CN105887809B - The construction method of Large-diameter Manual Excavation Pile - Google Patents
The construction method of Large-diameter Manual Excavation Pile Download PDFInfo
- Publication number
- CN105887809B CN105887809B CN201610257358.1A CN201610257358A CN105887809B CN 105887809 B CN105887809 B CN 105887809B CN 201610257358 A CN201610257358 A CN 201610257358A CN 105887809 B CN105887809 B CN 105887809B
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- stake holes
- job platform
- construction method
- manual excavation
- layer metal
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
Abstract
The present invention relates to the technical field of Large-diameter Manual Excavation Pile, discloses the construction method of Large-diameter Manual Excavation Pile, comprises the following steps：1) job platform in triangular shape, is set up at the aperture of stake holes；Hoisting frame is set up on job platform, the earthwork in stake holes is excavated section by section and pours the retaining wall of stake holes；2), it is covered in using cover plate on the job platform of stake holes, and explosion is carried out to the basement rock of stake holes bottom；3), the banding steel cage in stake holes, the upper end of the longitudinal reinforcement of steel reinforcement cage are connected with job platform；4), on job platform set up perfusion materia bucket, toward stake holes in concrete perfusion.Utilize job platform, stake holes is unearthed, stake holes is covered, steel reinforcement cage installation and four process organic linkings of concrete perfusion are got up, it need not repeat to set up job platform, reduce subsidiary operation time, the construction period is saved, reduces operating expenses, ensures construction quality, whole construction site management is orderly, meets security civilization and green construction requirement.
Description
Technical field
The present invention relates to the construction party of the technical field of Large-diameter Manual Excavation Pile, more particularly to Large-diameter Manual Excavation Pile
Method.
Background technology
Base form of the Large-diameter Manual Excavation Pile (diameter >=5m) as high-rise or huge vertical load structure, is constructing
During, main to include four main process, first is to set up hoisting frame in the aperture of stake holes, using shoveling equipment in stake holes
Cut the earth section by section；Second is that the bottom hole of stake holes enters rock stratum and takes blasting charge in hole, and the aperture of stake holes is covered, drilling by blasting；The
Third, behind whole hole, steel reinforcement cage is placed in stake holes, and carries out steel reinforcement cage installation at the aperture of stake holes and fixes；4th is stake holes
Aperture sets up infusion funnel, and concreting is carried out in stake holes, forms pile body.This Four processes it is not only independent and but also it is interrelated,
But in work progress, this different teams and groups of all each freedom of four work progress is responsible for completion.
It is normal when cutting the earth, it is necessary to install vertical-lift frame, by down circulate operation section by section, stake holes is dug to design and marked
It is high.Stake bottom enters basement rock and need to take explosion, now, then needs to build temporary platform in the aperture of stake holes again, right during for explosion
The aperture of stake holes is covered, and after the completion of explosion, is needed to remove temporary platform again, is then carried out excavation and construction again.Work as stake
After hole is excavated, then the banding steel cage in stake holes is needed, and needed at the aperture of stake holes, steel reinforcement cage is fixed,
Now, then need to set up interim fixed steel bars frame in the aperture of stake holes again, after steel reinforcement cage is placed, toward irrigating in stake holes
Before concrete, then need to set up temporary platform placement perfusion hopper again in the aperture of stake holes.
In the prior art, in the work progress of Large-diameter Manual Excavation Pile, it is required for repeating to set up at the aperture of stake holes
Temporary platform is constructed, and the temporary platform that four-stage is set up all is independent, is not utilized mutually, so, is repeated
Temporary platform is set up, then is existed and is added subsidiary operation time, delays the duration, increases cost and have impact on major diameter people
The problems such as speed of fulfiling hole of work caisson pore-forming technique, also easily manage the job site of whole Large-diameter Manual Excavation Pile
Manage unordered and chaotic phenomenon, it is impossible to meet security civilization and green construction requirement well.
The content of the invention
It is an object of the invention to provide the construction method of Large-diameter Manual Excavation Pile, it is intended to solves of the prior art big
, it is necessary to repeat to build temporary platform at the aperture of stake holes in the work progress of diameter artificial digging pile, exist and delay the duration, increase
The problem of addition sheet and job site confusion.
The present invention is achieved in that the construction method of Large-diameter Manual Excavation Pile, including following construction procedure
1) measure of pile position positioning, and the spoil at the aperture of stake holes to be onstructed, are carried out at the construction field (site), and described
Constructed in stake holes retaining wall；The job platform in triangular shape, the job platform suspension arrangement are set up at the aperture of the stake holes；
Hoisting frame is set up on the job platform, and excavates the earthwork in stake holes section by section and pours the retaining wall of the stake holes；
2), when the pore digging to bottom, it is covered in using cover plate on the job platform of stake holes, to the stake holes
Covering is formed at aperture, and explosion is carried out to the basement rock of the stake holes bottom；
3), the banding steel cage in the stake holes, the upper end of the longitudinal reinforcement of the steel reinforcement cage connect with the job platform
Connect；
4) perfusion materia bucket, is set up on the job platform, using the perfusion hopper toward irrigating coagulation in the stake holes
Soil.
Further, the end of the job platform is embedded in the retaining wall of the stake holes.
Further, the upper surface of the job platform is concordant with height with the ground at the aperture of the stake holes.
Further, the job platform includes three outer layer metal bars, and the outer layer metal bar surrounds triangular shape arrangement,
And the both ends of the outer layer metal bar are respectively embedded in the retaining wall of the stake holes.
Further, in the step 2), load-bearing material is placed in the cover plate.
Further, in the step 2), before the cover plate is set, multiple hold is set on the job platform
Depression bar, the both ends of multiple pressure-bearing rods are connected with the job platform respectively, and the middle part of the pressure-bearing rod is in the stake holes
Aperture at.
Further, in the step 3), during banding steel cage, by the upper of the longitudinal reinforcement of the steel reinforcement cage
End bending, and hang over the outer layer metal bar of the job platform.
Further, when needing colligation double steel bar cage, in above-mentioned steps 3) in, three are set on the job platform
Inner layer metal bar, three inner layer metal bars are arranged in triangular shape, and the operation of each inner layer metal bar arrangement
The triangle corner of platform, the both ends of the inner layer metal bar are connected respectively in adjacent outer layer metal bar, the reinforcing bar
The upper end of the longitudinal reinforcement of cage internal layer is connected with the inner layer metal bar.
Further, the upper end of the longitudinal reinforcement of the steel reinforcement cage internal layer is bent, and hung on the inner layer metal bar.
Further, in the construction procedure 4) in, two support bars, two branch are set on the job platform
Strut is separately arranged, and the end of the support bar is connected with the job platform, and the perfusion hopper is plugged in two institutes
State between support bar.
Compared with prior art, the construction method of Large-diameter Manual Excavation Pile provided by the invention, by the hole of stake holes
Job platform is set up at mouthful, using job platform, will can be unearthed in stake holes, the aperture of stake holes is covered, steel reinforcement cage is pacified in stake holes
Fill four process organic linkings of concrete perfusion in fixed and stake holes to get up, in work progress, utilize the work originally set up
Industry platform, the construction of the next step can be connected simultaneously, it is not necessary to job platform is set up in repetition, reduces subsidiary operation time,
The construction period is greatlyd save, reduces operating expenses, ensures construction quality, also, whole construction site management is in order and neat, and it is full
Sufficient security civilization and green construction requirement.
Brief description of the drawings
Fig. 1 is the construction procedure 1 of the construction method of Large-diameter Manual Excavation Pile provided in an embodiment of the present invention) main view show
It is intended to；
Fig. 2 is the enlarged diagram at the A in Fig. 1；
Fig. 3 is the construction procedure 2 of the construction method of Large-diameter Manual Excavation Pile provided in an embodiment of the present invention) vertical view show
It is intended to；
Fig. 4 is the construction procedure 2 of the construction method of Large-diameter Manual Excavation Pile provided in an embodiment of the present invention) main view show
It is intended to；
Fig. 5 is the construction procedure 3 of the construction method of Large-diameter Manual Excavation Pile provided in an embodiment of the present invention) main view show
It is intended to；
Fig. 6 is the construction procedure 3 of the construction method of Large-diameter Manual Excavation Pile provided in an embodiment of the present invention) main view show
It is intended to；
Fig. 7 is the construction procedure 4 of the construction method of Large-diameter Manual Excavation Pile provided in an embodiment of the present invention) main view show
It is intended to.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
It is described in detail below in conjunction with realization of the specific embodiment to the present invention.
It is preferred embodiment provided by the invention shown in reference picture 1~7.
The construction method for the Large-diameter Manual Excavation Pile that the present embodiment provides, for forming diameter >=5m caisson, when
So, as needed, the artificial digging pile of some other diameter dimensions can also utilize the construction method to construct.
The construction method of Large-diameter Manual Excavation Pile includes following construction procedure：
1), shown in reference picture 1 and Fig. 2, measure of pile position positioning is carried out at the construction field (site), and in stake holes 100 to be formed
Earth excavation 103 at aperture, meanwhile, retaining wall 101 of being constructed in stake holes 100；Set up at the aperture of stake holes 100 in triangular shape
Job platform, the job platform are erected on the ground of stake position, and are suspended above the aperture of stake holes 100；On job platform
Hoisting frame 102 is set up, and excavates the earthwork 103 in stake holes 100 section by section and pours the retaining wall 101 of stake holes 100；Certainly, according to reality
Border needs, and hoisting frame 102 is placed on any position of job platform, as long as it can play the earthwork 103 in lifting stake holes 100
Then can, or, can also be placed on job platform multiple hoisting frames 102 and meanwhile carry out be unearthed operation；
2), shown in reference picture 3 and Fig. 4, after stake holes 100 is excavated to the bottom of stake holes 100, covered using cover plate 108
On the job platform of stake holes 100, the aperture of stake holes 100 is covered, then the basement rock progress to the bottom of stake holes 100 is quick-fried
It is broken, so, then the rubble and flue dust that can prevent gas shock wavestrip caused by basement rock explosion from going out, stake holes 100 can be protected
The safety of periphery staff, it is possibility to have effect prevents pollution of the flue dust to environment；After explosion terminates, by job platform
The removal of cover plate 108, without removing job platform, so, then it can continue to cut the earth and be unearthed, so that stake holes 100
Aperture covers explosion and is effectively connected with being unearthed in stake holes 100；
3), shown in 5 grades of Fig. 6 of reference picture, after stake holes 100 is excavated well, that is, behind whole hole, the colligation in stake holes 100
Steel reinforcement cage, in order to prevent steel reinforcement cage from sinking in colligation, in colligation, the upper end of the longitudinal reinforcement of steel reinforcement cage is directly connected
It is connected on job platform, so as to which steel reinforcement cage is fixed；
4), shown in reference picture 7, after the steel reinforcement cage in stake holes 100 is fixed, perfusion materia bucket 112 is set up on job platform,
Using hopper 112 is irrigated toward concrete perfusion in stake holes 100, after concrete setting, pile body is formed.
The construction method of the Large-diameter Manual Excavation Pile of above-mentioned offer, by setting up operation horizontal at the aperture of stake holes 100
Platform, using job platform, it will can be unearthed in stake holes 100, the aperture of stake holes 100 is covered, steel reinforcement cage installation is fixed in stake holes 100
And four process organic linkings of concrete perfusion get up in stake holes 100, in work progress, utilize the operation horizontal originally set up
Platform, the construction of the next step can be connected simultaneously, it is not necessary to which job platform is set up in repetition, reduces subsidiary operation time, significantly
The construction period is saved, reduces operating expenses, ensures construction quality, also, whole construction site management is in order and neat, meets peace
The requirement of bright in full and green construction.
In construction procedure 1) in, the end of job platform is embedded in the retaining wall 101 of stake holes 100, so that operation horizontal
Platform is suspended on the aperture of stake holes 100；Also, the upper surface of job platform is concordant with height with ground at the aperture of stake holes 100, this
Sample, then can be in order to placing various plant equipment etc. on job platform.
Specifically, job platform includes three outer layer metal bars 104, and the both ends of outer layer metal bar 104 are respectively embedded in stake
In the retaining wall 101 in hole 100, and the middle part of outer layer metal bar 104 is suspended at the aperture of stake holes 100, also, three outer layer metals
Bar 104 is arranged in triangular shape, it is of course also possible to be other laths etc..
As the presently preferred embodiments, three outer layer metal bars 104 are arranged independently of each other, that is to say, that three outer layer metal bars
Mutually it is not connected between 104, so so that the coverage of job platform can be wider.Outer layer metal bar 104 can be I-shaped
Steel bar, or or other kinds of outer layer metal bar 104.
In step 2), when cover plate 108 is covered on job platform, the aperture of stake holes 100 is covered, in order to keep away
Exempt from the covering power of increasing cover plate 108, load-bearing material 107, such as abrasive band are placed in cover plate 108.
In addition, in order to increase the support to cover plate 108, in construction procedure 2) in, before cover plate 106 is set, making
Multiple pressure-bearing rods 106 are set on industry platform, the both ends of more pressure-bearing rods 106 are connected with job platform respectively, and at pressure-bearing rod 106
At the aperture of stake holes 100.The single outer layer metal bar 104 of single pressure-bearing rod 106 and job platform is in parallel arrangement, so,
If the quantity of pressure-bearing rod 106 is three, three pressure-bearing rods 106 correspond to be arranged in parallel with three outer layer metal bars 104 respectively,
Or pressure-bearing rod 106 can also be two etc..Pressure-bearing rod 106 between reinforcing bar and job platform by connecting.
After the basement rock explosion in stake holes 100 terminates, the load-bearing material 107 in cover plate 108 is laid down, cover plate 108 is gone
Remove, without repeating removal job platform.
In construction procedure 3) in, during banding steel cage, the upper end of longitudinal reinforcement 109 is bent, hangs over operation
On platform, so as to keep the fixed installation of steel reinforcement cage, without setting up steel reinforcement cage fixed mount temporarily, steel can be effectively prevented
Muscle cage sinks.
Certainly, in some cases, it is necessary to make bilayer steel reinforcement cage, on job platform set three inner layer metal bars
110, three inner layer metal bars 110 are arranged in triangular shape, and the triangle that each inner layer metal bar 110 is arranged in job platform turns
Crook, the both ends of inner layer metal bar 110 are connected to two adjacent outer layer metal bars 104, inner layer metal on job platform
The middle part of bar 110 is then formed at the aperture of stake holes 100.So, when needing to arrange double-deck steel reinforcement cage, steel reinforcement cage outer layer
The upper end of longitudinal reinforcement 109 is hung on job platform, and the upper end of the longitudinal reinforcement 109 of steel reinforcement cage internal layer then hangs over inner layer metal bar
On 110.
Certainly, the upper end of the longitudinal reinforcement 109 of steel reinforcement cage internal layer is bent, hung on inner layer metal bar 110, so as to keep
The fixed installation of the longitudinal reinforcement 109 of steel reinforcement cage internal layer, without setting up steel reinforcement cage fixed mount temporarily, can effectively it prevent
Steel reinforcement cage sinks.
In addition, when steel reinforcement cage is more than two layers, then inner layer metal bar can be then set according to above-mentioned operating method
110, form the structure of multi-tier arrangement.
In construction procedure 4) in, after steel reinforcement cage banding fixed is good, in order to more preferably support perfusion hopper 112,
Two support bars 111 are set on job platform, separately arranged between two support bars 111, the end of support bar 111 is connected to
On job platform, the middle part of support bar 111 is at the aperture of stake holes 100, and perfusion hopper 112 is plugged in into two support bars
Between 111, so, perfusion hopper 112 is in tilted layout, then can be toward concrete perfusion in stake holes 100.Certainly, in order to ensure
Initial groundwater increment, can be in multiple location arrangements support bars 111 of job platform.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (10)
1. the construction method of Large-diameter Manual Excavation Pile, it is characterised in that including following construction procedure：
1) measure of pile position positioning, and the spoil at the aperture of stake holes to be onstructed, are carried out at the construction field (site), and in the stake holes
Middle construction retaining wall；The job platform in triangular shape, the job platform suspension arrangement are set up at the aperture of the stake holes；Institute
State and hoisting frame is set up on job platform, and excavate the earthwork in stake holes section by section and pour the retaining wall of the stake holes；
2), when the pore digging to bottom, it is covered in using cover plate on the job platform of stake holes, to the aperture of the stake holes
Place forms covering, and carries out explosion to the basement rock of the stake holes bottom；
3), the banding steel cage in the stake holes, the upper end of the longitudinal reinforcement of the steel reinforcement cage are connected with the job platform；
4) perfusion materia bucket, is set up on the job platform, using the hopper that irrigates toward concrete perfusion in the stake holes.
2. the construction method of Large-diameter Manual Excavation Pile as claimed in claim 1, it is characterised in that the end of the job platform
Portion is embedded in the retaining wall of the stake holes.
3. the construction method of Large-diameter Manual Excavation Pile as claimed in claim 1, it is characterised in that the job platform it is upper
Surface is with the ground at the aperture of the stake holes with high concordant.
4. the construction method of the Large-diameter Manual Excavation Pile as described in any one of claims 1 to 3, it is characterised in that the work
Industry platform includes three outer layer metal bars, and the outer layer metal bar surrounds triangular shape arrangement, and the both ends of the outer layer metal bar
It is respectively embedded in the retaining wall of the stake holes.
5. the construction method of the Large-diameter Manual Excavation Pile as described in any one of claims 1 to 3, it is characterised in that described
In step 2), load-bearing material is placed in the cover plate.
6. the construction method of Large-diameter Manual Excavation Pile as claimed in claim 5, it is characterised in that in the step 2),
Before the cover plate is set, multiple pressure-bearing rods are set on the job platform, the both ends of multiple pressure-bearing rods respectively with
The job platform connection, the middle part of the pressure-bearing rod is at the aperture of the stake holes.
7. the construction method of Large-diameter Manual Excavation Pile as claimed in claim 4, it is characterised in that in the step 3),
During banding steel cage, the upper end of the longitudinal reinforcement of the steel reinforcement cage is bent, and hang over the outer layer of the job platform
Metallic rod.
8. the construction method of Large-diameter Manual Excavation Pile as claimed in claim 4, it is characterised in that when needing colligation clad steel
Muscle cage, in above-mentioned steps 3) in, three inner layer metal bars are set on the job platform, and three inner layer metal bars are in three
Horn shape is arranged, and the triangle corner of the job platform of each inner layer metal bar arrangement, the inner layer metal bar
Both ends are connected respectively in adjacent outer layer metal bar, upper end and the internal layer gold of the longitudinal reinforcement of the steel reinforcement cage internal layer
Belong to bar connection.
9. the construction method of Large-diameter Manual Excavation Pile as claimed in claim 8, it is characterised in that by the steel reinforcement cage internal layer
Longitudinal reinforcement upper end bending, and hang on the inner layer metal bar.
10. the construction method of the Large-diameter Manual Excavation Pile as described in any one of claims 1 to 3, it is characterised in that described
Construction procedure 4) in, two support bars are set on the job platform, and two support bars are separately arranged, and the branch
The end of strut is connected with the job platform, and the perfusion hopper is plugged between two support bars.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610257358.1A CN105887809B (en) | 2016-04-22 | 2016-04-22 | The construction method of Large-diameter Manual Excavation Pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610257358.1A CN105887809B (en) | 2016-04-22 | 2016-04-22 | The construction method of Large-diameter Manual Excavation Pile |
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| CN105887809A CN105887809A (en) | 2016-08-24 |
| CN105887809B true CN105887809B (en) | 2018-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610257358.1A Active CN105887809B (en) | 2016-04-22 | 2016-04-22 | The construction method of Large-diameter Manual Excavation Pile |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11172692A (en) * | 1997-12-16 | 1999-06-29 | Sato Benec Co Ltd | Execution of column constitution member |
| CN203625894U (en) * | 2013-12-24 | 2014-06-04 | 中国建筑第四工程局有限公司 | Auxiliary device for installation of steel reinforcement cage in pile hole |
| CN203960892U (en) * | 2014-06-27 | 2014-11-26 | 中建三局第一建设工程有限责任公司 | A kind of multifunction manual excavation pile construction working platform |
| CN205027219U (en) * | 2015-08-12 | 2016-02-10 | 上海绿地建设(集团)有限公司 | Hole stake blasting construction safety device is dug in manual work |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101515348B1 (en) * | 2013-04-19 | 2015-05-04 | 최성희 | Reinforcing structure for pile head |
-
2016
- 2016-04-22 CN CN201610257358.1A patent/CN105887809B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11172692A (en) * | 1997-12-16 | 1999-06-29 | Sato Benec Co Ltd | Execution of column constitution member |
| CN203625894U (en) * | 2013-12-24 | 2014-06-04 | 中国建筑第四工程局有限公司 | Auxiliary device for installation of steel reinforcement cage in pile hole |
| CN203960892U (en) * | 2014-06-27 | 2014-11-26 | 中建三局第一建设工程有限责任公司 | A kind of multifunction manual excavation pile construction working platform |
| CN205027219U (en) * | 2015-08-12 | 2016-02-10 | 上海绿地建设(集团)有限公司 | Hole stake blasting construction safety device is dug in manual work |
Non-Patent Citations (1)
| Title |
|---|
| 超大直径人工挖孔桩施工方法探讨;郭贵平;《中小企业管理与科技（下旬刊）》;20110831;第1-2节，图1-2 * |
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| CN105887809A (en) | 2016-08-24 |
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