CN207452888U - A kind of competent bed water mill bores pouring pile hole structure from the bottom of one's heart - Google Patents
A kind of competent bed water mill bores pouring pile hole structure from the bottom of one's heart Download PDFInfo
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- CN207452888U CN207452888U CN201720714888.4U CN201720714888U CN207452888U CN 207452888 U CN207452888 U CN 207452888U CN 201720714888 U CN201720714888 U CN 201720714888U CN 207452888 U CN207452888 U CN 207452888U
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Abstract
The utility model discloses a kind of competent bed water mills to bore pouring pile hole structure from the bottom of one's heart, the structure includes core and walling crib, walling crib is located at the periphery of core, the inner wall of walling crib is coated with smear layer, and according to stake depth cloth, disk number, single-deck set a circle stake holes circle from the bottom of one's heart inside walling crib, stake holes circle includes several drill core holes, intersect between two neighboring drill core hole and the inner wall of outside and walling crib is tangent, the core at drill core hole is cut to form free face by water mill drilling, and then empties center rock mass.The utility model with water mill by boring pouring pile hole construction technology from the bottom of one's heart, it is efficiently completed each specification pile foundation construction, effectively control influence of the construction to the intensive complex environment in periphery and business business district, ensure the safety and smooth construction of engineering, achieve good economic benefit and social benefit.
Description
Technical field
The utility model is related to the realm of building construction, are to be related to a kind of competent bed water mill brill to be perfused from the bottom of one's heart specifically
Stake is into pore structure.
Background technology
Bored concrete pile is a kind of base form common in foundation engineering, because hydrogeologic condition is different, pouring pile hole side
There are many forms for formula.Mud stone, argillaceous sandstone, sandstone etc. are more universal in the basic geology structure of Sichuan-chongqing Region, select blasting procedure
To pass through competent bed or enter the higher forming hole method of rock construction efficiency, but its there are the shortcomings that it is also fairly obvious, as explosion by
Control, blasting technique requirement be high, because vibration noise dust etc. is affected to surrounding enviroment, hole wall is loose after pore-forming and pore-forming ruler
It is very little do not need precisely it is secondary manually repair chisel etc..
Drawbacks described above is worth solving.
The content of the invention
In order to overcome the shortcomings of existing technology, the utility model provide a kind of competent bed water mill bore from the bottom of one's heart bored concrete pile into
Pore structure by boring pouring pile hole constructing structure from the bottom of one's heart with water mill, is efficiently completed each specification pile foundation construction, effectively controls
Influence of the construction to surrounding enviroment and business business district is made, it is ensured that the safety and smooth construction of engineering achieve good warp
Benefit of helping and social benefit.
Technical solutions of the utility model are as described below：
A kind of competent bed water mill bores pouring pile hole structure from the bottom of one's heart, which is characterized in that including core and walling crib, the well
Circle is coated with smear layer positioned at the periphery of the core, the inner wall of the walling crib, and the walling crib is internally provided with a circle stake holes circle,
The center of circle of the stake holes circle is overlapped with the center of circle of the walling crib, and the stake holes circle includes several drill core holes, the two neighboring brill
Intersect the diameter for so that the center of circle in the two neighboring drill core hole is smaller than the drill core hole between core bore, the stake holes circle
A diameter of 160mm, the outside in the drill core hole and the inner wall of the walling crib are tangent, and the core at the drill core hole passes through water mill
Brill is emptied to form free face.
According to the utility model of said program, which is characterized in that the walling crib by rock brick and M5 masonry of cement mortar and
Into the thickness of the walling crib is 240mm.
According to the utility model of said program, which is characterized in that the smear layer is 1：2 cement mortar.
Further, the thickness of the smear layer is 10mm.
According to the utility model of said program, which is characterized in that the walling crib elevation of top 300mm above ground level.
According to the utility model of said program, its advantage is：
1st, water mill drilling machine unit operation, engine base occupy little space, conveniently moving, multimachine simultaneously operation influence each other it is weaker,
Operation is flexible, work efficiency is high；
2nd, drill bit vertically presses, alloy-steel blade is cut, and stake holes shaping accuracy is high, and quality is good.
3rd, water mill drilling machine operation noise it is small, without dust, without friction, surrounding enviroment and existing building are influenced small.Suitable pair
Safety and noise have the city strictly controlled and business circles' location construction.
4th, drilling machine drilling diameter limits from stake diameter, technique, device simple, equally applicable super-large diameter stake drilling
Pile driving construction.
Description of the drawings
Fig. 1 is the utility model stake heart and walling crib construction layout figure.
Fig. 2 is the structure diagram of the utility model stake heart positioning.
Fig. 3 is the structure diagram that the utility model water mill drills through core positioning.
Fig. 4 is the structure diagram of the utility model stake heart body rock free face.
Fig. 5 is the flow chart of the utility model construction.
In the figure 1, core；13rd, stake heart control point；2nd, walling crib；21st, walling crib internal diameter；3rd, stake holes circle；31st, the stake heart； 32、
Stake holes internal diameter；33rd, drill core hole；34th, drilling pipe diameter；35th, drill core distance of center circle；5th, stake holes.
Specific embodiment
Below in conjunction with the accompanying drawings and the utility model is further described in embodiment：
As shown in Figs 1-4, a kind of competent bed water mill bores pouring pile hole structure from the bottom of one's heart, core and well including body rock 1
Circle 2, walling crib 2 is located at the periphery of core, 2 elevation of top of walling crib 300mm above ground level.
Walling crib 2 is formed by rock brick and M5 masonry of cement mortar, and the thickness of walling crib 2 is 240mm.The inner wall of walling crib 2 is coated with
Smear layer, smear layer 1:2 cement mortar, thickness 10mm.
Walling crib 2 is internally provided with a circle stake holes circle 3, and the center of circle of stake holes circle 3 is overlapped with the center of circle of walling crib 2, and stake holes circle 3 includes
Several drill core holes 33 intersect between two neighboring drill core hole 33 so that the drill core distance of center circle 35 in two neighboring drill core hole 33 is less than bores
Cylinder diameter 34, a diameter of 160mm of stake holes circle 3, the outside in drill core hole 33 and the inner wall of walling crib 2 are tangent.
Stake heart control point 13, walling crib internal diameter, stake holes internal diameter 32 and drilling pipe diameter 34 in figure respectively as marked, at stake holes 5
Core by water mill brill empty to form free face.
As shown in figure 5, the hard formation water mill bores the construction of pouring pile hole structure from the bottom of one's heart, comprise the following steps：
1st, preparation of construction, including the technological learning to project under construction and the preparation to site environment.
The technological learning of project under construction is included to the examination ＆ approval of project under construction, the study of technology contents and safety measure
Study.
The preparation of site environment is included：1) place flattens, and checks axis, elevation control point, has reached middle weathering into hole face
Rock stratum；2) people, material, machine are on time in place according to construction speed, and carry out inspection confirmation；3) foundation layout plan is combined, is set
Two level water storage sedimentation basin.
2nd, construction layout.
According to arrangement and method for construction before boring, 31 point position of the guide pile heart is straight in walling crib 2 with 32 measuring walling crib inner edge of stake holes internal diameter
Footpath is required than 32 big 50mm of stake holes internal diameter.
3rd, 5 fore shaft of stake holes is carried out.Specifically include step：
(1) stake position surface layer loose ground rock layers are rejected, top mark height is built by laying bricks or stones and is higher by the walling crib 2 of ground level 300mm stake holes 5 is carried out
Fore shaft；
(2) for fore shaft using MU10 shale bricks, the guard wall of M5 masonry of cement mortar 240mm thickness into walling crib, inner wall smears 10mm
Thick 1：2 cement mortar；
(3) with red paint, facade, plane mark the stake heart control point 13 of cross in fore shaft, so that work progress is in stake
The heart positions and absolute altitude is monitored, it is ensured that size, verticality are in error range.
4th, stake holes 5 from the bottom of one's heart, specifically includes the step of drilling is removed with the stake heart 1 disintegration piecemeal of rock mass.
Drilling is removed：Several coring points, (a diameter of 160mm of coring in the present embodiment, with stake are arranged along pile foundation hole wall
Footpath and appointed condition can adjust coring diameter), coring circle is tangent with fore shaft inner wall, and adjacent drill core centre-to-centre spacing is less than drilling pipe diameter
(≤ 160mm)；Periphery core is drilled through successively, cuts the high about 600mm of core, and stake heart body rock forms one after periphery core is taken out
A circle free face.
Stake heart rock mass disintegration piecemeal：Along stake radius core-drilling, stake heart rock mass is divided into three parts, every piece of independent rock mass accounts for
1/3, then divide rock with portable water drilling machine cooperation gad, stake rock is subdivided into several equal portions.
5th, rock slag is gone out.
It is slagged tap in hole using the simple hoisting frame handling of hoist engine and aperture, after a single cycle construction operation, water mill is bored
The core drilled out is slagged tap successively, is slagged tap and is carried out from the one side of stake holes 5.
6th, stake holes 5 controls.
According to plane cross stake heart control point 13 on fore shaft, into hole, water mill brill is often drilled one layer and takes projection pile center line
After slag, 33 diameter of drill core hole and verticality are detected, when measurement takes zigzag protruding parts.
7th, drill core uprighting.
When 5 central point of disk stake holes and center of projection position deviation are controlled in 50mm, in 5 verticality 5L/1000 of stake holes.If
There is deviation to rectify a deviation in time, while mark next Xun Huan periphery water mill and bore boring and coring position, into the hole stake of subsequent cycle
Construction；
8th, stake holes 5 is checked and accepted.
Cycling drills through until design socket length, bottom hole must reach smooth, no loose slag, mud, precipitation or disturbs
Soft formation, then contacts design department geology engineer and carries out stake position geology and confirm, meets after design meets the requirements, carries out down
Procedure.
Concrete application embodiment
1st, Longxin Center Project
Longxin Center Project west, it is in the south connect with existing skyscraper, project under construction, Deep Foundation Pit excavate 44m, hole bottom mark
Height is below surrounding building structure, and construction environment is extremely complex.The engineering structure form is frame-tube structure, and geology is mud
Rock, Sandy Silt, sandstone are no bottom-enlarging filling pile basis under high building, annex column, and 5 design size of stake holes is up to 3.4m, may
Rock depth 6.8m, essential bearing stratum is complete middle weathering Sandy Silt, 250mm under live foundation pit has been excavated to 7 layers of underground terrace,
Middle weathering Sandy Silt Layer is had been enter into, complicated construction environment is unfavorable for using Blasting Excavation pile foundation.
Pile foundation is all constructed using the utility model engineering method under column, and Large Diameter Pile Holes 5 excavate this equally applicable technique, nothing
Security incident occurs, and construction efficiency is high, the smooth mellow and full beauty of 5 side wall of stake holes, and hole position physical dimension is accurate, and coagulation pours and budget
It is small to measure deviation, it is cost-effective.Nearby Structure, means of transportation are detected, no breakoff phenomenon.
2nd, Wall Street square Sheraton Hotel engineering
Wall Street square Sheraton Hotel engineering is the high intelligence that Liang Dongji hotels, office, business, service function are integrated
Change, the Super High commercial office complex of automation.Deep Foundation Pit excavates 11.8m, and hole bottom absolute altitude is below surrounding building structure, constructs
Environment is complicated.The engineering structure form is frame-tube structure, and geology is mud stone, Sandy Silt, sandstone, middle weathering chiltern mud
Rock stratum is no bottom-enlarging filling pile basis under high building, annex column, and 5 design size of stake holes is up to 1.8m, bears rock depth 6.8m,
For essential bearing stratum for complete middle weathering Sandy Silt, 250mm under live foundation pit has been excavated to 2 layers of underground terrace has been enter into apoplexy
Change Sandy Silt Layer, complicated construction environment is unfavorable for using Blasting Excavation pile foundation.
Pile foundation is all constructed using the utility model engineering method under column, and Large Diameter Pile Holes 5 excavate this equally applicable technique, nothing
Security incident occurs, and construction efficiency is high, the smooth mellow and full beauty of 5 side wall of stake holes, and hole position physical dimension is accurate, and coagulation pours and budget
It is small to measure deviation, it is cost-effective.Nearby Structure, means of transportation are detected, no breakoff phenomenon.
In two concrete application embodiments：
(1) this engineering pile hole forming checked, checked, dominant item all meets design and code requirement, allows
Deviation project reaches code requirement and desired value, checks and accepts once by obtaining responsible departments of the government, Party A, the consistent favorable comment of management；
(2) high-pressure water pipe wetting rock is equipped with when water mill bores construction, dust, noise, exhaust smoke level are small during cutting, to operation people
Member influences low, active response low-carbon environment-friendly, green construction policy, very with promotional value；
(3) drilling pipe cutting rock mass, hole wall Forming Quality is good, reduces secondary reparation, saves duration, cost, reaches two-win effect
Fruit；
(4) super-large diameter construction method of the pouring pile hole in rock stratum from the bottom of one's heart is realized, form of construction work is simple, regularization；
(5) realize from electric energy and replace kinetic energy, reduce and construction environment is disturbed, the compensation that enterprise is avoided to damage big gun, to advocating
Lead safety in production, Sustainable Development of Enterprises is contributed.
The specific benefit that the engineering method and structure of the utility model are brought includes economic benefit, social benefit and environmental protection effect
Benefit.Wherein,
1st, economic benefit
By taking the foundation engineering of Longxin center as an example, for pile foundation in below 10m, level of ground water is higher, shares 288 piles, overall length
About 1280m, pile foundation cubic meter of stone amount about 3000m3, using this engineering method construct, compared with blasting procedure, major embodiment labour cost with
Difference is different on material.
Table one：Water mill bores bored concrete pile and excavates Economic and Efficiency Analysis table
Direct economic benefit is brought using this engineering method：(580.93-445.66) member/m3×3000m3=405810 yuan.
2nd, social benefit
This engineering method is simple for process, and operation is preferably gone, and construction efficiency is high, and stake holes shaping is accurate, beautiful；Especially in business downtown area
When area, residential block, building dense area and means of transportation complicated highway section and construction site are narrow, construction peace is greatly improved
Overall coefficient reduces and the external world is interfered, the adverse effect that explosion is avoided to generate；Break through large diameter bored pile equipment energy
Power fully shows enterprise construction technical merit strength, obtains extraneous consistent favorable comment, obtains good social benefit.
3rd, environmental benefit
Work progress dust, noise pollution are low, and core shaping rule, secondary use rate is high, and it is few that slag is built in generation；Construction water
Reusable edible is precipitated in pond, saves water resource, meets national energy-saving emission reduction policy requirements.
It should be appreciated that for those of ordinary skills, can be improved or converted according to the above description,
And all these modifications and variations should all belong to the protection domain of the appended claims for the utility model.
Illustrative description is carried out to the utility model patent above in conjunction with attached drawing, it is clear that the reality of the utility model patent
Now be not subject to the restrictions described above, if employ the utility model patent methodology and technical solution carry out it is various
Improve or it is not improved the design of the utility model patent and technical solution are directly applied into other occasions, in this reality
With in new protection domain.
Claims (2)
1. a kind of competent bed water mill bores pouring pile hole structure from the bottom of one's heart, which is characterized in that including core and walling crib, the walling crib
Positioned at the periphery of the core,
The inner wall of the walling crib is coated with smear layer,
The walling crib is internally provided with a circle stake holes circle, and the center of circle of the stake holes circle is overlapped with the center of circle of the walling crib, the stake
Hole circle includes several drill core holes, intersecting the center of circle spacing so that the two neighboring drill core hole between the two neighboring drill core hole
Less than the diameter in the drill core hole, the outside in the drill core hole and the inner wall of the walling crib are tangent,
Core at the drill core hole is emptied to form free face by water mill brill.
2. competent bed water mill according to claim 1 bores pouring pile hole structure from the bottom of one's heart, which is characterized in that the walling crib
It is formed by rock brick and M5 masonry of cement mortar.
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| CN201720714888.4U CN207452888U (en) | 2017-06-20 | 2017-06-20 | A kind of competent bed water mill bores pouring pile hole structure from the bottom of one's heart |
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| CN201720714888.4U CN207452888U (en) | 2017-06-20 | 2017-06-20 | A kind of competent bed water mill bores pouring pile hole structure from the bottom of one's heart |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107059847A (en) * | 2017-06-20 | 2017-08-18 | 中国华西企业有限公司 | A kind of competent bed water mill bores pouring pile hole structure and its construction from the bottom of one's heart |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107059847A (en) * | 2017-06-20 | 2017-08-18 | 中国华西企业有限公司 | A kind of competent bed water mill bores pouring pile hole structure and its construction from the bottom of one's heart |
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