CN106013241B - Guan Liang foundation trench uprightly performs and cap excavation method station integrated structure system and construction method - Google Patents
Guan Liang foundation trench uprightly performs and cap excavation method station integrated structure system and construction method Download PDFInfo
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- CN106013241B CN106013241B CN201610544533.5A CN201610544533A CN106013241B CN 106013241 B CN106013241 B CN 106013241B CN 201610544533 A CN201610544533 A CN 201610544533A CN 106013241 B CN106013241 B CN 106013241B
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- guan liang
- top plate
- lid
- fender post
- station
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
- E02D29/05—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them at least part of the cross-section being constructed in an open excavation or from the ground surface, e.g. assembled in a trench
- E02D29/055—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them at least part of the cross-section being constructed in an open excavation or from the ground surface, e.g. assembled in a trench further excavation of the cross-section proceeding underneath an already installed part of the structure, e.g. the roof of a tunnel
-
- 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
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/38—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
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- Civil Engineering (AREA)
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- Environmental & Geological Engineering (AREA)
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Abstract
The present invention relates to Guan Liang foundation trenches uprightly to perform and cap excavation method station integrated structure system and construction method.There are many drawbacks, the present invention includes fender post, Guan Liang, semicircle stake, interim column and lid and digs station top plate traditional digging method construction method；Guan Liang is located at the top of fender post, the setting semicircle stake of Guan Liang back, and the Guan Liang back on the inside of semicircle stake sets up lid and digs station top plate；Lid is dug by vertical interim upright supports below the top plate of station, and fender post inside is by horizontal interim upright supports.The present invention makes full use of fender post to participate in stress, lid digging top plate, which transmits the highway loading to get off, has steel column and fender post to undertake, achieve the purpose that lid is constructed under the conditions of digging, it gathers materials on the spot, reduce investment outlay, easy construction, do not increase additional place to occupy, be effectively controlled the risk that surface displacement is brought for closing on construction of structures.
Description
Technical field
The invention belongs to subway engineering technical field of structures, and in particular to a kind of Guan Liang foundation trench uprightly performs and cap excavation method vehicle
It stands integrated structure system and construction method.
Background technology
Digging method construction station is generally used for traffic more heavy duty zone, and the region constructing operation face is limited, pipeline and builds
Structures are more and nearer apart from subway foundation pit, and Guan Liang foundation trench excavation will generally take slope digging mode and occupy certain field
Ground certainly will influence already very nervous floor traffic space.For nearer apart from building, it is understood that there may be no slope is excavated
Condition or slope excavation, which seriously affect, closes on building safety, on the other hand due to the needs of structural anti-buoyancy, the reinforcing bar of fender post
It needs to anchor into station top plate, be controlled when being designed due to fender post with intensity, be splitting more than 0.2mm occur in the foundation pit stage
It stitches, can be matched with main body on design life is still worth discussion.Digging method construction station combines semicircle stake and capping beam side
Case can overcome Guan Liang foundation trench to excavate requirement of the stage to space to greatest extent, reduce the Guan Liang foundation trench foundation pit stage to building
Risk existing for structures meets structural anti-buoyancy problem and so that subway internal force transmission path is clear and definite.Become lid and dig station
Reduce a kind of effective construction method to traffic impact, source of controlling risk in work progress.
Guan Liang foundation trench foundation depth is generally 2.5m or so, for cap excavation method station, since station top plate need to be placed in
Guan Liang top elevation location, causes Guan Liang to reduce absolute altitude, and Guan Liang foundation trench depth generally can reach 5m or so.It is opened in view of Guan Liang foundation trench
Construction personnel human safety issues during digging, need carry out pattern foundation pit supporting structure, common support pattern for slope excavate or slope with
Soil nail wall combination, the support pattern is there are occupied ground is big, control deforms unfavorable two big drawback, for being in city prosperity
Location often without slope condition or reluctantly using slope but apart from construction build basis it is excessively near, lead to potential risks source problem.If
Individually pattern foundation pit supporting structure is taken such as to perform piling bar, then project cost is brought to improve problem again, for pipeline more close quarters, construction
Fender post place is very nervous, and there are no conditions to perform piling bar.On the other hand for water rich strata, anti-floating problem is that cap excavation method is applied
Work station must take into consideration, and fender post reinforcing bar is used to anchor into station top plate mode and participates in anti-floating purpose, but relate to reach fender post
And still have question at issue to internal force transmission, durability Design etc. are many.It can be seen that there are all for traditional design and construction method
More drawbacks.
Invention content
The object of the present invention is to provide a kind of Guan Liang foundation trenches uprightly to perform and cap excavation method station integrated structure system and structure
Method also serves as interim steel column using bracing members, the body with the complete set of the formation such as semicircle stake, capping beam, waterproof material
System, makes full use of live material, realizes Guan Liang foundation trench safe construction on the basis of excavation space is not increased, reduces and periphery is built
Structures influence.
The technical solution adopted in the present invention is：
Guan Liang foundation trench uprightly performs the structural system combined with cap excavation method station, it is characterised in that：
Station top plate is dug including fender post, Guan Liang, semicircle stake, interim column and lid；
Guan Liang is located at the top of fender post, the setting semicircle stake of Guan Liang back, and the Guan Liang back on the inside of semicircle stake sets up lid and digs vehicle
It stands top plate；
Lid is dug by vertical interim upright supports below the top plate of station, and fender post inside is by horizontal interim upright supports.
Semicircle stake inside side walls setting capping beam covers lid and digs station top end.
Lid digs station top plate inside top and is provided with bracket, and bracket inside is by horizontal interim upright supports.
Interim post end is provided with interim column capital coupling beam.
The interim column bottom end that lid is dug below the top plate of station is provided with interim column pile foundation.
Fender post reinforcing bar is laid in fender post, reserves the semicircle stake reinforcing bar in semicircle stake when fender post reinforcing bar is bound upwards.
Guan Liang foundation trench uprightly performs the construction method with cap excavation method station integrated structure system, it is characterised in that：
Include the following steps：
Step 1：Fender post, interim column pile foundation construction are carried out, semicircle stake reinforcing bar is carried out when fender post reinforcing bar is bound
It is reserved, it pours and goes along with sb. to guard him stake body part concrete, when concreting is high to Guan Liang top mark, semicircle is placed on the inside of semicircle stake
Pile template continues to pour semicircle pile concrete, semicircle pile template is removed after concrete strength reaches design strength, simultaneously
Carry out the construction of interim column and interim column pile foundation；
Step 2：It carries out foundation pit once to excavate, to Guan Liang longitudinally through bar planting at excavation of foundation pit to Guan Liang bottom elevation location
Mode links together entire foundation pit Guan Liang, achievees the purpose that whole stress, and construction lid digs station top plate and thereon bracket, treats
Lid digs station concrete roof when reaching design strength, performs lid and digs station waterproof roofing, in passing through bar planting mode in semicircle stake
It performs capping beam and carries out concreting；
Step 3：With excavation of foundation pit and set up interim column, first interim column support is set on bracket, by bracket and
Lid digs station top plate and side direction horizontal load is transferred on fender post, can be according to monitoring result in interim column in work progress
Power is adjusted, and ensures deep pit monitor；
Step 4：After being excavated to substrate, construct successively according to construction way station bottom plate, middle plate, top plate finally restore road
Entire subway station digging method construction process is completed in face.
The present invention has the following advantages：
1st, the present invention is using common 609 bracing members of φ in subway work, and fender post is made full use of to participate in stress, and lid is dug
Top plate, which transmits the highway loading to get off, has steel column and fender post to undertake, and achievees the purpose that lid is constructed under the conditions of digging, takes on the spot
Material is reduced investment outlay.
2nd, the present invention forms fender post reinforcing bar, binds, pouring and be improved, firm using the larger bending resistance of semicircle stake itself
Degree undertakes foundation pit soil lateral pressure and overcharge on ground, does not need to additionally carry out excavation of foundation pit when performing Guan Liang foundation trench.Construction letter
Just, do not increase additional place to occupy, be effectively controlled the risk that surface displacement is brought for closing on construction of structures.
3rd, the present invention performs capping beam by the later stage in semicircle stake bar planting mode, and capping beam is by water buoyancy during normal use
Fender post is transferred to, by fender post and periphery soil body side friction come neutral buoyancy, reaches structural anti-buoyancy purpose.
Description of the drawings
Fig. 1 is the cross-sectional schematic diagram of structure of the present invention；
Fig. 2 is the semicircle stake of the present invention and the beam construction drawing that bears down on one；
Fig. 3 is the semicircle stake formation level drawing of the present invention.
In figure, 1- semicircle stakes, 2- capping beams, 3- Guan Liangs, 4- fender posts, 5- lid digging station top plates, 6- semicircle stake reinforcing bars, 7-
Fender post reinforcing bar, 8- semicircle pile templates, 9- bear down on one beam steel, 10- brackets, the interim columns of 11-, and the interim column capitals of 12- connect
Beam, the interim column pile foundations of 13-.
Specific embodiment
The present invention will be described in detail With reference to embodiment.
Guan Liang foundation trench of the present invention uprightly performs the structural system combined with cap excavation method station, including fender post 4, hat
Beam 3, semicircle stake 1, interim column 11（Bracing members）And lid digs station top plate 5.Guan Liang 3 is located at 4 top of fender post, 3 back of Guan Liang
Semicircle stake 1 is set, and 3 back of Guan Liang of 1 inside of semicircle stake sets up lid and digs station top plate 5.Lid digs 5 lower section of station top plate by vertical
Interim column 11 supports, and 4 inside of fender post is supported by horizontal interim column 11.
1 inside side walls of semicircle stake setting capping beam 2 covers lid and digs 5 end of station top plate.Lid digs 5 inside top of station top plate
Bracket 10 is provided with, 10 inside of bracket is supported by horizontal interim column 11.
Interim 11 end set of column has interim column capital coupling beam 12（Steel purlin）.Lid digs facing for 5 lower section of station top plate
11 bottom ends of Shi Lizhu are provided with interim column pile foundation 13.
Fender post reinforcing bar 7 is laid in fender post 4, reserves the semicircle stake steel in semicircle stake 1 when fender post reinforcing bar 7 is bound upwards
Muscle 6.
Fender post 4 passes through reserved steel bar so that 4 pile body of fender post reaches with 1 one-time-concreting of semicircle stake without 3 foundation trench of Guan Liang
The purpose of excavation, lid dig station top plate 5 and are placed in 4 stake top Guan Liang 3 of fender post, dig after station top plate 5 pours and pass through in lid
Bar planting mode performs capping beam 2 and reaches anti-floating purpose, avoid 4 reinforcing bar of fender post anchor into lid dig station top plate 5 cause structure by
The problems such as power, durability Design.
Above-mentioned Guan Liang foundation trench uprightly performs the construction method with cap excavation method station integrated structure system, includes the following steps：
Step 1：Progress fender post 4, interim column pile foundation 13 are constructed, to semicircle stake reinforcing bar when fender post reinforcing bar 7 is bound
6 are reserved, and pour 4 pile body part concrete of fender post, when concreting is high to 3 top mark of Guan Liang, in 1 inside of semicircle stake
It places semicircle pile template 8 to continue to pour 1 concrete of semicircle stake, semicircle pile is removed after concrete strength reaches design strength
Template 8 is carried out at the same time the construction of interim column 11 and interim column pile foundation 13；
Step 2：It carries out foundation pit once to excavate, to Guan Liang 3 longitudinally through plant at excavation of foundation pit to 3 bottom elevation location of Guan Liang
Muscle mode links together entire foundation pit Guan Liang 3, achievees the purpose that whole stress, and construction lid digs station top plate 5 and thereon ox
Leg 10 when lid digs 5 concrete of station top plate and reaches design strength, performs lid and digs 5 waterproof of station top plate, in logical in semicircle stake 1
Bar planting mode is crossed to perform capping beam 2 and carry out concreting；
Step 3：With excavation of foundation pit and interim column 11 is set up, first of interim column 11 is set up on bracket 10, is passed through
Bracket 10 and lid dig station top plate 5 and side direction horizontal load are transferred on fender post 4, can be according to monitoring result pair in work progress
Interim 11 internal force of column is adjusted, and ensures deep pit monitor；
Step 4：After being excavated to substrate, construct successively according to construction way station bottom plate, middle plate, top plate finally restore road
Entire subway station digging method construction process is completed in face.
The present invention reaches the mesh for carrying lid and digging top plate and its load using common 609 bracing members of φ in subway work scene
, additional steel structure member is avoided to make；When fender post reinforcing bar is bound, more than stake top（I.e. more than Guan Liang top）Reinforcing bar is taken
About 50% reinforcing bar mode is directly stretched out from pile body, the semicircle pilework that force modes are similar to barricade can be formed after pouring, for
Inter-pile soil body supporting takes later stage bar planting mode to form complete retaining wall structure；Because individually performing capping beam, fender post reinforcing bar
It does not need to anchor into station top plate, structural internal force pipeline is clear and definite, and design theory understands.Therefore it is not required to during Guan Liang construction of foundation ditch
Foundation pit is individually performed, semicircle stake itself has stronger bending stiffness, has reached reduction and has performed space, controls earth's surface deformation
Purpose.The specific concrete operations of this method are easy, relatively inexpensive in Metro Design to be applicable in.
Present disclosure is not limited to cited by embodiment, and those of ordinary skill in the art are by reading description of the invention
And to any equivalent transformation that technical solution of the present invention is taken, it is that claim of the invention is covered.
Claims (1)
1. Guan Liang foundation trench uprightly performs the construction method with cap excavation method station integrated structure system, it is characterised in that：
The Guan Liang foundation trench is uprightly performed includes fender post with cap excavation method station integrated structure system（4）, Guan Liang（3）, semicircle stake
（1）, interim column（11）And lid digs station top plate（5）；
Guan Liang（3）Positioned at fender post（4）Top, Guan Liang（3）Back sets semicircle stake（1）, semicircle stake（1）The Guan Liang of inside（3）
Back sets up lid and digs station top plate（5）；
Lid digs station top plate（5）Lower section is by vertical interim column（11）Support, fender post（4）Inside is by horizontal interim column
（11）Support；
Semicircle stake（1）Inside side walls set capping beam（2）It covers lid and digs station top plate（5）End；
Lid digs station top plate（5）Inside top is provided with bracket（10）, bracket（10）Inside is by horizontal interim column（11）Branch
Support；
Interim column（11）End set has interim column capital coupling beam（12）；
Lid digs station top plate（5）The interim column of lower section（11）Bottom end is provided with interim column pile foundation（13）；
Fender post（4）Interior laying fender post reinforcing bar（7）, fender post reinforcing bar（7）Semicircle stake is reserved during binding upwards（1）Interior semicircle
Stake reinforcing bar（6）；
The construction method includes the following steps：
Step 1：Carry out fender post（4）, interim column pile foundation（13）Construction, fender post reinforcing bar（7）To semicircle stake steel during binding
Muscle（6）It is reserved, pours fender post（4）Pile body part concrete, treats concreting to Guan Liang（3）When top mark is high, in half
Circle stake（1）Place semicircle pile template in inside（8）Continue to pour semicircle stake（1）It is strong to treat that concrete strength reaches design for concrete
Semicircle pile template is removed after degree（8）, it is carried out at the same time interim column（11）And interim column pile foundation（13）Construction；
Step 2：It carries out foundation pit once to excavate, excavation of foundation pit to Guan Liang（3）To Guan Liang at the elevation location of bottom（3）Longitudinally through plant
Muscle mode is by entire foundation pit Guan Liang（3）It links together, achievees the purpose that whole stress, construction lid digs station top plate（5）And its
Upper bracket（10）, treat that lid digs station top plate（5）When concrete reaches design strength, perform lid and dig station top plate（5）Waterproof, in half
Circle stake（1）On capping beam performed by bar planting mode（2）And carry out concreting；
Step 3：With excavation of foundation pit and set up interim column（11）, first of interim column（11）It is set up in bracket（10）On, lead to
Cross bracket（10）And lid digs station top plate（5）Side direction horizontal load is transferred to fender post（4）On, it can be according to prison in work progress
Result is surveyed to interim column（11）Internal force is adjusted, and ensures deep pit monitor；
Step 4：After being excavated to substrate, construct successively according to construction way station bottom plate, middle plate, top plate finally restore road surface,
Complete entire subway station digging method construction process.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610544533.5A CN106013241B (en) | 2016-07-12 | 2016-07-12 | Guan Liang foundation trench uprightly performs and cap excavation method station integrated structure system and construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610544533.5A CN106013241B (en) | 2016-07-12 | 2016-07-12 | Guan Liang foundation trench uprightly performs and cap excavation method station integrated structure system and construction method |
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| Publication Number | Publication Date |
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| CN106013241A CN106013241A (en) | 2016-10-12 |
| CN106013241B true CN106013241B (en) | 2018-06-08 |
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| CN107119711B (en) * | 2017-07-06 | 2022-09-06 | 中国铁路设计集团有限公司 | Connecting structure for large-range adjacent existing transfer station and construction method |
| CN107975038A (en) * | 2017-10-18 | 2018-05-01 | 广州地铁设计研究院有限公司 | A kind of cap excavation method temporary support makees the support of permanent structure concrete and its construction method |
| CN108277823A (en) * | 2018-02-02 | 2018-07-13 | 北京市政建设集团有限责任公司 | A kind of construction method of subway platform layer totality |
| CN108331021A (en) * | 2018-03-22 | 2018-07-27 | 重庆建工第七建筑工程有限责任公司 | Half cap excavation method large span bedding structure of one kind and its construction method |
| CN109356196B (en) * | 2018-11-21 | 2020-07-31 | 中铁十一局集团城市轨道工程有限公司 | Method and structure for erecting and supporting steel supports of foundation pit of half-cover subway digging station |
| CN109868838B (en) * | 2019-03-12 | 2019-11-26 | 西南交通大学 | A kind of rail traffic of underground utilities close quarters is without column station construction method |
| CN113215910A (en) * | 2021-05-21 | 2021-08-06 | 中铁隧道局集团有限公司 | Temporary pavement structure based on construction of limited-site subway station and application thereof |
| CN114703833A (en) * | 2022-04-27 | 2022-07-05 | 中铁三局集团有限公司 | Construction method for semi-circular piles for covering and digging station |
| CN114775690B (en) * | 2022-06-17 | 2022-10-21 | 北京建工土木工程有限公司 | Construction method of temporary bearing device for roof by cover-excavation method |
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| JP3327191B2 (en) * | 1997-11-19 | 2002-09-24 | 鹿島建設株式会社 | Underground structure and its construction method |
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