CN107178655B - The construction method of PCCP pipe under MODEL OVER COMPLEX TOPOGRAPHY - Google Patents

The construction method of PCCP pipe under MODEL OVER COMPLEX TOPOGRAPHY Download PDF

Info

Publication number
CN107178655B
CN107178655B CN201610132399.8A CN201610132399A CN107178655B CN 107178655 B CN107178655 B CN 107178655B CN 201610132399 A CN201610132399 A CN 201610132399A CN 107178655 B CN107178655 B CN 107178655B
Authority
CN
China
Prior art keywords
pccp
pipe
pccp pipe
construction
crossbeam
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.)
Active
Application number
CN201610132399.8A
Other languages
Chinese (zh)
Other versions
CN107178655A (en
Inventor
朱党辉
李卫丰
田宇科
宋武
闫毅飞
李玉龙
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.)
Sinohydro Bureau 11 Co Ltd
Original Assignee
Sinohydro Bureau 11 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 Sinohydro Bureau 11 Co Ltd filed Critical Sinohydro Bureau 11 Co Ltd
Priority to CN201610132399.8A priority Critical patent/CN107178655B/en
Publication of CN107178655A publication Critical patent/CN107178655A/en
Application granted granted Critical
Publication of CN107178655B publication Critical patent/CN107178655B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L1/00Laying or reclaiming pipes; Repairing or joining pipes on or under water
    • F16L1/024Laying or reclaiming pipes on land, e.g. above the ground
    • F16L1/028Laying or reclaiming pipes on land, e.g. above the ground in the ground
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L1/00Laying or reclaiming pipes; Repairing or joining pipes on or under water
    • F16L1/024Laying or reclaiming pipes on land, e.g. above the ground
    • F16L1/06Accessories therefor, e.g. anchors

Abstract

The present invention relates to pipelaying techniques fields, and in particular to the construction method of PCCP pipe under MODEL OVER COMPLEX TOPOGRAPHY.The construction method of PCCP pipe under MODEL OVER COMPLEX TOPOGRAPHY provided by the invention, is included in that the transverse and longitudinal direction gradient is big, under rich groundwater landform, and the depth and operating radius buried according to the gradient on slope, PCCP pipe select crawler crane construction;The job platform for being laid with groove and crawler crane is dug out on the slope, is laid with substrate on the back filled region by rolling;PCCP pipe is lifted;PCCP pipe lifts by crane posterior axis and groove is arranged in parallel, and for interior drawing equipment to drawing in mounted PCCP pipe progress, interior drawing equipment includes using hand cucurbit and electric hydraulic equipment progress;Mounted PCCP pipe is suppressed, after suppressing qualification twice, to the pipe out-seam cementation of fissures between PCCP tube faucet end and socket end, by female end and the filling tamping of the working pit of socket end;The pipeline of filling tamping is fixed and is backfilled.The present invention provides construction method of the PCCP pipeline of complete set in complicated landform.

Description

The construction method of PCCP pipe under MODEL OVER COMPLEX TOPOGRAPHY
Technical field
The present invention relates to pipelaying techniques fields, and in particular to the construction method of PCCP pipe under MODEL OVER COMPLEX TOPOGRAPHY.
Background technique
In the prior art, there is mature large-scale PCCP pipeline mounting construction engineering method in China, but method is only at flat position It uses, the Pipe installing in complicated landform is not suitable under MODEL OVER COMPLEX TOPOGRAPHY, especially the region of rich groundwater, using dragon Gantry crane construction, there is a problem of it is more, therefore, in current engineering PCCP pipeline mounting construction, but since large-scale PCCP is managed From great, large lifting equipment is higher to slope requirement in road, it is difficult to meet the lifting construction in the gradient larger period, cannot reach The index for meeting economical rationality in engineering is not achieved in Pipe installing function.
Chinese patent CN101968138A discloses a kind of PCCP pipeline field aperture construction method, comprising the following steps: The first step shaves off original mortar cover in standard pipe position of opening, exposes compressor wire, the ring for needing to be truncated in aperture The dedicated anchor block of compressor wire is loaded onto the position of 30mm bigger than opening diameter on compressor wire, carries out to compressor wire Anchoring, and smoothed out all anchor blocks with epoxy resin mortar, it is embedded in steel wire anchoring block in epoxy resin mortar in advance, the thickness of epoxy resin mortar More than or equal to the thickness of primary standard pipe mortar cover, and tapping does not smear epoxy resin mortar;Second step, by the steel set with branch pipe Pipe dimidiation is greater than pre-drilled cavity standard pipe outside diameter 100mm in the integral casing of position of opening site welding, casing inner diameter;Third Step, the dense packing effect expansive mortar in the gap between branch pipe steel casing and primary standard pipe;4th step is truncated in tapping Steel wire simultaneously carries out pipeline tapping using drilling tool, at pipeline tapping and with branch pipe steel casing branch pipe junction epoxy resin mortar Smooth out sealing.But the patent does not solve at present slope is larger, PCCP Pipe installing is applied in engineering of underground water buried depth state yet Work accuracy is low, the high problem of difficulty of construction.
Summary of the invention
In order to overcome the defects of the prior art, under MODEL OVER COMPLEX TOPOGRAPHY provided by the invention PCCP pipe construction method root According to the complexity that a large amount of transverse and longitudinal double pitches are larger, underground water buried depth is shallow, difficulty of construction is high present in mountainous region in engineering, beach landform Orographic condition optimizes and revises the transformations of various equipment, arrangement and method for construction, and the solution large size PCCP pipe for providing complete set exists Construction method in complicated landform.
The present invention is achieved through the following technical solutions: the construction method of PCCP pipe under MODEL OVER COMPLEX TOPOGRAPHY, including with Lower step:
Step 1, transverse direction and the longitudinal direction gradient be big, under MODEL OVER COMPLEX TOPOGRAPHY of rich groundwater, according to the slope on slope Degree, the depth buried of PCCP pipe and the operating radius for applying man-hour requirement, selection and determine the crawler crane that model matches;
Step 2, on the slope for being greater than crawler crane maximum ramp angle described in step 1, paving is dug out according to design requirement If several are joined end to end by PCCP pipe when the groove in adapter tube road, and the foundation plane of the groove is batholith, in the groove Either side builds the job platform for placing crawler crane by the way of cut and fill, and to the back filled region in cut and fill mode Layered rolling is carried out, is laid with substrate on the back filled region by rolling, the substrate is arranged in below the crawler belt of crawler crane;
Step 3, PCCP pipe to be installed is lifted, the work built in step 2 is arranged in the crawler crane that step 1 determines On industry platform, according to the gradient on slope, select the hanger rope different from the length that the gradient on the slope matches with it is to be installed PCCP pipe is bundled, and the PCCP to be installed of binding is managed on the suspension hook that firm hanger rope is hung on cantilever, carries out lifting operation, In lifting, the pipe axis and groove base surface after PCCP pipe lifting to be installed are in parallel arrangement, PCCP Guan Yuyi peace to be installed The angle of dress PCCP pipeline is maintained at 0 °;
Step 4, it carries out interior draw to PCCP pipe to be installed using interior drawing equipment to install, the interior drawing equipment is to wait pacifying across two sections Fill the electric hydraulic equipment of PCCP pipe installation;
Step 5, it suppresses to having installed PCCP pipe, after suppressing qualification twice, two sections being connected has been installed Pipeline out-seam between the female end and socket end of PCCP pipe carries out cementation of fissures construction, and the working pit of female end and socket end is filled out Plug tamping carries out part backfill to the pipeline installed and fixes;
Step 6, component is drawn to fix using temporarily interior the PCCP pipe of installation that cannot carry out part backfill fixation in time, institute Stating and drawing component in interim is the chain block that the installation of PCCP pipe has been installed across two sections.
Further, the build mode of the job platform is staging bench formula.
Further, it when the foundation plane of the PCCP pipe dug out in step 2 is batholith, is laid on batholith thick in 20 ㎝ thickness Sand bedding course, the granularity of the medium coarse sand are 0.35~5.00mm.
Further, the medium coarse sand bed course uses staged isolation method, and the staged isolation method is at every three The tooth pier of one of concrete is arranged in the connecting pin of PCCP pipe, is closed space between two tooth piers, is arranged in the gradient It is connect at the one third of the PCCP pipe connecting pin setting tooth pier length at end with the PCCP pipe connecting pin of gradient lower end, the tooth pier Height hexagonal angle that PCCP pipe is set position below.
Further, the length of the tooth pier is 1500mm, is highly 1600mm, the center of the PCCP pipe setting tooth pier Position.
Further, electric hydraulic equipment described in step 4 is small including being separately positioned on bellmouth crossbeam trolley, socket crossbeam Vehicle and hydraulic system and electric-control system on the hydraulic cylinder support walking dolly at middle part, the hydraulic system including setting respectively The double rod two-way hydraulic cylinder in PCCP pipe to be installed two sides is set, double rod two-way hydraulic cylinder two sides are respectively equipped with to be connected with piston rod The piston connect is respectively equipped with control switch on the double rod two-way hydraulic cylinder, and the control switch receives the control work of electric cabinet Make, the bellmouth crossbeam trolley and socket crossbeam trolley are equipped with bellmouth crossbeam and socket crossbeam, and the bellmouth crossbeam and socket are horizontal It is equipped with adjusting screw rod in the middle part of beam, the both ends of the bellmouth crossbeam and socket crossbeam are respectively equipped with hinged steel disc.
Further, the double rod two-way hydraulic cylinder is bidirectional hydraulic driving, and stroke 1.1m, diameter of cylinder is 18 ㎝, Cylinder body thrust is 30t, and movement velocity is 1.0m/ minutes.
Further, the hydraulic system includes 5.5 kilowatts of motor of power.
Further, interim interior drawing component described in step 6 includes stress crossbeam, the connecting rod for being separately positioned on upstream and downstream With 10t chain block.
Compared with prior art, superior effect is: complicated landform PCCP pipe installation method provided by the invention, solves Situations such as engineering geology and application achievements and existing technical level, construction experience under complicated site operation environment, It takes point step to create operation platform, equipment increasing installation effect is drawn in long strap regulation pipe road lifting angle, transformation tradition Rate fixes the measures such as reinforcing mode section by section, solves and manages in heavy grade from going up a slope to descending large size PCCP under MODEL OVER COMPLEX TOPOGRAPHY The technical problem of road installation.
Detailed description of the invention
Fig. 1 is the schematic diagram of the construction method working face setting of PCCP pipe under MODEL OVER COMPLEX TOPOGRAPHY of the present invention;
Fig. 2 is the main view of this Fig. 1;
Fig. 3 is the longitudinal section cross-sectional view of the construction method of PCCP pipe under MODEL OVER COMPLEX TOPOGRAPHY of the present invention;
Fig. 4 is the cross-sectional view of tooth pier cross section in the construction method of PCCP pipe under MODEL OVER COMPLEX TOPOGRAPHY of the present invention;
Fig. 5 is the structure enlarged cross-sectional view of tooth pier in the construction method of PCCP pipe under MODEL OVER COMPLEX TOPOGRAPHY of the present invention;
Fig. 6 is the cross-sectional view of interior pulling method in the construction method of PCCP pipe under MODEL OVER COMPLEX TOPOGRAPHY of the present invention.
Appended drawing reference:
1- operating radius, 2- working face, 3- hang cantilever, and 4-PCCP is managed, 5- crawler crane, 6- job platform, the slanting face 7-, 8- tooth pier, 9- chain block, 10- electric hydraulic equipment, 11- suspension hook, 12- hanger rope, 13- PCCP pipe to be installed.
Specific embodiment
The specific embodiment of the invention is described in further detail with reference to the accompanying drawing.
As illustrated in fig. 1 and 2, the construction method of PCCP pipe under MODEL OVER COMPLEX TOPOGRAPHY provided by the invention is illustrated, including Following steps:
Step 1, transverse direction and the longitudinal direction gradient be big, under MODEL OVER COMPLEX TOPOGRAPHY of rich groundwater, according to the slope on slope Degree, the depth buried of PCCP pipe 4 and the operating radius 1 for applying man-hour requirement, selection and determine the crawler crane 5 that model matches;
Step 2, on the slope, dug out according to design requirement and be laid with several and joined end to end the ditch in adapter tube road by PCCP pipe 4 Slot, the groove either side by the way of cut and fill, build place crawler crane 5 job platform 6, the operation horizontal The build mode of platform 6 is staging bench formula, and carries out layered rolling to the back filled region in cut and fill mode, is rolled in process Substrate is laid on back filled region, the substrate is arranged in below the crawler belt of crawler crane 5;In the present embodiment, the determination of value of slope is root Determined according to the model of the crawler crane 5 of selection, greater than selected crawler crane 5 maximum allowable ramp angle when, need to manufacture Crawler crane job platform 6, such as: the climbing capacity of the crawler crane of 320t is 30%, this and brachium are also related certainly, that is, Maximum ramp angle is 16.69 °, when actual topography and geomorphology has the gradient greater than 16.69 °, it is necessary to build job platform 6;When the foundation plane of the PCCP pipe 4 dug out in step 2 is batholith, be laid with the medium coarse sand bed course of 20 ㎝ thickness on batholith, it is described in The granularity of coarse sand is 0.35~5.00mm;
Step 3, PCCP pipe 13 to be installed is lifted, the setting of crawler crane 5 that step 1 determines is built in step 2 Job platform 6 on, according to the gradient on slope, select the hanger rope 12 different from the length that the gradient on the slope matches and to Installation PCCP pipe 13 is bundled, and the firm hanger rope 12 of PCCP pipe to be installed 13 of binding is hung on the suspension hook 11 on cantilever 3, Lifting operation is carried out, in lifting, the pipe axis and groove base surface after the lifting of PCCP pipe 13 to be installed are in parallel arrangement, wait pacify Dress PCCP pipe 13 is maintained at 0 ° with the angle for having installed 4 pipeline of PCCP pipe;
Step 4, it carries out interior drawing to PCCP pipe 13 to be installed using interior drawing equipment to install, the interior drawing equipment is to wait for across two sections The electric hydraulic equipment 10 that PCCP pipe 13 is installed is installed;
Step 5, it suppresses to having installed PCCP pipe 4, after suppressing qualification twice, two sections being connected has been installed Pipeline out-seam between the female end and socket end of PCCP pipe 4 carries out cementation of fissures construction, and by the working pit of female end and socket end Filling tamping carries out part backfill to the pipeline installed and fixes;
Step 6, step and backfill are fixed to the pipeline for clogging tamping in step 5.It is fixed and refilling step in pipeline In, when slope segment pipe is installed from the top down, displacement observation point is set in pipe, testing result is shown, the pipeline slope of PCCP pipe 4 When degree reaches 15% or more, PCCP pipe 4 has micro- falling tendency, and pipe seam, which gradually splits, to be come, and exceeds quality acceptance standard.Through analyzing Out, it is hard rock foundation that the downslide of 4 pipeline of PCCP pipe, which is primarily due to base surface, in the rock foundation on groove base surface It is laid with the medium coarse sand bed course of 20 ㎝ thickness, when the gradient reaches certain limit when pipeline foundation face, medium coarse sand bed course is just in pipeline and rock It is formed between body together " lubricant ", is influenced by lower pipeline installation external force, form falling tendency.Exist in conduit running dynamic Buffer function is played when water pressure, avoids pipeline from directly contacting with batholith, damages pipeline, reducing the service life of integrated piping. Medium coarse sand bed course under free state is also easy to produce " liquefaction " under external force, is the main problem for causing pipeline to glide.This hair It is bright to use staged isolation, i.e., one of concrete is set at every three PCCP pipe ends and stops pier 8, by medium coarse sand staged isolation, forms envelope The carrier closed.Concrete thrust tooth pier 8 is arranged on hard rock foundation face, the long 1.5m in upstream and downstream direction, sews on outside pipeline Swim 50 ㎝, 100 ㎝ of downstream, 8 height of thrust pier to 120 ° of pipeline hereinafter, using plain concrete pouring molding, to cannot in time into Row part backfills the fixed PCCP of installation pipe 4 using drawing component to fix in interim, it is described it is interim in draw component be across two sections The chain block 9 that PCCP pipe 4 is installed is installed, wherein interim interior drawing component described in step 6 includes being separately positioned on upstream and downstream Stress crossbeam, connecting rod and 10t chain block.
Such as Fig. 3-5, the medium coarse sand bed course uses staged isolation method, and the staged isolation method is in every three PCCP The tooth pier 8 of one of concrete is arranged in the connecting pin of pipe 4, is closed space between two tooth piers 8, is arranged in gradient upper end 4 connecting pin of PCCP pipe setting 8 length of tooth pier one third at connect with 4 connecting pin of PCCP pipe of gradient lower end, the tooth The position of the hexagonal angle of PCCP pipe 4 or less is arranged in the height of pier 8.The total length of tooth pier 8 is 3b, and the height of tooth pier 8 is h.This In embodiment, the length of the tooth pier 8 is that 3b is 1500mm, and height h is 1600mm, and the center of tooth pier 8 is arranged in the PCCP pipe 4 Position, the one third length b of 8 length of tooth pier are 500mm.
In the present embodiment, electric hydraulic equipment 10 described in step 4 includes being separately positioned on bellmouth crossbeam trolley, socket cross Beam trolley and hydraulic system and electric-control system on the hydraulic cylinder support walking dolly at middle part, running gear is drawn in entire The support system of system and the interior component for drawing equipment mobile, walking dolly is divided into bellmouth crossbeam trolley, inserts in PCCP pipe 4 Mouthful crossbeam trolley and hydraulic cylinder support walking dolly composition positioned at middle part, it is ensured that bell and spigot crossbeam, hydraulic cylinder are in a level General work, reduces that connector is sagging causes the too big problem in gap, and entire component is made to form entirety, be easily installed, remove, Walking, forms pipelining operation.Hydraulic cylinder and electric-control system are mainly responsible for pulling force in offer, are operated using Full-automatic electric-controlled, institute Stating hydraulic system includes the double rod two-way hydraulic cylinder for being separately positioned on 13 two sides of PCCP pipe to be installed, the double rod two-way hydraulic cylinder Two sides are respectively equipped with the piston connecting with piston rod, control switch are respectively equipped on the double rod two-way hydraulic cylinder, to adjust Pipe seam is poor at left and right sides of pipeline.The control switch receives the control work of electric cabinet, and the bellmouth crossbeam trolley and socket are horizontal Beam trolley is equipped with bellmouth crossbeam and socket crossbeam, is equipped with adjusting screw rod, bellmouth crossbeam in the middle part of the bellmouth crossbeam and socket crossbeam It is mainly responsible for socket crossbeam and is transferred to interior pulling force on pipeline from crossbeam, pulling force when forming pipeline docking, the bellmouth cross Beam and socket crossbeam use 150 ㎜ of diameter, and the hollow pipe or square steel of 15 ㎜ of thickness form, the adjustable screw of middle part setting, It is easy to disassemble so as in inner telescoping tube.The both ends of the bellmouth crossbeam and socket crossbeam are respectively equipped with hinged steel disc, steel disc master It is responsible for for interior pulling force being transferred on bell and spigot crossbeam from hydraulic cylinder, the connection steel disc is used using with a thickness of 20 ㎜, width For the steel plate of 75 ㎜, a length of 4.0m of every block of steel plate.Steel disc and crossbeam, hydraulic cylinder are connected using the two-way liquid of double rod that is articulated and connected Cylinder pressure is bidirectional hydraulic driving, and stroke 1.1m, diameter of cylinder is 18 ㎝, and cylinder body thrust is 30t, and movement velocity is 1.0m/ points Clock, the hydraulic system include 5.5 kilowatts of motor of power.The present invention selects hydraulic cylinder as chest expander, using it is automatically controlled it is complete from Dynamic operation, installation effect are high;Select 30t hydraulic cylinder as chest expander, using Automatic Control, interior tension uniform, stabilization are eliminated Cushion rubber is caused to squeeze problem using pulling force in chain sling manual operation is suddenly big or suddenly small, it is ensured that Pipe installing interface airtightness;It uses Full-automatic electric control device, easy to operate, operator is few, and can be reduced by installing each class compared with hanging beam by installation personnel 5, and saving takes With, it is especially in short supply to current human resources, labour cost is higher, there is higher economic indicator;Use stroke for 1.0m, speed For 0.4m/ minutes hydraulic cylinders, Pipe installing speed was fast, high-efficient, managed compared with drawing each class that can install 2-3 section PCCP in hanging beam more 4.It selects steel disc that previous wirerope is replaced to connect, changes flexible connection as rigid connection, it is sagging and increased to reduce flexible connection Gap is installed, pipeline docking time is shortened, increases installation effect;When the Pipe installing of PCCP pipe 4, PCCP pipe 4 manages interior limited sky It is interior to have pipeline docking personnel, suppress the related personnel such as personnel, technician, Quality Inspector, when using wirerope as interior drawing component, It in the presence of very big security risk, is connected using steel disc, reduces security risk, it is ensured that safe operation;Increase by 4 walking in pipe of PCCP pipe Trolley, transition is convenient, increases effect;In Pipe installing, installation equipment moves PCCP pipe 4 at any time according to installation progress, large-scale PCCP Pipe installing bell and spigot crossbeam is large-scale girder steel, mobile inconvenient from great, be can use using walking dolly For the pipeline of installation forming as track, convenient transfer is laborsaving.
Present invention is not limited to the embodiments described above, without departing from the essence of the present invention, this field skill Any deformation, improvement, the replacement that art personnel are contemplated that each fall within protection scope of the present invention.

Claims (9)

1. the construction method of PCCP pipe under MODEL OVER COMPLEX TOPOGRAPHY, which is characterized in that the construction method the following steps are included:
Step 1, transverse direction and the longitudinal direction gradient be big, under MODEL OVER COMPLEX TOPOGRAPHY of rich groundwater, according to the gradient on slope, The crawler crane (5) that the depth that PCCP pipe (4) buries and the operating radius (1) for applying man-hour requirement, selection and determining model match;
Step 2, on the slope for being greater than the maximum ramp angle of crawler crane (5) described in step 1, laying is dug out according to design requirement When the groove in several adapter tube roads that joined end to end by PCCP pipe (4), and the foundation plane of the groove is batholith, in the groove Either side builds the job platform (6) for placing crawler crane (5) by the way of cut and fill, and in cut and fill mode Back filled region carries out layered rolling, and substrate, crawler belt of the substrate setting in crawler crane (5) are laid on the back filled region by rolling Below;
Step 3, PCCP pipe to be installed is lifted, the work built in step 2 is arranged in the crawler crane (5) that step 1 determines On industry platform (6), according to the gradient on slope, select the hanger rope (12) different from the length that the gradient on the slope matches and to Installation PCCP pipe is bundled, the suspension hook effective hanger rope of PCCP to be installed (12) of binding being firmly hung on cantilever (3) (11) on, lifting operation is carried out, in lifting, the pipe axis after PCCP pipe lifting to be installed is with groove base surface in parallel cloth It sets, PCCP pipe to be installed is maintained at 0 ° with the angle for having installed PCCP pipeline;
Step 4, it carries out interior draw to PCCP pipe to be installed using interior drawing equipment to install, the interior drawing equipment is to be installed across two sections The electric hydraulic equipment (10) of PCCP pipe installation;
Step 5, it suppresses to having installed PCCP pipe, after suppressing qualification twice, PCCP has been installed to two sections being connected Pipeline out-seam between the female end and socket end of pipe carries out cementation of fissures construction, and female end and the filling of the working pit of socket end are smash It is real, i.e., part backfill is carried out to the pipeline installed and fixed;
Step 6, component is drawn to fix using temporarily interior the PCCP pipe of installation that cannot carry out part backfill fixation in time, it is described to face When it is interior draw component be across two sections installed PCCP pipe installation chain block (9).
2. according to claim 1 under MODEL OVER COMPLEX TOPOGRAPHY PCCP pipe construction method, which is characterized in that the job platform (6) build mode is staging bench formula.
3. according to claim 1 under MODEL OVER COMPLEX TOPOGRAPHY PCCP pipe construction method, which is characterized in that dug out in step 2 PCCP pipe (4) foundation plane be batholith when, the medium coarse sand bed course of 20 ㎝ thickness is laid on batholith, the granularity of the medium coarse sand is 0.35~5.00mm.
4. PCCP pipe construction method under MODEL OVER COMPLEX TOPOGRAPHY according to claim 3, which is characterized in that the medium coarse sand bed course Using staged isolation method, the staged isolation method is that one of concrete is arranged in the connecting pin for managing (4) in every three PCCP Tooth pier (8) is closed space between two tooth piers (8), and PCCP pipe (4) the connecting pin setting tooth of gradient upper end is arranged in It is connect at the one third of pier (8) length with the PCCP of gradient lower end pipe (4) connecting pin, the height setting of the tooth pier (8) exists PCCP manages the position of the hexagonal angle of (4) or less.
5. according to claim 4 under MODEL OVER COMPLEX TOPOGRAPHY PCCP pipe construction method, which is characterized in that the tooth pier (8) Length be 1500mm, be highly 1600mm, center of PCCP pipe (4) setting in tooth pier (8).
6. according to claim 1 under MODEL OVER COMPLEX TOPOGRAPHY PCCP pipe construction method, which is characterized in that described in step 4 Electric hydraulic equipment (10) includes being separately positioned on bellmouth crossbeam trolley, socket crossbeam trolley and the hydraulic cylinder positioned at middle part to support Hydraulic system and electric-control system on walking dolly, the hydraulic system include being separately positioned on pair of PCCP pipe to be installed two sides Bar two-way hydraulic cylinder, double rod two-way hydraulic cylinder two sides are respectively equipped with the piston connecting with piston rod, the two-way liquid of double rod It is respectively equipped with control switch on cylinder pressure, the control switch receives the control work of electric cabinet, the bellmouth crossbeam trolley and inserts Mouth crossbeam trolley is equipped with bellmouth crossbeam and socket crossbeam, and adjusting screw rod is equipped in the middle part of the bellmouth crossbeam and socket crossbeam, described The both ends of bellmouth crossbeam and socket crossbeam are respectively equipped with hinged steel disc.
7. according to claim 6 under MODEL OVER COMPLEX TOPOGRAPHY PCCP pipe construction method, which is characterized in that the double rod is two-way Hydraulic cylinder is bidirectional hydraulic driving, and stroke 1.1m, diameter of cylinder is 18 ㎝, and cylinder body thrust is 30t, movement velocity 1.0m/ Minute.
8. according to claim 6 under MODEL OVER COMPLEX TOPOGRAPHY PCCP pipe construction method, which is characterized in that the hydraulic system Including 5.5 kilowatts of motor of power.
9. according to claim 1 under MODEL OVER COMPLEX TOPOGRAPHY PCCP pipe construction method, which is characterized in that described in step 6 It includes the stress crossbeam, connecting rod and 10t chain block for being separately positioned on upstream and downstream that component is drawn in interim.
CN201610132399.8A 2016-03-09 2016-03-09 The construction method of PCCP pipe under MODEL OVER COMPLEX TOPOGRAPHY Active CN107178655B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610132399.8A CN107178655B (en) 2016-03-09 2016-03-09 The construction method of PCCP pipe under MODEL OVER COMPLEX TOPOGRAPHY

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610132399.8A CN107178655B (en) 2016-03-09 2016-03-09 The construction method of PCCP pipe under MODEL OVER COMPLEX TOPOGRAPHY

Publications (2)

Publication Number Publication Date
CN107178655A CN107178655A (en) 2017-09-19
CN107178655B true CN107178655B (en) 2019-06-21

Family

ID=59829594

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610132399.8A Active CN107178655B (en) 2016-03-09 2016-03-09 The construction method of PCCP pipe under MODEL OVER COMPLEX TOPOGRAPHY

Country Status (1)

Country Link
CN (1) CN107178655B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108775018A (en) * 2018-06-11 2018-11-09 北京市新港永豪水务工程有限公司 A kind of plateau penstock backfilling process

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002340231A (en) * 2001-05-14 2002-11-27 Shimizu Corp Execution method of intake pipe laying trench and floor leveling tool and execution management method
CN201320727Y (en) * 2008-12-21 2009-10-07 大庆油田有限责任公司 Assembly device for PCCP pipelines
CN101634375A (en) * 2009-08-20 2010-01-27 曹蓝天 Construction device and method for underground pipeline installation
CN101968138A (en) * 2010-10-29 2011-02-09 四川国统混凝土制品有限公司 Holing construction method on PCCP pipeline site
CN202901532U (en) * 2012-11-22 2013-04-24 北京市京水建设工程有限责任公司 Novel hydraulic internally-pulling device for prestressed concrete cylinder pipe (PCCP) installation
CN103438273A (en) * 2013-09-16 2013-12-11 北京市水利规划设计研究院 Method for installing PCCPs (prestressed concrete cylinder pipes) in deep grooves by virtue of gantry crane
RU2012135804A (en) * 2012-08-21 2014-03-10 Российская Федерация, от имени которой выступает Министерство промышленности и торговли Российской Федерации (Минпромторг России) MARINE SHIP FOR LAYING STEEL PIPES, FLEXIBLE ELEMENTS AND UNDERWATER CONSTRUCTIONS IN ICE CONDITIONS
CN105003738A (en) * 2015-07-02 2015-10-28 山西宏厦建筑工程有限公司 Construction method for mounting large-diameter pipe by applying cableway in complex mountain terrain
CN204986006U (en) * 2015-07-02 2016-01-20 山西宏厦建筑工程有限公司 Aerial cableway of big pipe diameter piping erection of complicated topography in mountain area is exclusively used in

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002340231A (en) * 2001-05-14 2002-11-27 Shimizu Corp Execution method of intake pipe laying trench and floor leveling tool and execution management method
CN201320727Y (en) * 2008-12-21 2009-10-07 大庆油田有限责任公司 Assembly device for PCCP pipelines
CN101634375A (en) * 2009-08-20 2010-01-27 曹蓝天 Construction device and method for underground pipeline installation
CN101968138A (en) * 2010-10-29 2011-02-09 四川国统混凝土制品有限公司 Holing construction method on PCCP pipeline site
RU2012135804A (en) * 2012-08-21 2014-03-10 Российская Федерация, от имени которой выступает Министерство промышленности и торговли Российской Федерации (Минпромторг России) MARINE SHIP FOR LAYING STEEL PIPES, FLEXIBLE ELEMENTS AND UNDERWATER CONSTRUCTIONS IN ICE CONDITIONS
CN202901532U (en) * 2012-11-22 2013-04-24 北京市京水建设工程有限责任公司 Novel hydraulic internally-pulling device for prestressed concrete cylinder pipe (PCCP) installation
CN103438273A (en) * 2013-09-16 2013-12-11 北京市水利规划设计研究院 Method for installing PCCPs (prestressed concrete cylinder pipes) in deep grooves by virtue of gantry crane
CN105003738A (en) * 2015-07-02 2015-10-28 山西宏厦建筑工程有限公司 Construction method for mounting large-diameter pipe by applying cableway in complex mountain terrain
CN204986006U (en) * 2015-07-02 2016-01-20 山西宏厦建筑工程有限公司 Aerial cableway of big pipe diameter piping erection of complicated topography in mountain area is exclusively used in

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
复杂地质条件下用龙门吊车安装预应力钢筒混凝土管道(PCCP)施工技术;彭利军;《山西水利科技》;20140228(第1期);第48-49,52页
张峰水库2号倒虹预应力钢筒混凝土管道安装施工工艺;刘洁;《山西水利科技》;20110228(第1期);第26-27,33页

Also Published As

Publication number Publication date
CN107178655A (en) 2017-09-19

Similar Documents

Publication Publication Date Title
Tjelta Geotechnical experience from the installation of the Europipe jacket with bucket foundations
CN100501124C (en) Construction method for tunnel contact passage in shield section of underground railway
CN101914897B (en) Construction method of single main cable inclined-suspender earth anchored suspension bridge
CN103967050B (en) Construction system of subway station
CN1215276C (en) Earth pressure balancing technology for laying rectangular top pipe
CN106369223B (en) A kind of silt stratum pipe jacking construction method
CN100497841C (en) Supporting leg type underground continuous wall construction method
CN102146799B (en) Construction equipment for inverted arch of two-track tunnel of high-speed railway
CN106320346A (en) Construction method for supporting deep foundation pit through grouting after pile arrangement and anchor cable mounting
CN103541308B (en) Variable cross-section cantilever bridge box girder self-locking synchronization pushing system and construction method
CN103938552B (en) Steel truss arched bridge self-balancing cantilever construction method and the spacing bearing of main pier
CN105908777B (en) A kind of pipe gallery sliding mould and its application method
CN102691314B (en) Internal deviation correcting fine adjusting system and adjusting technology for immersed tubes
CN108843857B (en) Municipal pipeline construction device and construction method
CN205907606U (en) Three -dimensional regulation and control walking pushing device
CN102251530B (en) Construction process of double-wall steel cofferdam for construction of pier bearing platform in main river water of Yellow River
CN106013192A (en) Method of constructing cofferdam after integrally lowering multiple layers of inner bracings of steel sheet pile cofferdam
CN201494438U (en) Simple and fast installation cableway for maintenance and rush repair of mountain pipeline
CN103498425B (en) One completely knocks down multifunctional assembled bearing bracket structure and construction method thereof
CN106702910A (en) Main girder construction process for extradosed cable-stayed bridge with double towers and double cable planes
CN101519864A (en) Method for mounting box arch bridge
CN103614969A (en) Steel truss girder assembling, erecting and construction process
CN105648926B (en) Large-Span Continuous girder span building up station rotation swivel construction method
CN204982681U (en) Steel bow member integral translation device
CN102146796A (en) Construction technology for inverted arch of two-track tunnel of high-speed railway

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant