CN105002906B - A kind of cluster anchor cable composite pile structure as agent structure column and construction method thereof - Google Patents
A kind of cluster anchor cable composite pile structure as agent structure column and construction method thereof Download PDFInfo
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Abstract
The present invention relates to a kind of cluster anchor cable composite pile structure as agent structure column and construction method thereof, composite pile structure includes anchor cable, the many foundation stake arranged centered by anchor cable and the binding hoop arranged around the stake of many foundation, casting concrete in binding hoop；Its construction method is first to arrange anchor cable, then arranges foundation pile around it.The invention have the advantages that the form of " many an of anchor ", eliminate the technological processes such as mud off, make construction period shorten；Can be as the primary structure member of agent structure, it is not necessary to reconstruct supporting member, and anchor pole quantity is few, cost-effective；This kind of composite pile can be prevented effectively from the problems such as collapse hole that in work progress, cast-in-situ bored pile occurs, undergauge, broken pile, interlayer, and pile quality is guaranteed.
Description
Technical field
The invention belongs to construction engineering technical field, be specifically related to a kind of cluster anchor cable composite pile as agent structure column and tie
Structure and construction method thereof.
Background technology
Along with the development of economic society, people constantly promote for the concern saved land.Root according to the statistics made by the departments concerned, in recent years
Whole nation vehicle guaranteeding organic quantity improves constantly, and wherein private car recoverable amount increases the fastest, motor vehicles to park contradiction the fiercest.
Especially for old town and the multi-storey building district that do not has garage, owing to the reason such as history, overall planning causes " car multidigit is few "
Phenomenon.For solving this contradiction, related researcher propose a kind of in former address the scheme of newly-built underground garage, in order to reduce construction
On surrounding and the impact of resident living, using shallow mining method, its key technology is pressing pile construction scheme.In view of environment,
The impact of the factors such as place, the construction technology feature of anchor cable (bar) static pressed pile meets related request.
Traditional anchor cable (bar) static pressed pile is a kind of to be applied to strengthening of foundation, drag the technology changed and rectify a deviation, and construction technology typically flows
Journey: 1, on the basis of reserved or dig out stake holes 2, rearmounted anchor pole or reserved anchor pole 3, install reaction frame prepare piling 4, pile extension,
Piling, Stake head handling.There is following point in the method: 1: anchor pole quantity is many, and cost is high, 2, underground soil property situation more complicated,
When prospecting is not clear or meets boulder, often result in piling difficulty, 3, when construct in resident compact district, occupy place relatively greatly, to resident just
Often life has considerable influence, and 4, the problems such as collapse hole, undergauge, broken pile easily occurs in work progress, pile quality is poor, and 5, hold
Loading capability is low.
Summary of the invention
The purpose of the present invention is contemplated to solve the problems referred to above, it is provided that a kind of prefabricated segment type stake is as the binding of agent structure column
Formula anchor cable composite pile structure and construction method thereof.
To achieve these goals, the present invention adopts the following technical scheme that
A kind of cluster anchor cable composite pile structure as agent structure column, including anchor cable, centered by anchor cable arrange many
Foundation pile and the binding hoop arranged around the stake of many foundation, casting concrete in binding hoop, it is achieved that the structure that an anchor is many, whole
Structure can be not required to reconstruct supporting member as the primary structure member of agent structure, saved cost.
Further, the stake of many foundation is arranged at four angles of a rectangle, totally four foundation stake, and described anchor cable is arranged on this square
The center of shape, described binding hoop is arranged on outside this rectangle, the setting of four foundation stakes, facilitates the later stage and carries out in cornerwise mode
Piling.
Further, binding hoop includes many vertical muscle and stirrup, and stirrup, round the stake of many foundation, is set to square, many vertical muscle
It is vertically arranged on the limit of stirrup institute squarely, the setting of vertical muscle and stirrup defines binding hoop, by binding hoop to many foundation
Stake carries out one and fixes.
Further, pile crown is set in the bottom of each described foundation pile, conveniently carries out piling.
Further, foundation pile is segment type precast square pile.
Further, the termination often saving square pile is cased with steel bushing, is fixed by steel hoop between saving and saving.
The construction method of a kind of cluster anchor cable composite pile structure as agent structure column, comprises the following steps:
1) position that foundation pile is to be set is chosen；
2) on the ground, machine drilling is used to get out the anchor cable hole for arranging anchor cable；
3) in step 2) in be vertically arranged anchor cable in the boring that gets out, the bottom anchor of anchor cable is in the ground of bottom；
4) centered by the position of anchor cable, in the four foundation stakes that are arranged around of anchor cable, four foundation stakes are vertically arranged in a rectangle
At four angles；
5) carry out piling, pile extension, extract pile follower bar, remove jack and holder device；
6) the subsurface excavation method excavation underground space, surflaes between cleaning stake week and stake；
7) stirrup and vertical muscle are set outside multiple foundation piles, form binding stake；
8) in step 7) in formed binding stake in casting concrete, formed composite pile structure.
Step 4) in centered by anchor cable, limit a rectangular area, be vertically arranged stake position with four angles of rectangular area and draw hole,
Draw hole according to stake position and foundation pile is set.
Step 5) in specifically comprise the following steps that
5-1) in described step 4) in the top of four foundation stakes that arranges put steel bushing respectively, steel bushing welds with steel hoop；
5-2) in step 5-1) in the four foundation stakes that arrange the foundation pile top on a diagonal one jack is respectively set,
The top of jack arranges reaction frame, and anchor cable passes reaction frame；
5-3) in step 5-2) at least two hoist cables arranged vertically above of reaction frame of arranging；
5-4) distance step 5-2) in the upper horizontal of reaction frame that arranges one support is set, support is arranged by four root posts
On the ground, four root posts are arranged at four angles of another rectangle；
5-5) utilize step 4 described in reaction frame and jack pair) in foundation pile on one diagonal of rectangle carry out piling to specifying
Position, is provided counter-force by anchor cable；
5-6) by support lift reaction frame；
5-7) utilize step 4 described in another group reaction frame and jack pair) in foundation pile on another diagonal of rectangle carry out piling
To the position specified；
5-8) by support lift 5-7) in another group reaction frame and jack；
5-9) draw in each stake position and continue at hole to arrange a joint foundation pile, be cased with steel bushing, and and steel hoop at the top of this joint foundation pile
Welding；
5-10) repeat step 5-5) to step 5-9), until it reaches the position of requirement.
Step 6) in concrete setting steps as follows:
6-1) from described step 5) scope that the stake top that formed down sets, the outer surface along the stake of many foundation is vertically arranged many
Vertical muscle；
6-2) in step 6-1) set up vertical muscle after, be horizontally disposed with the many stirrups that the stake of many foundation is included in center.
The operation principle of the present invention is: after selected good installation site, first arranging anchor cable, the lower anchor of anchor cable, in ground, encloses
The stake of many foundation is set around anchor cable, anchor cable provides counter-force that a clump of piles around is pressed onto the position specified, this construction method, shorten
Engineering time, reduce the impact of Construction on Environment, draw hole by stake position and ensure that piling puts in place, there is simple to operate, construction effect
Rate is high, save material, the advantage of high financial profit.
Compared with prior art, the invention have the advantages that
1. saving fund: the form of " many an of anchor ", eliminates the technological processes such as mud off, makes construction period shorten；Permissible
Primary structure member as agent structure, it is not necessary to reconstruct supporting member, and anchor pole quantity is few, cost-effective.
2. pile quality is good: this kind of composite pile can be prevented effectively from the collapse hole of cast-in-situ bored pile appearance in work progress, undergauge, break
The problems such as stake, interlayer, pile quality is guaranteed.
3. bearing capacity is big: forming an independent vertical member after being bundled by a clump of piles, bearing capacity is greatly improved.
4. environmental friendliness: avoid the slurry coat method pollution to surrounding, it is to avoid the big machinery construction shadow to resident living
Ring.
Accompanying drawing explanation
Fig. 1 is the construction process figure of composite pile of the present invention；
Fig. 2 is the site plan of a clump of piles 1,2,3,4 of the present invention；
Fig. 3 (a)-Fig. 3 (g) is the composite pile construction way figure of the present invention；
Wherein: Fig. 3 (a) is the generalized section after anchor cable drilling machine has been holed；
Fig. 3 (b) is the generalized section of anchorage cable anchoring position perfusion grouting material；
Fig. 3 (c) draws the generalized section in hole for being provided with 4 stake positions；
Fig. 3 (d) carries out the generalized section of piling along a pair linea angulata to foundation pile；
Fig. 3 (e) carries out the generalized section of piling along another diagonal to foundation pile；
The generalized section of Fig. 3 (f) binding stake steel bar arrangement；
Generalized section after Fig. 3 (g) binding stake casting concrete；
Section A-A figure in Fig. 3 (d) during the precast concrete square pile that Fig. 4 provides for the embodiment of the present invention；
Section B-B figure in Fig. 3 (f) during the precast concrete square pile that Fig. 5 provides for the embodiment of the present invention；
C-C sectional view in Fig. 3 (g) during the precast concrete square pile that Fig. 6 provides for the embodiment of the present invention；
Partial enlarged drawing in Fig. 3 (d) during the precast concrete square pile that Fig. 7 provides for the embodiment of the present invention；
Reaction frame plane graph in Fig. 7 during the precast concrete square pile that Fig. 8 provides for the embodiment of the present invention；
The top view of support during the precast concrete square pile that Fig. 9 provides for the embodiment of the present invention；
The structure chart of fixation clamp during the precast concrete square pile that Figure 10 provides for the embodiment of the present invention；
In figure, 1 is No. 1 foundation pile；2 is No. 2 foundation piles；3 is No. 3 foundation piles；4 is No. 4 foundation piles；5 is anchor cable hole；6 anchor cables；
7 is injecting paste material；8 draw hole for stake position；9 is jack；10 reaction frames；11 is support；12 is binding stake；13 indulge muscle；
14 concrete；16 is hoist cable；15 is stirrup；17 is buckle；18 is steel hoop；19 is girder steel；20 columns；21 is solid
Clamp；22 is high-strength bolt；23 ground.
Detailed description of the invention
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
Embodiment 1
As in figure 2 it is shown, a kind of cluster anchor cable composite pile structure as agent structure column, including anchor cable 6, with anchor cable 6
Centered by arrange the stake of many foundation and around the stake of many foundation arrange binding hoop, binding hoop in casting concrete 14.
Specifically, the stake of many foundation is arranged at four angles of a rectangle, totally four foundation stake, 1, No. 2 bases of respectively No. 1 foundation pile
Stake 2,3, No. 4 foundation piles 4 of No. three foundation piles, anchor cable 6 is arranged on the center of this rectangle, and binding hoop is arranged on outside this rectangle,
The top center of four foundation stakes is horizontally disposed with girder steel 19；Or the stake of many foundation is arranged in the circle with anchor cable 6 as the center of circle, between foundation pile
Every the distance set.
Binding hoop includes many vertical muscle 13 and stirrup 15, and stirrup 15, round the stake of many foundation, is set to square, many vertical muscle 13
It is vertically arranged on the limit of 15 squarelys of stirrup, the setting of vertical muscle 13 and stirrup 15 defines binding hoop.
Arranging pile crown in the bottom of each foundation pile, pile crown is cone, it is simple to foundation pile is deep into underground.
Foundation pile is segment type precast square pile, and the termination often saving square pile is cased with steel bushing, is fixed by steel hoop, steel between saving and saving
Sleeve and steel hoop 18 are by being welded to connect.
Fig. 1 is the structure flow chart of composite pile in the present invention, a kind of cluster anchor cable composite pile structure as agent structure column
Construction method, comprise the following steps:
1) position that foundation pile is to be set is chosen；
2) on the ground, machine drilling is used to get out the anchor cable hole 5 for arranging anchor cable 6, such as Fig. 3 (a)；
3) in step 2) in be vertically arranged anchor cable 6 in the boring that gets out, the bottom anchor of anchor cable 6 in the ground of bottom, anchor
Injecting paste material 7 is filled, such as Fig. 3 (b) in rope anchoring section；
4) centered by the position of anchor cable 6, in the four foundation stakes that are arranged around of anchor cable 6, four foundation stakes are vertically arranged in a square
At four angles of shape, as shown in Fig. 3 (d) and Fig. 4；
5) carry out piling, pile extension, extract pile follower bar, remove jack 9 and support 11 device；
6) the subsurface excavation method excavation underground space, surflaes between cleaning stake week and stake are used；
7) stirrup 15 and vertical muscle 13 are set outside multiple foundation piles, form binding stake 12；
8) in step 7) in casting concrete 14 in the binding stake that formed, block anchor cable 6, form composite pile structure.
Step 4) in centered by anchor cable 6, limit a rectangular area, be vertically arranged stake position with four angles of rectangular area and draw
Hole 8, draws hole 8 according to stake position and arranges foundation pile, such as Fig. 3 (c).
Step 5) in specifically comprise the following steps that
5-1) in described step 4) in the top of four foundation stakes that arranges put steel bushing respectively, at upper horizontal, steel hoop is set
18, steel bushing welds with steel hoop 18；
5-2) in step 5-1) in the four foundation stakes that arrange in an object line A foundation pile top of (Fig. 2) respectively arrange one thousand
Jin top 9, arranges reaction frame 10 on the top of jack 9, and anchor cable passes reaction frame 10, is provided above preventing at reaction frame 10
The buckle 17 of anchor cable 6 sliding, buckle 17 is through on anchor cable 6, such as Fig. 3 (d)；
5-3) in step 5-2) at least two hoist cables 16 arranged vertically above of reaction frame 10 of arranging, hoist cable 16 one end is even
Being connected on support 11, the other end is arranged on reaction frame 10, is used for promoting reaction frame 10, such as Fig. 3 (e)；
5-4) distance step 5-2) in the upper horizontal of reaction frame 10 that arranges a support 11 is set, support 11 is by four
Column 20 is arranged on ground 23, and four root posts are arranged at four angles of another rectangle；Support 11 is a support means,
Reaction frame 10 is promoted by hoist cable 16；
5-5) utilize reaction frame 10 and jack 9 to described step 4) on one diagonal of rectangle A to foundation pile press
Stake, to the position specified, is provided counter-force by anchor cable 6；
5-6) promote reaction frame 10 and jack 9 by support 11；
5-7) utilize rectangle another diagonal B to reaction frame 10 and jack 9 to described step 4) in B on (Fig. 2)
Foundation pile carries out piling；Wherein A, the B two piling on direction is separate；B to piling time, anchor cable 6 by A to anchor
Tool fastening；B postpones to specific bit to piling, and anchor cable 6 is fastened to anchorage by B, unclamps A to anchorage, promotes A to reaction frame
10 and jack 9, carry out pile extension at A to continuing to arrange a joint foundation pile, be cased with steel bushing at the top of this joint foundation pile, and with
Steel hoop welds, and falls jack 9；
5-8) A postpones to specific bit to piling, is fastened to anchorage by A by anchor cable, unclamps B to anchorage, promotes B to reaction frame
10 and jack 9；Carry out pile extension at B to continuing to arrange a joint foundation pile, be cased with steel bushing at the top of this joint foundation pile, and with
Steel hoop 18 welds；B is to starting piling.
5-9) repeat step 5-7) to step 5-8), A, B two is to alternately promoting piling, until foundation pile is delivered to refer to by pile follower bar
Location is put, and wherein steel bushing is not placed on the top of final section foundation pile.
Step 7) in concrete setting steps as follows:
7-1) from described step 5), 6) scope that the stake top that formed down sets, the outer surface along the stake of many foundation vertically sets
Put many vertical muscle；
7-2) in step 7-1) set up vertical muscle 13 after, be horizontally disposed with the many stirrups 15 that the stake of many foundation is included in center,
By vertical muscle 13 and the outside being arranged on four foundation stakes of stirrup 15, total defines a binding stake 12.
Additionally, as seen from Figure 8, when reaction frame 10 is set, it is provided above a center for passing through anchor cable at reaction frame 10
The fixed plate of 6, fixed plate is fixed on reaction frame 10 by bolt and nut or other clamp devices, perpendicular below reaction frame 10
Directly arranging a fixing device, this fixing device includes the fixation clamp 21 that two parts are symmetrical, and the center vertical of fixation clamp 21 is arranged
For placing the space of anchor cable 6, being installed with bolt hole in the horizontal direction, two fixation clamps 21 are when clamping anchor cable 6, by height
Strength bolt 22, nut fasten, and are the structure chart of a fixation clamp as shown in Figure 10.
Embodiment 2
A kind of cluster anchor cable composite pile structure as agent structure column, including anchor cable 6, setting centered by anchor cable 6
The stake of many foundation and the binding hoop arranged around the stake of many foundation, casting concrete 14 in binding hoop.
Specifically, the stake of many foundation is arranged at four angles of a rectangle, totally four foundation stake, 1, No. 2 bases of respectively No. 1 foundation pile
Stake 2,3, No. 4 foundation piles 4 of No. three foundation piles, anchor cable 6 is arranged on the center of this rectangle, and described binding hoop is arranged on outside this rectangle,
Top center in four foundation stakes is horizontally disposed with girder steel 19；Or the stake of many foundation is arranged in the circle with anchor cable 6 as the center of circle, foundation pile
The distance that interval sets.
Binding hoop includes many vertical muscle 13 and stirrup 15, and stirrup 15, round the stake of many foundation, is provided in round, many vertical muscle 13
It is vertically arranged on the conglobate limit of stirrup 15 institute, the setting of vertical muscle 13 and stirrup 15 defines binding hoop.
Pile crown is set in the bottom of each foundation pile, it is simple to foundation pile is deep into underground.
Foundation pile is segment type pre-rounding stake, is connected by steel hoop 18 is fixing between circle pile section and joint.
There is steel bushing the termination often saving square pile, and steel bushing and steel hoop 18 are by being welded to connect.
Its concrete construction method is identical with embodiment 1.
The above is only the preferred embodiment of the present invention, it is noted that for those skilled in the art,
Under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications also should be regarded as this
Bright protection domain.
Claims (9)
1. the cluster anchor cable composite pile structure as agent structure column, it is characterised in that include anchor cable, the many foundation stake arranged centered by anchor cable and the binding hoop arranged around the stake of many foundation, casting concrete in binding hoop.
2. cluster anchor cable composite pile structure as claimed in claim 1, it is characterized in that, described many foundation stake is arranged at four angles of a rectangle, totally four foundation stake, described anchor cable is arranged on the center of this rectangle, described binding hoop is arranged on outside this rectangle, and the top center in four foundation stakes is horizontally disposed with girder steel.
3. cluster anchor cable composite pile structure as claimed in claim 1, it is characterised in that described binding hoop includes many vertical muscle and stirrup, and stirrup, round the stake of many foundation, is set to square, and many vertical muscle are vertically arranged on the limit of stirrup institute squarely.
4. cluster anchor cable composite pile structure as claimed in claim 1, it is characterised in that pile crown is set in the bottom of each described foundation pile.
5. cluster anchor cable composite pile structure as claimed in claim 1, it is characterised in that described foundation pile is segment type precast square pile.
6. cluster anchor cable composite pile structure as claimed in claim 5, it is characterised in that the termination often saving described square pile is cased with steel bushing, is fixed by steel hoop between saving and saving.
7. the construction method as the cluster anchor cable composite pile structure of agent structure column, it is characterised in that comprise the following steps:
1) position that foundation pile is to be set is chosen；
2) on the ground, machine drilling is used to get out the anchor cable hole for arranging anchor cable；
3) in step 2) in be vertically arranged anchor cable in the boring that gets out, the bottom anchor of anchor cable is in the ground of bottom；
4) centered by the position of anchor cable, in the four foundation stakes that are arranged around of anchor cable, four foundation stakes are arranged at four angles of a rectangle；
5) carry out piling, pile extension, extract pile follower bar, remove jack and holder device；
6) the subsurface excavation method excavation underground space, surflaes between cleaning stake week and stake；
7) stirrup and vertical muscle are set outside multiple foundation piles, form binding stake；
8) casting concrete in the binding stake formed in step 7), forms composite pile structure；
Specifically comprising the following steps that of described step 5)
5-1) steel bushing is overlapped on the top of the four foundation stakes arranged in described step 4) respectively, arranges steel hoop at steel bushing upper horizontal, and steel bushing welds with steel hoop；
5-2) in step 5-1) in the four foundation stakes that arrange the foundation pile top in an object line one jack is respectively set, on the top of jack, reaction frame is set, anchor cable passes reaction frame；
5-3) in step 5-2) at least two hoist cables arranged vertically above of reaction frame of arranging；
5-4) distance step 5-2) in the upper horizontal of reaction frame that arranges one support is set, support is arranged on the ground by four root posts, and four root posts are arranged at four angles of another rectangle；
Foundation pile 5-5) utilized in step 4) described in reaction frame and jack pair on one diagonal of rectangle carries out piling to the position specified, anchor cable provide counter-force；
5-6) by support lift reaction frame；
Foundation pile 5-7) utilized in step 4) described in another group reaction frame and jack pair on another diagonal of rectangle carries out piling to the position specified；
5-8) by support lift 5-7) in another group reaction frame and jack；
5-9) draw in each stake position and continue at hole to arrange a joint foundation pile, be cased with steel bushing at the top of this joint foundation pile, and weld with steel hoop；
5-10) repeat step 5-5) to step 5-9), until it reaches the position of requirement.
8. construction method as claimed in claim 7, it is characterised in that in described step 4) centered by anchor cable, limit a rectangular area, be vertically arranged stake position with four angles of rectangular area and draw hole, draw hole according to stake position and foundation pile is set.
9. construction method as claimed in claim 7, it is characterised in that the concrete setting steps of described step 6) is as follows:
6-1) the scope that the stake top formed from described step 5) down sets, the outer surface along the stake of many foundation is vertically arranged many vertical muscle；
6-2) in step 6-1) set up vertical muscle after, be horizontally disposed with the many stirrups that the stake of many foundation is included in center.
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| CN201510454024.9A CN105002906B (en) | 2015-07-28 | 2015-07-28 | A kind of cluster anchor cable composite pile structure as agent structure column and construction method thereof |
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| CN105544579B (en) * | 2015-12-04 | 2017-08-29 | 黄国庆 | A kind of construction method of pile foundation |
| CN107059872B (en) * | 2017-04-01 | 2022-06-07 | 南京瑞迪建设科技有限公司 | Inclined cable pile pulling method and inclined cable pile pulling system |
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| CN1313681C (en) * | 2005-02-28 | 2007-05-02 | 王凯 | Binding anti-slide pile structure and construction method |
| CN101798810A (en) * | 2009-02-20 | 2010-08-11 | 上海强劲基础工程有限公司 | Cement-soil composite pile inserted into reinforced concrete core materials |
| CN201857606U (en) * | 2010-11-09 | 2011-06-08 | 上海强劲地基工程股份有限公司 | Novel combined uplift pile |
| CN102691302B (en) * | 2012-06-03 | 2014-12-17 | 蒋凤昌 | Concrete structure for supporting deep foundation pit |
| JP2014088689A (en) * | 2012-10-30 | 2014-05-15 | Ssc Pile Association | Loading test method and loading test device for composite reinforcement ground |
| CN103967004A (en) * | 2014-04-13 | 2014-08-06 | 北京工业大学 | Supporting and protecting composite anti-slide pile suitable for high-attitude and high-intensity regions |
| CN104790384A (en) * | 2015-03-05 | 2015-07-22 | 浙江工业大学 | Multivariable control type vibration isolation piles |
| CN204849759U (en) * | 2015-07-28 | 2015-12-09 | 济南轨道交通集团有限公司 | Cluster anchor rope composite pile structure as major structure stand |
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