CN105604064A - Construction method of comprehensive pipeline protection system supporting system - Google Patents

Construction method of comprehensive pipeline protection system supporting system Download PDF

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Publication number
CN105604064A
CN105604064A CN201510976444.3A CN201510976444A CN105604064A CN 105604064 A CN105604064 A CN 105604064A CN 201510976444 A CN201510976444 A CN 201510976444A CN 105604064 A CN105604064 A CN 105604064A
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CN
China
Prior art keywords
support
construction
steel
channel
pipeline
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510976444.3A
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Chinese (zh)
Inventor
陈慕贞
肖焕詹
谢永超
庄鑫城
劳国铭
黄华
黄勇
莫莉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GUANGZHOU MACHINE FACILITIES CONSTRUCTION GROUP CO Ltd
Original Assignee
GUANGZHOU MACHINE FACILITIES CONSTRUCTION GROUP CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by GUANGZHOU MACHINE FACILITIES CONSTRUCTION GROUP CO Ltd filed Critical GUANGZHOU MACHINE FACILITIES CONSTRUCTION GROUP CO Ltd
Priority to CN201510976444.3A priority Critical patent/CN105604064A/en
Publication of CN105604064A publication Critical patent/CN105604064A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00Excavations; Bordering of excavations; Making embankments
    • E02D17/02Foundation pits

Abstract

The invention discloses a construction method of a comprehensive pipeline protection system supporting system. The method comprises the following steps that multiple stand column holes which are formed at intervals are dug in supporting earthwork, and multiple stand columns are mounted in the multiple stand column holes respectively; a belfast truss support is fixedly arranged at one sides of the stand columns, belfast trusses are mounted on the belfast truss support, box iron is used for penetrating through and being supported on the belfast trusses, and the box iron is located below ground pipelines and used for supporting the ground pipelines; suspension assemblies are arranged on buried pipelines, and the upper ends of the suspension assemblies are fixed to the box iron; the supporting earthwork is dug, and engineering foundation pit retaining and protection construction is conducted; after construction is completed, supporting seats are arranged below the ground pipelines and the buried pipelines respectively, and the suspension assemblies, the box iron, the belfast trusses, the belfast truss support and the stand columns are dismounted; the supporting earthwork is backfilled. By means of the construction method, the adverse influences of temporary interruption of water supply, cold air supply, gas supply and the like of peripheral buildings in the engineering foundation pit retaining and protection construction process are eliminated; it is guaranteed that engineering foundation pit retaining and protection construction can be conducted smoothly.

Description

Comprehensive pipeline protection system support system construction method
Technical field
The present invention relates to a kind of comprehensive pipeline protection system support system construction method.
Background technology
In the time of Deep Foundation Pit supporting construction, need to open the support earthwork of outdoor integrated pipelineDig, support the earthwork for supporting the earthwork (being called surface line) of pipeline, some pipelines positionIn support cubic metre of earth top (being called buried pipeline), some pipelines be embedded in support cubic metre of earth inPortion. Because the outdoor integrated pipeline that periphery builds and the building that comes into operation is supporting is embedded inWithin the scope of the excavation of foundation ditch, and its comprehensive pipeline is because building comes into operation, so combineClose under the state that pipeline is in normal operation.
Traditional pipeline protection technology generally adopts pipeline strange land to move to change, but while construction, due toThe not reserved connecting port of surrounding building comprehensive pipeline, so connect the mistake of new pipeline at old pipelineCheng Zhong must stop all pipeline performances temporarily, waits and has plugged into after all pipelines, can continueWater supply, cooling, air feed. But neighboring buildings is senior office building, as it cut off the water, is stopped temporarilyIn cold, the situation of stopping the supple of gas or steam, must cause tremendous influence to the normal operation of building.
Summary of the invention
For the deficiencies in the prior art, object of the present invention is intended to provide a kind of comprehensive pipeline to protectWatch box is support system construction method, has solved in Deep Foundation Pit supporting construction process on the one handThe harmful effects such as cutting off the water temporarily, stopping of middle caused surrounding building is cold, stop the supple of gas or steam; On the one hand againThe support earthwork of pipeline can be excavated, thereby ensure the foundation pit support construction energy of engineeringEnough successfully constructions.
For achieving the above object, the present invention adopts following technical scheme:
Comprehensive pipeline protection system support system construction method, comprises the following steps:
In the support earthwork, dig multiple legholes spaced apart, multiple columns are installed respectivelyIn the plurality of leghole;
A side at this column sets firmly Bailey bracket bearing, and shellfish thunder is installed above Bailey bracket bearingFrame, utilizes a channel-section steel to wear and be supported in Bailey bracket, and this channel-section steel is positioned at surface line below alsoBe used for supporting surface line; Suspention assembly is set on buried pipeline, and this suspention assembly is used for hangingIf buried pipeline, the upper end of this suspention assembly is fixed on described channel-section steel;
Excavation supports the earthwork and carries out Deep Foundation Pit supporting construction;
After construction, below surface line and buried pipeline, supporting seat is set respectively, andRemove suspention assembly, channel-section steel, Bailey bracket, Bailey bracket bearing and column;
The earthwork is supported in backfill.
Adopt the form of artificial digging pile that this leghole is set.
On the plate that basement structure is every layer, be equipped with the preformed hole passing for artificial digging pile, this peopleThe lower end of work caisson is arranged in the below of basement structure base plate, and this supporting seat is located at basementThe top of structure roof.
Removing after suspention assembly, channel-section steel, Bailey bracket, Bailey bracket bearing and column, be somebody's turn to doThe reparation of preformed hole.
Suspention assembly comprises band iron and two screw rods, and band iron is located in the bottom of pipeline and this is flatThe two ends of iron are positioned at the top of this pipeline, and channel-section steel upper and lower end is all fixed in the upper end of two screw rodsFix with the two ends of described two screw rods respectively.
In the time that Bailey bracket and channel-section steel are installed, first retain the support earthwork of surface line below, andAt the support earth excavation Bailey bracket mounting groove of the both sides of surface line, then, at surface lineThe support earth excavation channel-section steel mounting groove of below, is installed on this Bailey bracket peace by the lower end of Bailey bracketIn tankage, channel-section steel is installed in this channel-section steel mounting groove, and this channel-section steel passes Bailey bracket and is supported inIn this Bailey bracket.
Before suspention assembly is installed, while needing excavation to surround the support earthwork of buried pipeline, firstAround buried pipeline, excavation one supports hole, sets up temporary supporting in the bottom in this support hole,Utilize this temporary supporting to support this pipeline, installing after suspention assembly, remove this temporary supporting,And continue excavation remaining support cubic metre of earth.
Adopt the mode of excavation section by section to excavate the support earthwork of surrounding buried pipeline.
Below surface line and buried pipeline, arrange after supporting seat, successively remove suspention assembly,Channel-section steel, Bailey bracket, Bailey bracket bearing and column.
When column is installed, between adjacent upright posts, be also provided with bridging.
Beneficial effect of the present invention is:
Than prior art, the present invention, in the time carrying out Deep Foundation Pit supporting construction, is first supportingOn cubic metre of earth, dig multiple legholes, column is inserted in installing hole, and in the Bailey bracket of columnBailey bracket is installed on bearing, so just can utilizes Bailey bracket to wear channel-section steel, and utilize this channel-section steelSupport surface line, and, on channel-section steel, can also be used for fixing suspention assembly, utilize suspention groupPart hangs establishes buried pipeline, and like this, for facility, suspention assembly, channel-section steel, Bailey bracket, Bailey bracket are propped upSeat and column have replaced the original support of pipeline, passable in the time carrying out at Deep Foundation Pit supporting constructionPosition and protect, make pipeline normally to work to pipeline, solved in engineering on the one handIn foundation pit support construction process the surrounding building that causes cut off the water temporarily, stop cold, stop the supple of gas or steam etc. noGood impact; The support earthwork of pipeline can be excavated again on the one hand, thereby ensure engineeringFoundation pit support construction can successfully construct.
Brief description of the drawings
Fig. 1 is the working state schematic representation of the present invention in the time digging Bailey bracket mounting groove;
Fig. 2 is the working state schematic representation of the present invention in the time digging channel-section steel mounting groove;
Fig. 3 is the working state schematic representation of the present invention in the time that channel-section steel and Bailey bracket are installed;
Fig. 4 is the schematic side view (clipped supports the earthwork) of Fig. 3;
Fig. 5 is the schematic side view of Fig. 4;
Fig. 6 is that Fig. 5 wears the working state schematic representation after channel-section steel;
Fig. 7 is that the present invention is at the working state schematic representation of having installed after channel-section steel and Bailey bracket;
Fig. 8 is that the present invention is digging the working state schematic representation that supports hole and temporary supporting;
Fig. 9 is that the present invention is at the working state schematic representation that suspention assembly is installed;
Figure 10 is the working state schematic representation of the present invention at dismounting temporary supporting;
Figure 11 is the working state schematic representation that the present invention arranges supporting seat after construction completes;
Figure 12 is the working state schematic representation of the present invention at dismounting suspention assembly;
Figure 13 is the working state schematic representation of the present invention in dismounting channel-section steel and Bailey bracket;
Figure 14 is the present invention supports earthwork working state schematic representation in backfill;
Wherein: 1, support the earthwork; 11, leghole; 12, support hole; 13, temporary supporting;14, Bailey bracket mounting groove; 15, channel-section steel mounting groove; 16, artificial digging pile; 2, column;21, Bailey bracket bearing; 3, Bailey bracket; 4, channel-section steel; 5, surface line; 6, buried pipeline;7, suspention assembly; 71, band iron; 72, screw rod; 8, supporting seat; 9, basement structure;91, plate; 911, preformed hole; 10, bridging.
Detailed description of the invention
Below, by reference to the accompanying drawings and detailed description of the invention, the present invention is described further:
Comprehensive pipeline protection system support system construction method of the present invention, comprises the following steps:
In the support earthwork, dig multiple legholes spaced apart, multiple columns are installed respectivelyIn the plurality of leghole;
A side at this column sets firmly Bailey bracket bearing, and shellfish thunder is installed above Bailey bracket bearingFrame, utilizes a channel-section steel to wear and be supported in Bailey bracket, and this channel-section steel is positioned at surface line below alsoBe used for supporting surface line; Suspention assembly is set on buried pipeline, and this suspention assembly is used for hangingIf buried pipeline, the upper end of this suspention assembly is fixed on described channel-section steel;
Excavation supports the earthwork and carries out Deep Foundation Pit supporting construction;
After construction, below surface line and buried pipeline, supporting seat is set respectively, andRemove suspention assembly, channel-section steel, Bailey bracket, Bailey bracket bearing and column;
The earthwork is supported in backfill.
The present invention, in the time carrying out Deep Foundation Pit supporting construction, first digs multiple vertical in the support earthworkPost hole, is inserted in column in installing hole, and on the Bailey bracket bearing of column, Bailey bracket is installed,So just, can utilize Bailey bracket to wear channel-section steel, and utilize this channel steel support surface line, and,On channel-section steel, can also be used for fixing suspention assembly, utilize suspention assembly to hang and establish buried pipeline, like this,For facility, suspention assembly, channel-section steel, Bailey bracket, Bailey bracket bearing and column have replaced pipeline originalSupport, can pipeline be positioned and be protected in the time carrying out at Deep Foundation Pit supporting construction,Pipeline can normally be worked, solved in Deep Foundation Pit supporting construction process and made on the one handThe harmful effects such as cutting off the water temporarily, stopping of one-tenth surrounding building is cold, stop the supple of gas or steam; On the one hand again can be byThe support earthwork of pipeline is excavated, thereby has ensured that the foundation pit support construction of engineering can be smoothGround construction, ensures the normal operation of adjacent buildings.
Next in conjunction with concrete structure, construction method of the present invention is described:
As shown in Figures 1 to 6, in the time that Bailey bracket 3 and channel-section steel 4 are installed, first reservation facial canalThe support earthwork 1 of line 5 belows, and excavate in the support earthwork 1 of the both sides of surface line 5Bailey bracket mounting groove 14, can ensure resistance to overturning and the minimizing of surface line 5 like thisThe sedimentation of pipeline; Then, channel-section steel mounting groove is excavated in the support earthwork 1 below surface line 515, the lower end of Bailey bracket 3 is installed in this Bailey bracket mounting groove 14, channel-section steel 4 is installed onIn this channel-section steel mounting groove 15, this channel-section steel 4 is through Bailey bracket 3 and be supported in this Bailey bracket 3On. Further, when Bailey bracket 3 is installed, need to keep Bailey bracket 3 lower booms and pipeline bottomReserve the space that channel-section steel 4 is installed, avoided when space is excessive causes pipeline to be placed in channel-section steel 4 producingRaw excessive sedimentation, causes the damage of pipeline. Complete after the installation of Bailey bracket 3, according to channel-section steel4 installation site, supporting in the pipeline earthwork, laterally excavates out the required of interspersed channel-section steel 4Space, for fear of the sedimentation that causes surface line 5 in the time excavating, the width of excavation should be avoidedExcessive, meet the interspersed construction space of channel-section steel 4.
Preferably, in the time that channel-section steel 4 is installed, channel-section steel 4 is passed to Bailey bracket 3 and is supported on Bei LeiOn the lower boom of frame 3, and fix with bolt. Again preferably, if deposited between steel Bailey bracket 3In space, available steel plate is filled the space between channel-section steel Bailey bracket 3. Further, channel-section steel 4Connect with adopting U-shaped ring being connected of Bailey bracket 3, and at the opening part of U-shaped ring steel plate padAnd high-strength bolt is carried and is fastened.
Please with reference to Fig. 7 to Figure 10, further, before suspention assembly 7 is installed,While needing excavation to surround the support earthwork 1 of buried pipeline 6, first around buried pipeline 6, openDig a support hole 12, set up temporary supporting 13 in the bottom in this support hole 12, utilize this interimSupport 13 and support this pipeline, installing after suspention assembly 7, remove this temporary supporting 13, andAnd continue the remaining support earthwork 1 of excavation. Can avoid so the feedwater piping that moving because ofBelow losing, after the support of the soil body, cause fracture.
Preferably, adopt the mode of excavation section by section to excavate the support soil that surrounds buried pipeline 6Side 1, causes fracture after further avoiding pipeline to lose support.
Further, below surface line 5 and buried pipeline 6, arrange after supporting seat 8, comply withInferior dismounting suspention assembly 7, channel-section steel 4, Bailey bracket 3, Bailey bracket bearing 21 and column 2.
Further, in the time that Bailey bracket bearing 21 is installed, first column 2 open interior erectorsWord steel then, sets firmly this Bailey bracket bearing 21 above I-steel.
Please with reference to Figure 11 to Figure 14, further, due to laying in foundation ditch of pipelineIn scope, when on the position in basement structure 9 in the future, the position of pipelining, column2 must run through the structure of basement, on basement structure 9 plates 91 of every layer, are equipped with confessionThe preformed hole 911 that artificial digging pile 16 passes, the lower end of this artificial digging pile 16 is arranged in groundThe below of lower cell structure 9 base plates, this supporting seat 8 is located at top (of basement structure 9 top boardsEvery one deck of lower cell structure 9 is all provided with plate 91, and the plate 91 of the top is top board, belowPlate 91 is base plate). For reduce due to column 2 run through 9 of basement structures institute cause rightThe difficulty of construction that the impact of structural safety and minimizing are repaired in the future, so arrange position at column 2In the design process of putting, except the span accident that need to ensure that Bailey bracket 3 can bear, also wantConsider the position of the reserved opening that causes when column 2 runs through basement structure 9, avoid column 2Be arranged on the position of beam, post.
Preferably, in the time digging leghole 11, adopt the form setting of artificial digging pile 16 to be somebody's turn to doLeghole 11.
Preferably, for the stability of strengthening supporting, in the time that column is installed, between adjacent upright posts 2Also be provided with bridging 10.
Further, removing suspention assembly 7, channel-section steel 4, Bailey bracket 3, Bailey bracket bearing21 and column 2 after, carry out the reparation of this preformed hole 911.
Preferably, suspention assembly 7 comprises band iron 71 and two screw rods 72, and band iron 71 enclosesIn the bottom of pipeline and the two ends of this band iron 71 be positioned at the top of this pipeline, two screw rods 72Upper end be all fixed on channel-section steel 4 upper and lower ends and fix with the two ends of described two screw rods 72 respectively.Be welded into suspension ring with screw rod 72 and band iron 71, avoid because of screw rod 72 and the contact-making surface of pipelineVery few, cause damaging pipeline.
To one skilled in the art, can be according to technical scheme described above and structureThink, make other various corresponding changes and deformation, and all these changes and deformationWithin all should belonging to the protection domain of the claims in the present invention.

Claims (10)

1. comprehensive pipeline protection system support system construction method, is characterized in that, comprises followingStep:
In the support earthwork, dig multiple legholes spaced apart, multiple columns are installed respectivelyIn the plurality of leghole;
A side at this column sets firmly Bailey bracket bearing, and shellfish thunder is installed above Bailey bracket bearingFrame, utilizes a channel-section steel to wear and be supported in Bailey bracket, and this channel-section steel is positioned at surface line below alsoBe used for supporting surface line; Suspention assembly is set on buried pipeline, and this suspention assembly is used for hangingIf buried pipeline, the upper end of this suspention assembly is fixed on described channel-section steel;
Excavation supports the earthwork and carries out Deep Foundation Pit supporting construction;
After construction, below surface line and buried pipeline, supporting seat is set respectively, andRemove suspention assembly, channel-section steel, Bailey bracket, Bailey bracket bearing and column;
The earthwork is supported in backfill.
2. comprehensive pipeline protection system support system construction method as claimed in claim 1, itsBe characterised in that, adopt the form of artificial digging pile that this leghole is set.
3. comprehensive pipeline protection system support system construction method as claimed in claim 2, itsBe characterised in that, on the plate that basement structure is every layer, be equipped with pass for artificial digging pile reservedHole, the lower end of this artificial digging pile is arranged in the below of basement structure base plate, and this supporting seat is establishedIn the top of basement structure top board.
4. comprehensive pipeline protection system support system construction method as claimed in claim 3, itsBe characterised in that, removing after suspention assembly, channel-section steel, Bailey bracket, Bailey bracket bearing and column,Carry out the reparation of this preformed hole.
5. comprehensive pipeline protection system support system construction method as claimed in claim 1, itsBe characterised in that, suspention assembly comprises band iron and two screw rods, and the bottom that band iron is located in pipeline alsoAnd the two ends of this band iron are positioned at the top of this pipeline, channel-section steel is all fixed in the upper end of two screw rodsUpper and lower end is fixed with the two ends of described two screw rods respectively.
6. comprehensive pipeline protection system support system construction method as claimed in claim 1, itsBe characterised in that, in the time that Bailey bracket and channel-section steel are installed, first retain the support earthwork of surface line below,And at the support earth excavation Bailey bracket mounting groove of the both sides of surface line, then, on groundThe support earth excavation channel-section steel mounting groove of pipeline below, is installed on this shellfish thunder by the lower end of Bailey bracketIn frame mounting groove, channel-section steel is installed in this channel-section steel mounting groove, and this channel-section steel passes Bailey bracket and props upSupport in this Bailey bracket.
7. comprehensive pipeline protection system support system construction method as claimed in claim 1, itsBe characterised in that, before suspention assembly is installed, need excavation to surround the support earthwork of buried pipelineTime, first around buried pipeline, excavation one supports hole, sets up in the bottom in this support hole temporarilySupport, utilize this temporary supporting to support this pipeline, installing after suspention assembly, remove that this is interimSupport, and continue excavation remaining support cubic metre of earth.
8. comprehensive pipeline protection system support system construction method as claimed in claim 7, itsBe characterised in that, adopt the mode of excavation section by section to excavate the support earthwork of surrounding buried pipeline.
9. comprehensive pipeline protection system support system construction method as claimed in claim 1, itsBe characterised in that, below surface line and buried pipeline, arrange after supporting seat, remove successively suspentionAssembly, channel-section steel, Bailey bracket, Bailey bracket bearing and column.
10. comprehensive pipeline protection system support system construction method as claimed in claim 1,It is characterized in that, when column is installed, between adjacent upright posts, be also provided with bridging.
CN201510976444.3A 2015-12-21 2015-12-21 Construction method of comprehensive pipeline protection system supporting system Pending CN105604064A (en)

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Application Number Priority Date Filing Date Title
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105972313A (en) * 2016-05-30 2016-09-28 广州地铁设计研究院有限公司 Overhang method and overhang structure for engineering pipeline stretching across foundation pit
CN107131355A (en) * 2017-05-24 2017-09-05 五冶集团上海有限公司 A kind of method and device for changing heavy caliber aerial pipeline
CN110593268A (en) * 2018-06-12 2019-12-20 中铁十八局集团有限公司 Underground pipeline excavation construction technology based on support piles and bailey frames for protection
CN112323854A (en) * 2019-08-05 2021-02-05 张继红 Forest type excavation construction method for subway station

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2733263A1 (en) * 2012-11-16 2014-05-21 Bayer MaterialScience AG Method and protective wall for securing a civil engineering site
CN104594358A (en) * 2015-01-07 2015-05-06 江苏中南建筑产业集团有限责任公司 Sequential construction and reversed construction Clockwise and counter-clockwise combined construction method of irregular planar deep foundation pit
CN104652418A (en) * 2014-12-24 2015-05-27 广州机施建设集团有限公司 Continuous wall underground pipeline position construction method
CN104676110A (en) * 2015-01-22 2015-06-03 中国地质大学(武汉) On-site overhanging protection method of high-voltage cable bailey truss under condition of excavation of foundation pit

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2733263A1 (en) * 2012-11-16 2014-05-21 Bayer MaterialScience AG Method and protective wall for securing a civil engineering site
CN104652418A (en) * 2014-12-24 2015-05-27 广州机施建设集团有限公司 Continuous wall underground pipeline position construction method
CN104594358A (en) * 2015-01-07 2015-05-06 江苏中南建筑产业集团有限责任公司 Sequential construction and reversed construction Clockwise and counter-clockwise combined construction method of irregular planar deep foundation pit
CN104676110A (en) * 2015-01-22 2015-06-03 中国地质大学(武汉) On-site overhanging protection method of high-voltage cable bailey truss under condition of excavation of foundation pit

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105972313A (en) * 2016-05-30 2016-09-28 广州地铁设计研究院有限公司 Overhang method and overhang structure for engineering pipeline stretching across foundation pit
CN105972313B (en) * 2016-05-30 2019-07-26 广州地铁设计研究院股份有限公司 One kind is across base pit engineering conduit wiring suspension method and overhung construction
CN107131355A (en) * 2017-05-24 2017-09-05 五冶集团上海有限公司 A kind of method and device for changing heavy caliber aerial pipeline
CN110593268A (en) * 2018-06-12 2019-12-20 中铁十八局集团有限公司 Underground pipeline excavation construction technology based on support piles and bailey frames for protection
CN112323854A (en) * 2019-08-05 2021-02-05 张继红 Forest type excavation construction method for subway station

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Application publication date: 20160525