194 A CN 104179194A
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- 238000010276 construction Methods 0.000 title claims abstract description 54
- 239000002689 soil Substances 0.000 title claims abstract description 32
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 68
- 239000010959 steel Substances 0.000 claims abstract description 68
- 238000000034 method Methods 0.000 claims abstract description 22
- 238000009412 basement excavation Methods 0.000 claims abstract description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 14
- 238000013461 design Methods 0.000 claims description 12
- 238000005056 compaction Methods 0.000 claims description 7
- 229910052742 iron Inorganic materials 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 230000003068 static effect Effects 0.000 claims description 4
- 208000028804 PERCHING syndrome Diseases 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 238000009415 formwork Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- -1 polypropylene Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 238000012384 transportation and delivery Methods 0.000 claims description 3
- 210000000481 breast Anatomy 0.000 abstract 2
- 239000004568 cement Substances 0.000 abstract 1
- 239000010881 fly ash Substances 0.000 abstract 1
- 239000004927 clay Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 238000013439 planning Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000246 remedial effect Effects 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
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Abstract
The invention discloses an integrated pipe trench in a marine soft soil stratum and a construction method of the integrated pipe trench. The integrated pipe trench in the marine soft soil stratum comprises CFG (cement fly-ash gravel) piles, steel plate piles, intercepting ditches, an I-steel breast beam, a supporting steel tube, a box culvert and a concrete back layer, wherein the steel plate piles are laid above the CFG piles, the box culvert is installed above the steel plate piles, the steel plate piles are installed on two sides of the CFG piles and two sides of the box culvert, and the supporting steel tube and the I-steel breast beam are installed on the steel plate piles on two sides through angle steel brackets. The construction method of the integrated pipe trench in the marine soft soil stratum comprises steps as follows: CFG pile soft foundation treatment construction, surveying and setting out, steel plate pile foundation pit supporting construction, foundation pit excavation, pile cap construction, cushion construction, integrated pipe trench main structure construction and earthwork backfilling. According to the construction method applicable to the integrated pipe trench in a soft soil area, the safety and the stability in the integrated pipe trench construction and using process are guaranteed in the soft soil area environment, space resources are reasonably utilized, and the economic benefit is maximized.
Description
Technical field
The present invention relates to the underground cavern excavation technical field of geotechnical engineering, specifically integrated pipe canal and construction method thereof in a kind of soft soil layer.
Background technology
City integrated pipe trench (corridor) is also referred to as common trench, to build municipal public use tunnel space at Urban Underground, by municipal public use pipelines such as electric power, communication, water supply, concentrate and be laid in structure according to the requirement of planning, implement unified planning, design, construction and management.Integrated pipe canal is the inevitable outcome of urbanization and economic height development, is a kind of means of comprehensive utilization urban underground space, is to ensure that city has the important infrastructure of the capability of sustainable development.Building integrated pipe canal has become trend and the trend of urban infrastructure modernization Renovation and reconstruction and urban modernization construction.Along with the quickening of China's Development of China's Urbanization and the raising of comprehensive strength, the complexity of City Buried Pipeline and importance all require to adopt integrated pipe canal pattern intensive, sustainability to build city.Political affairs utilities pipeline.Solve the many contradictions being caused by the management system of barrier between different departments and avoid urban road secondary excavation by urban construction person and manager are known together by building integrated pipe canal.
Along with the raising of China's economic strength and the quickening of urbanization process, many cities start to explore the construction of integrated pipe canal, accumulated preliminary design, construction, construction, managerial experiences, but compared with developed countries, the construction of China mainland area integrated pipe canal is also in the starting stage.But, the construction method of the current integrated pipe canal for soft clay area is also deficienter, therefore, the present invention proposes a kind of integrated pipe canal construction method for soft clay area, and pipe trench and subgrade and pavement are in conjunction with construction, not only ensure the normal usage function of pipe trench, also can better utilize space resources, realized the maximization of economic benefit.
Summary of the invention
The object of the present invention is to provide integrated pipe canal and construction method thereof in a kind of safe, stable, economic marine soft soil stratum.
For achieving the above object, the invention provides following technical scheme:
Integrated pipe canal and construction method thereof in a kind of marine soft soil stratum, in described marine soft soil stratum, integrated pipe canal comprises CFG stake, steel sheet pile, catchwater, i iron waist rail, supporting steel pipe, box culvert, concrete bed course, steel sheet pile is laid in described CFG stake top, box culvert is installed in the top of described steel sheet pile, between steel sheet pile and box culvert, there is concrete bed course, steel sheet pile is installed on the both sides of CFG stake and box culvert, between the steel sheet pile on both sides, by angle steel bracket, supporting steel pipe is installed, i iron waist rail is arranged on supporting steel pipe, and catchwater is all offered in the steel sheet pile top on both sides.
As the further scheme of the present invention: described steel sheet pile adopts Larsen III type.
As the further scheme of the present invention: concrete bed course adopts C15 steel concrete material.
The implementation method of integrated pipe canal in described marine soft soil stratum, comprises the following steps:
A.CFG stake construction of soft soil treatment comprises levelling of the land, measure of pile position setting-out, placement pile top, pile-forming machine perching, vibration sinking tube, pore-forming examination, pouring mix, vibration pipe-drawing, pile inspection, adopt Construction Process of Vibro-Tube Sinking, arranged in squares, pipe trench substrate adopts empty stake above, and CFG stake stake top mark is high: pile cover length is stretched on integrated pipe canal design end absolute altitude degree-1.49m=integrated pipe canal design end absolute altitude degree-mattress layer thickness-pile cover height-integrated pipe canal base plate thickness-concrete cushion thickness-hardcore bed thickness+CFG stake top;
B. measure unwrapping wire, to the measurement of checking of delivery receiving stake point, set up SURVEYING CONTROL NETWORK, set up traverse station;
C. steel sheet pile foundation ditch supporting construction;
D. excavation of foundation pit, follows the principle of " fluting supports, and first supports afterwards and digs, and stage excavation, forbids to backbreak ", first supports afterwards and excavates;
E. pile cover construction adopts the artificial stake that cuts, and utilizes 120 °, 3 drill rod intervals, radially wedges pile body, until top pile body disconnects;
F. adopting two-layer direction earthwork grille to press from both sides thick hardcore bed constructs as mattress layer;
G. integrated pipe canal main structure construction comprises form work engineering, reinforced bar engineering, concreting engineering;
H. backfilling of earthwork.
As the further scheme of the present invention: described mattress layer 0.6m, pile cover 0.3m, integrated pipe canal base plate thickness 0.35m, concrete bed course 9 is 0.15m, hardcore bed 0.15m, pile cover length 0.06m is stretched on CFG stake stake top.
As the further scheme of the present invention: supporting method mainly adopts the method for " steel sheet pile+steel pipe inner supporting ", and steel sheet pile sets the first silent piling of preferential employing, sets and adopts at need pile vibrosinking.
As the further scheme of the present invention: described pile cover adopts C25 steel concrete material, is of a size of 100cm × 100cm × 30cm.
As the further scheme of the present invention: described hardcore bed is containing plant residue, rubbish organic impurities, mud content≤5%, maximum dry unit weight should>=18KN/m
3, the grating particle that particle diameter is 5 ~ 30mm, mattress layer adopts Static compaction, compaction requirement>=95%, geo-grid adopts the two plastic grills that draw of polypropylene.
As the further scheme of the present invention: the described backfilling of earthwork both sides depth of fill is poor must not be greater than 50cm.
Compared with prior art, the invention has the beneficial effects as follows: be applicable to the construction method of soft clay area integrated pipe canal, ensure under the environment of soft clay area, the safety and stability of integrated pipe canal construction and use procedure, and rationally utilize space resources, realize the maximization of economic benefit.
Brief description of the drawings
Fig. 1 is integrated pipe canal construction cross-sectional configuration schematic diagram;
Fig. 2 is pipe trench and road surface entirety cross-sectional configuration schematic diagram;
In figure: 1-CFG stake, 2-steel sheet pile, 3-road structure, 4-catchwater, 5-i iron waist rail, 6-supporting steel pipe, 7-box culvert, 8-angle steel bracket, 9-concrete bed course.
Detailed description of the invention
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1 and Fig. 2, in the embodiment of the present invention, integrated pipe canal and construction method thereof in a kind of marine soft soil stratum, in described marine soft soil stratum, integrated pipe canal comprises CFG stake 1, steel sheet pile 2, catchwater 4, i iron waist rail 5, supporting steel pipe 6, box culvert 7, concrete bed course 9, steel sheet pile 2 is laid in described CFG stake 1 top, box culvert 7 is installed in the top of described steel sheet pile 2, between steel sheet pile 2 and box culvert 7, there is concrete bed course 9, CFG stake 1 is installed steel sheet pile 2 with the both sides of box culvert 7, between the steel sheet pile 2 on both sides, by angle steel bracket 8, supporting steel pipe 6 is installed, i iron waist rail 5 is arranged on supporting steel pipe 6, catchwater 4 is all offered in steel sheet pile 2 tops on both sides.
In the embodiment of the present invention, the implementation method of integrated pipe canal in described marine soft soil stratum, comprises the following steps:
A.CFG stake 1 construction of soft soil treatment
Integrated pipe canal based process adopts Construction Process of Vibro-Tube Sinking, pile spacing 1.8m, and arranged in squares, pipe trench substrate adopts empty stake above.1 top mark of CFG stake is high stretches into pile cover length 0.06m for integrated pipe canal designs end absolute altitude degree-1.49m=integrated pipe canal design end absolute altitude degree-mattress layer thickness 0.6m-pile cover height 0.3m-integrated pipe canal base plate thickness 0.35m-C15 concrete bed course 91 top of thickness 0.15m-hardcore bed thickness 0.15m+ CFG stake.
Working procedure is:
Mix, vibration pipe-drawing, pile inspection (stake machine is shifted) are checked and accepted, watered to levelling of the land, measure of pile position setting-out, placement pile top, pile-forming machine perching, vibration sinking tube, pore-forming.
B. measure unwrapping wire
Measure behind control point in construction, design, the on-the-spot handing-over of supervisor; the check measurement of tissue to delivery receiving stake point; set up SURVEYING CONTROL NETWORK, and set up traverse station in works area, to the groove going into operation at first emit center line, sideline, carry out center line, sideline, traverse station safeguard measure.
C. steel sheet pile 2 foundation pit support constructions
Supporting method mainly adopts " steel sheet pile+steel pipe inner supporting " supporting method, and steel sheet pile 2 adopts Larsen III type, after waiting the stable and foundation ditch of supporting to back down to dig interim catchwater, just can carry out excavation of foundation pit.Steel sheet pile 2 sets the first silent piling of preferential employing, sets and considers to adopt at need pile vibrosinking again.
D. excavation of foundation pit
Excavation of foundation pit is followed the principle of " fluting supports, and first supports afterwards and digs, and stage excavation, forbids to backbreak ", first supports afterwards and excavates.Steel sheet pile 2 sets the first silent piling of preferential employing, sets and considers to adopt at need pile vibrosinking again.
E. pile cover construction
Artificial section of stake, adopts 120 °, 3 drill rod intervals, radially wedges pile body, until top pile body disconnects, ensures that pile crown is smooth, does not occur oblique stubble.If cause pile body to break to the design elevation of machine top in the time of foundation trench excavation and rejecting pile crown, must adopt remedial measures.The plane of disruption is nearer apart from stake top, can pile extension to design of pile top absolute altitude.Material therefor match ratio is identical with pile body compound, and pile extension is wide should be greater than a footpath 200mm, and notes broken pile place dabbing, and water is rinsed well.C25 steel concrete pile cover is established on stake top, and pile cover size is long × wide × thick is 100cm × 100cm × 30cm, and it is 6cm that stake jacking enters pile cover length.
F. mattress layer construction
In order to adjust the acting in conjunction of integrated pipe canal basis CFG stake 1 and inter-pile soil, lay the thick hardcore bed of two-layer direction earthwork grille folder 30cm on whole levelling of the land face top as mattress layer.When construction, first void spreads, then adopts Static compaction, in the time that inter-pile soil water content is little, also can tamp.Inter-pile soil water content is higher, and particularly high sensitivity soil will be noted the impact of construction disturbance on inter-pile soil, to avoid producing spongy soil.Hardcore bed answers grating good, not containing organic impurities such as plant residue, rubbish, and mud content≤5%, answer >=18KN/m3 of maximum dry unit weight, the grating particle that particle diameter is 5 ~ 30mm, bed course should adopt Static compaction, compaction requirement >=95%.It is that " TGSG5050PP " (mass area ratio >=500g/m, vertical/horizontal hot strength >=50KN/m, vertical/horizontal elongation rate≤15%/13%) should reach more than 50 years projected life that geo-grid adopts polypropylene pair to draw plastic grill, model.
G. integrated pipe canal main structure construction
Carry out the construction of the integrated pipe canal major project parts such as form work engineering, reinforced bar engineering, concreting engineering according to designing requirement.
H. backfilling of earthwork
Pit backfill starts construction after agent structure waterproof roofing layer completes 7 days.Construction is filled with works sequence of construction, and the both sides depth of fill is poor must not be greater than 50cm.When embankment construction, according to design section placement in layers compacting, the loose laying depth of layering is determined by test according to supervising engineer's requirement.
The present invention proposes the construction method that is applicable to soft clay area integrated pipe canal, ensure under the environment of soft clay area, the safety and stability of integrated pipe canal construction and use procedure, and rationally utilize space resources, realize the maximization of economic benefit.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned example embodiment, and in the situation that not deviating from spirit of the present invention or essential characteristic, can realize the present invention with other concrete form.Therefore, no matter from which point, all should regard embodiment as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, is therefore intended to all changes that drop in the implication and the scope that are equal to important document of claim to include in the present invention.
In addition, be to be understood that, although this manual is described according to embodiment, but be not that each embodiment only comprises an independently technical scheme, this narrating mode of manual is only for clarity sake, those skilled in the art should make manual as a whole, and the technical scheme in each embodiment also can, through appropriately combined, form other embodiments that it will be appreciated by those skilled in the art that.
Claims (8)
1. integrated pipe canal in a marine soft soil stratum, comprise CFG stake (1), steel sheet pile (2), catchwater (4), i iron waist rail (5), supporting steel pipe (6), box culvert (7), concrete bed course (9), it is characterized in that, steel sheet pile (2) is laid in described CFG stake (1) top, box culvert (7) is installed in the top of described steel sheet pile (2), between steel sheet pile (2) and box culvert (7), there is concrete bed course (9), CFG stake (1) is installed steel sheet pile (2) with the both sides of box culvert (7), between the steel sheet pile (2) on both sides, by angle steel bracket (8), supporting steel pipe (6) is installed, i iron waist rail (5) is arranged on supporting steel pipe (6), catchwater (4) is all offered in steel sheet pile (2) top on both sides.
2. integrated pipe canal in marine soft soil according to claim 1 stratum, is characterized in that, described steel sheet pile (2) adopts Larsen III type.
3. integrated pipe canal in marine soft soil according to claim 1 stratum, is characterized in that, concrete bed course (9) adopts C15 steel concrete material.
4. according to the implementation method of integrated pipe canal in the marine soft soil stratum described in claim 1-3, it is characterized in that, specifically comprise the following steps:
A.CFG stake (1) construction of soft soil treatment comprises levelling of the land, measure of pile position setting-out, placement pile top, pile-forming machine perching, vibration sinking tube, pore-forming examination, pouring mix, vibration pipe-drawing, pile inspection, adopt Construction Process of Vibro-Tube Sinking, arranged in squares, pipe trench substrate adopts empty stake above, and described CFG stake (1) stake top mark is high: pile cover length is stretched on integrated pipe canal design end absolute altitude degree-1.49m=integrated pipe canal design end absolute altitude degree-mattress layer thickness-pile cover height-integrated pipe canal base plate thickness-concrete bed course 9 thickness-hardcore bed thickness+CFG stake (1) top;
B. measure unwrapping wire, to the measurement of checking of delivery receiving stake point, set up SURVEYING CONTROL NETWORK, set up traverse station;
C. steel sheet pile (2) foundation pit support construction;
D. excavation of foundation pit, follows the principle of " fluting supports, and first supports afterwards and digs, and stage excavation, forbids to backbreak ", first supports afterwards and excavates;
E. pile cover construction adopts the artificial stake that cuts, and utilizes 120 °, 3 drill rod intervals, radially wedges pile body, until top pile body disconnects;
F. adopting two-layer direction earthwork grille to press from both sides thick hardcore bed constructs as mattress layer;
G. integrated pipe canal main structure construction comprises form work engineering, reinforced bar engineering, concreting engineering;
H. backfilling of earthwork.
5. the implementation method of integrated pipe canal in marine soft soil according to claim 4 stratum, is characterized in that described mattress layer 0.6m, pile cover 0.3m, integrated pipe canal base plate thickness 0.35m, concrete bed course 9 is 0.15m, hardcore bed 0.15m, pile cover length 0.06m is stretched on stake top.
6. the implementation method of integrated pipe canal in marine soft soil according to claim 4 stratum, it is characterized in that, supporting method mainly adopts the method for " steel sheet pile+steel pipe inner supporting ", and steel sheet pile (1) sets the first silent piling of preferential employing, sets and adopts at need pile vibrosinking.
7. the implementation method of integrated pipe canal in marine soft soil according to claim 4 stratum, is characterized in that, described pile cover adopts C25 steel concrete material, is of a size of 100cm × 100cm × 30cm.
8. the implementation method of integrated pipe canal in marine soft soil according to claim 4 stratum, is characterized in that, described hardcore bed does not contain plant residue, rubbish organic impurities, mud content≤5%, answer>=18KN/m of maximum dry unit weight
3, the grating particle that particle diameter is 5 ~ 30mm, mattress layer adopts Static compaction, compaction requirement>=95%, geo-grid adopts the two plastic grills that draw of polypropylene.
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| CN201410348190.6A CN104179194A (en) | 2014-07-22 | 2014-07-22 | Integrated pipe trench in soft soil stratum and construction method of integrated pipe trench |
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| CN201410348190.6A CN104179194A (en) | 2014-07-22 | 2014-07-22 | Integrated pipe trench in soft soil stratum and construction method of integrated pipe trench |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104674863A (en) * | 2015-02-26 | 2015-06-03 | 济南轨道交通集团有限公司 | Method for reinforcing existing municipal pipe gallery within deep foundation pit excavation range |
| CN104846840A (en) * | 2015-04-23 | 2015-08-19 | 东北大学 | Shallowly-buried soft soil integrated trench reinforcing device and construction method |
| CN104895111A (en) * | 2015-06-16 | 2015-09-09 | 中建五局土木工程有限公司 | Construction method of integrated pipe trench in soft soil |
| CN106193104A (en) * | 2016-08-30 | 2016-12-07 | 温州大学 | The underground pipe gallery of soft soil foundation and construction method thereof |
| CN106836287A (en) * | 2017-03-28 | 2017-06-13 | 新疆维泰开发建设（集团）股份有限公司 | A kind of construction method of pipe gallery |
| CN106884433A (en) * | 2017-03-02 | 2017-06-23 | 中交二航局第四工程有限公司 | Control vibrations pile pulling causes the structure of underground structure depression and control depression method |
| CN107313453A (en) * | 2017-08-09 | 2017-11-03 | 中冶京诚工程技术有限公司 | Comprehensive pipe gallery of soft soil foundation and construction method thereof |
| CN107794929A (en) * | 2017-11-07 | 2018-03-13 | 东通岩土科技（杭州）有限公司 | For supporting the combined type shaped steel bracket of internal support of foundation pit |
| CN108005081A (en) * | 2017-11-07 | 2018-05-08 | 东通岩土科技（杭州）有限公司 | The internal support of foundation pit of combined type triangle part and application the combined type triangle part |
| CN108331015A (en) * | 2017-12-12 | 2018-07-27 | 上海市政工程设计研究总院（集团）有限公司 | Soft clay foundation adjoins High-filled emkankment pipe gallery and its construction technology |
| CN109056804A (en) * | 2018-09-04 | 2018-12-21 | 中国十九冶集团有限公司 | Comprehensive pipe rack foundation pit supporting structure and implementation method thereof |
| CN109372019A (en) * | 2018-11-28 | 2019-02-22 | 深圳市市政工程总公司 | Cable duct original position rest construction method |
| CN110700273A (en) * | 2019-11-08 | 2020-01-17 | 中国铁路设计集团有限公司 | In-situ protection method for side-by-side masonry pipe trench crossing foundation pit |
| CN113374936A (en) * | 2021-06-29 | 2021-09-10 | 中建市政工程有限公司 | Underpinning protection system for top socket pipeline in underpass construction and construction method |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104674863B (en) * | 2015-02-26 | 2016-05-11 | 济南轨道交通集团有限公司 | A kind of reinforcement means to existing municipal piping lane within the scope of deep pit digging |
| CN104674863A (en) * | 2015-02-26 | 2015-06-03 | 济南轨道交通集团有限公司 | Method for reinforcing existing municipal pipe gallery within deep foundation pit excavation range |
| CN104846840A (en) * | 2015-04-23 | 2015-08-19 | 东北大学 | Shallowly-buried soft soil integrated trench reinforcing device and construction method |
| CN104895111A (en) * | 2015-06-16 | 2015-09-09 | 中建五局土木工程有限公司 | Construction method of integrated pipe trench in soft soil |
| CN106193104A (en) * | 2016-08-30 | 2016-12-07 | 温州大学 | The underground pipe gallery of soft soil foundation and construction method thereof |
| CN106884433A (en) * | 2017-03-02 | 2017-06-23 | 中交二航局第四工程有限公司 | Control vibrations pile pulling causes the structure of underground structure depression and control depression method |
| CN106836287B (en) * | 2017-03-28 | 2019-03-22 | 新疆维泰开发建设（集团）股份有限公司 | A kind of construction method of pipe gallery |
| CN106836287A (en) * | 2017-03-28 | 2017-06-13 | 新疆维泰开发建设（集团）股份有限公司 | A kind of construction method of pipe gallery |
| CN107313453A (en) * | 2017-08-09 | 2017-11-03 | 中冶京诚工程技术有限公司 | Comprehensive pipe gallery of soft soil foundation and construction method thereof |
| CN107794929A (en) * | 2017-11-07 | 2018-03-13 | 东通岩土科技（杭州）有限公司 | For supporting the combined type shaped steel bracket of internal support of foundation pit |
| CN108005081A (en) * | 2017-11-07 | 2018-05-08 | 东通岩土科技（杭州）有限公司 | The internal support of foundation pit of combined type triangle part and application the combined type triangle part |
| CN108331015A (en) * | 2017-12-12 | 2018-07-27 | 上海市政工程设计研究总院（集团）有限公司 | Soft clay foundation adjoins High-filled emkankment pipe gallery and its construction technology |
| CN109056804A (en) * | 2018-09-04 | 2018-12-21 | 中国十九冶集团有限公司 | Comprehensive pipe rack foundation pit supporting structure and implementation method thereof |
| CN109372019A (en) * | 2018-11-28 | 2019-02-22 | 深圳市市政工程总公司 | Cable duct original position rest construction method |
| CN110700273A (en) * | 2019-11-08 | 2020-01-17 | 中国铁路设计集团有限公司 | In-situ protection method for side-by-side masonry pipe trench crossing foundation pit |
| CN113374936A (en) * | 2021-06-29 | 2021-09-10 | 中建市政工程有限公司 | Underpinning protection system for top socket pipeline in underpass construction and construction method |
| CN113374936B (en) * | 2021-06-29 | 2022-12-27 | 中建市政工程有限公司 | Underpinning protection system for top socket pipeline in bottom-through construction and construction method |
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Application publication date: 20141203 |