CN1243159C - Concrete pile foundation constructing technology and equipment - Google Patents
Concrete pile foundation constructing technology and equipment Download PDFInfo
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- CN1243159C CN1243159C CN 96101705 CN96101705A CN1243159C CN 1243159 C CN1243159 C CN 1243159C CN 96101705 CN96101705 CN 96101705 CN 96101705 A CN96101705 A CN 96101705A CN 1243159 C CN1243159 C CN 1243159C
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- hammering
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Abstract
The present invention discloses a concrete pile foundation constructing technology and equipment thereof. The constructing technology is composed of the following steps: A, the hole formation of a pile body and an upper force bearing disc; B, the manufacture of a force bearing platform; C, the manufacture of a lower force bearing disc; D, the formation of a pile by casting concrete. The pile foundation constructing equipment comprises a protective barrel. The upper end of a barrel body of the protective barrel is provided with an inverted round platform-shaped molding punching disc of the upper force bearing disc, wherein the inverted round platform-shaped molding punching disc is arranged under a feed inlet. An efficient squeezing dense reinforced concrete bearing pile constructed by the technology and the equipment has the advantages of large bearing capacity, good stability and reliable quality. The technology saves energy, shortens a constructing period, reduces the cost, and has the advantages of simple equipment structure and convenient use.
Description
The present invention relates to the construction technology and the special equipment thereof of the job practices of soft soil foundation treatment in the construction work, particularly a kind of pile foundation.
Several pile foundation of the prior art, as preformed pile, castinplace pile, root pile, explosion stake, rotary churning pile etc., all exist bearing capacity little, poor stability, waste constructional materials, consumption manpower, the shortcoming that the energy is high, thereby invest big, long in time limit, especially to the soft foundation of complexity, more can occur building, structure thing deflection is big or uneven subsidence, brings a lot of difficulties for technically design and construction.
The object of the present invention is to provide that a kind of materials are economized, bearing capacity is big, easy construction, energy conservation, pile foundation construction process that construction costs is lower and equipment.
The principle of the invention that proposes is to achieve these goals:
The size of bearing capacity of single pile derives from stake and enclose the frictional resistance of soil and the end load of stake, and the size of frictional resistance and end load depends on the foundation soil lithology, also depends on the structure and the shape of pile body simultaneously.Therefore can the ground extruding pile body soil around up and down, improve the lithology that soil is enclosed in stake, enclose the end load of frictional resistance and stake to increase stake, and make the load body, to add the bearing capacity of timber pile in pile body lower end and top.
Construction technology according to the compacted steel concrete bearing peg of above-mentioned principle design is as follows:
A, dig out the stake position hole isometrical with casing, put into casing, gradation drops into building waste, hammering, makes it to sink down into design elevation with casing, makes the pile body hole that there is last load dish on the top;
B, continuation drop into building waste hammering repeatedly in casing, make it to extrude the casing lower end and form the stake of falling mushroom-shaped end force-bearing table;
C, input concrete block hammering repeatedly in casing again make it to form load dish under the ellipsoid shape on casing bottom stake end force-bearing table;
D, proposition casing are put into reinforcing steel bar cage, the fluid concrete pile.
This concrete pipe base construction equipment comprises the casing that is made of stack shell, upper end hanger and charge door, and there is the last load disc molding punch plate of a reverse frustoconic its stack shell upper end, places below the charge door.
The present invention is described in detail below in conjunction with accompanying drawing embodiment.
Fig. 1 is the compacted steel concrete bearing peg schematic diagram of construction technology construction of the present invention.
Fig. 2 is the structural representation of the multi-functional casing of construction technology device therefor of the present invention.
Fig. 3 is the sectional drawing of Fig. 2.
As shown in Figure 1, at stake top apron piece load dish 1 on being arranged for 5 times, coil the bearing stratum of 1 bottom surface, is the inclined-plane that dish impacts out of going up by casing, and Here it is is a bearing stratum of last load dish 1 making of stake.In stake bottom portion, an anti-mushroom-shaped disk of making by attack of building waste (brickbat, lime-ash, sandstone etc.) is arranged, i.e. stake end force-bearing table 4, Here it is holds the bearing stratum of a desirable large bearing capacity of making by force for the end of stake.The useful spheroid that forms with tension weight churning with harsh concrete pile body peer on force-bearing table 4 tops, i.e. the following load dish 3 of this stake.In the making during load dish 1, soil is subjected to punching press, along pile body 2 a downward radiant force is arranged, when making stake end force-bearing table 4 and following load dish 3, to the radiant force in side week a radiant force that makes progress is arranged also except downward, radiant force goes in the same direction up and down, just certainly will be the up and down stake native compacted compacting of week between the load dish, thus stake week soil increased to the frictional resistance of pile body 2.
This shaping equipment mainly is multi-functional casing, sees Fig. 2, Fig. 3.Multi-functional casing comprises stack shell 7, hanger 10 and charge door 9, and there is the last load disc molding punch plate 8 of a reverse frustoconic stack shell 7 upper ends, place below the charge door 9.With 16 tons of tire cranes, three people operate during construction, and crane hangs up detacher, detacher lift heavy hammer, and repeated stock in multi-functional casing once just can be finished pile body 6, stake end force-bearing table 4, load dish 3, the upward making moulding of load dish 1 down.Its technology is: on set stake position, dig out and multi-functional casing footpath together dark 1 meter earlier--1.5 meters stake hole, and dig out the load dish, but should reserve the compacted degree of compaction of impact of 30cm--50cm.Degree of compaction is fixed according to original soil soil property under the last load dish.Multi-functional casing is put into this hole (attention remains the verticality of casing), again weight is put into casing, carry hammer reinforced (building waste), hammer is mentioned predetermined altitude, unhook is dropped hammer, reinforced repeatedly hammering, and material depends on casing and is being with casing to sink, until design elevation, the pore-forming of pile body and the pore-forming of last load dish have at this moment just been finished.If soil property is soft under the last load dish, reserve the degree of compaction deficiency, then should mention casing, under dish, add loess or building waste again, capable again hammering is to guarantee the bearing capacity of dish.Casing is sink to design elevation, continues reinforced hammering repeatedly, and reinforced what and hammer number determine according to the lithology and the designing requirement of bottom soil, but last hammering pile penetration are controlled at 50--100mm, and weight resilience is simultaneously also sent clear and melodious sound.By hammering, the material that descends to around the extruding, general made force-bearing table, diameter reaches 1.1--1.3 rice, thickness reaches 80cm.If have underground water or soil moisture content big, can mix simultaneously with quicklime or cement reinforced, make force-bearing table become fixed integral body.In order to improve bearing capacity of single pile, make the stake end enlarge bearing surface, make a following load dish again at the stake end, be located on the force-bearing table.Its technology is to carry hammer, and the harsh concrete (addition is generally at the 0.2--0.3 cubic meter) with pile body peer is put in gradation, with weight repeatedly hammering descend the load dish to complete like this at the bottom of the casing.Propose casing then, put into reinforcing steel bar cage 6, fluid concrete.If this ground soil property is relatively poor, for preventing to propose stake hole undergauge behind the casing, can not carry casing, promptly in casing, place reinforcing steel bar cage 6, and fluid concrete, the limit fluid concrete, casing is carried on the limit, has so just guaranteed the complete of pile body 2
With the steel concrete bearing peg of construction technology construction of the present invention, bearing capacity is big, and its stability, reliability all are superior to the various pile foundations of current home and abroad, and it prevents and reduced the differential settlement of the immerge and the complex foundation of subgrade.This stake can be saved constructional materials 30% than general basis (tape base, cut down base), saves 50%--70% than pile foundation, and saves manpower, reduces labour intensity, saves the energy, the reduction of erection time, reduces cost.This former, simple in structure, be easy to make, keep in repair, use.
Claims (4)
1, a kind of concrete pipe base construction technology is characterized in that said construction technology is made of following steps:
A, dig out the stake position hole isometrical with casing, put into casing, gradation drops into building waste, hammering, makes it to sink down into design elevation with casing, makes the pile body hole that there is last load dish on the top;
B, continuation drop into building waste hammering repeatedly in casing, make it to extrude the casing lower end and form the stake of falling mushroom-shaped end force-bearing table;
C, input concrete block hammering repeatedly in casing again make it to form load dish under the ellipsoid shape on casing bottom stake end force-bearing table;
D, proposition casing are put into reinforcing steel bar cage, the fluid concrete pile.
2, concrete pipe base construction technology according to claim 1 is characterized in that the isometrical stake position hole depth of said that dig out and casing is 1 meter---1.5 meters.
3, concrete pipe base construction technology according to claim 1, it is characterized in that finish said steps A, promptly make the top have on behind the pile body hole of load dish, improve casing, interpolation loess or building waste under last load dish, go again after the hammering, continue step B.
4, according to claim 1 or 3 described concrete pipe base construction technologies, it is characterized in that when the fluid concrete pile, in casing, placing reinforcing steel bar cage, limit fluid concrete then, casing is carried on the limit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96101705 CN1243159C (en) | 1996-01-05 | 1996-01-05 | Concrete pile foundation constructing technology and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96101705 CN1243159C (en) | 1996-01-05 | 1996-01-05 | Concrete pile foundation constructing technology and equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1153847A CN1153847A (en) | 1997-07-09 |
| CN1243159C true CN1243159C (en) | 2006-02-22 |
Family
ID=5117215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96101705 Expired - Fee Related CN1243159C (en) | 1996-01-05 | 1996-01-05 | Concrete pile foundation constructing technology and equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1243159C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103967002A (en) * | 2013-01-28 | 2014-08-06 | 深圳市勘察测绘院有限公司 | Occlusive pile construction method |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100393947C (en) * | 2006-06-05 | 2008-06-11 | 马金五 | Construction method of tamping expending force bearing disc pile |
| CN103015407A (en) * | 2012-12-01 | 2013-04-03 | 李尚喜 | High-rise building foundation sister hole blasting building and construction method on mountain stone |
-
1996
- 1996-01-05 CN CN 96101705 patent/CN1243159C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103967002A (en) * | 2013-01-28 | 2014-08-06 | 深圳市勘察测绘院有限公司 | Occlusive pile construction method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1153847A (en) | 1997-07-09 |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060222 Termination date: 20100205 |