CN1908321A - Inner hole stirring concrete pile making process and equipment of grouting extrusion head - Google Patents
Inner hole stirring concrete pile making process and equipment of grouting extrusion head Download PDFInfo
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- CN1908321A CN1908321A CN 200510010239 CN200510010239A CN1908321A CN 1908321 A CN1908321 A CN 1908321A CN 200510010239 CN200510010239 CN 200510010239 CN 200510010239 A CN200510010239 A CN 200510010239A CN 1908321 A CN1908321 A CN 1908321A
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Abstract
The invention relates to a method for forming post by mixing concrete in drilling hole slurry expand head hole, wherein said method comprises: arranging steel cage in the cement slurry of drilling hole compress cement protective wall; then putting the concrete mixer into said hole, to rotate and extend out the expand blade arm via itself gravity, to form expand head at the lower end of post; and automatically drawing back the arm when being lifted; then putting sand, stone and cement slurry into the material open to be mixed; mixing and drawing out to form the steel concrete post with expand head.
Description
Technical field:
The present invention relates to used job practices of a kind of building pile foundation and device.
Background technology:
The building pile foundation tradition is used the drilled pressure filling pile technology at present, because pile shaft material is no husky concrete, grading of aggregate is unreasonable, the low strictness restriction that is subjected to national regulation of intensity, be difficult to satisfy the design and use requirement, and this type cement consumption is big, cost is high, mend shortcomings such as how wayward human factors such as slurry are.
Summary of the invention:
The purpose of this invention is to provide stirring concrete piling method and device in squeezed hole of a kind of drilled pressure filling.
Above-mentioned purpose realizes by following technical scheme:
Stirring concrete piling method in squeezed hole of a kind of drilled pressure filling, in the cement paste of fields water injection mud off, lay reinforcing cage, in the hole, throw in stirring concrete pile making device in the hole, rotation is stretched out to stir and is expanded the cutter support arm by the gravitational pressure of device, form the expansion head in the stake end portion, automatic drawing back stirs and expands the cutter support arm during lifting, and the while throws in graded sand, building stones and cement paste to device material mouth and stirs, and carries device formation band while stirring and expands a reinforced concrete pile.
Stirring concrete piling method in squeezed hole of above-mentioned drilled pressure filling is thrown in extruding-spreading device in the cement paste of fields water injection mud off, squeezed one-tenth head.
Stirring concrete piling method in squeezed hole of above-mentioned drilled pressure filling, the stirring concrete device is to throw in the hole of cement injection retaining wall in the described hole, and the interior cement paste of steel pipe that enters the stirring concrete device hole in is made concrete by helical stir bar and graded sand and stone continuous stirring and directly poured into pile.
Stirring concrete piling method in squeezed hole of above-mentioned drilled pressure filling when the stirring concrete device is thrown in grating sand, stone, aggregate in the hole, also mixes dry cement and Admixture in proportion.
Stirring concrete pile making device in the hole that above-mentioned method is used, its composition comprises: unit head, steel sleeve, the casing of described unit head is connected with described steel sleeve, the helical stir bar that is connected with unit head output shaft lower end is housed in the described steel sleeve, stirring-head is equipped with in the lower end of described helical stir bar, the lower end of described stirring-head is equipped with by hinged stirring and is expanded the cutter support arm, the described lower end of expanding the cutter support arm of stirring is provided with pole, and the upper end of described steel sleeve is provided with and the corresponding feeding port of elevating hopper.
Stirring concrete pile making device in the above-mentioned hole, the stirring vane of described puddler for be interrupted or not with stirring vane, described pole is a multistage, length direction connects by connector between each section.
Stirring concrete pile making device in the above-mentioned hole, described stirring-head are rectangle, triangle or trapezoidal.
The squeezed head unit of drilled pressure filling that above-mentioned method is used, its composition comprises: hydraulic jack, the power transmission guide peg, described power transmission guide peg is connected with described hydraulic jack upper end, in the described hydraulic jack liquid presses piston pole is housed, is equipped with on the described liquid presses piston pole with hinged squeezed support arm.
The squeezed head unit of above-mentioned drilled pressure filling, described squeezed support arm are one to be assembled on the described liquid presses piston pole with hinged squeezed support arm.
This technical scheme has following beneficial effect:
Among the present invention owing to adopt stirring concrete pile making device in squeezed head unit of drilled pressure filling and the hole, thereby the supporting capacity of stake is improved, and when remove the stirring-head lower end by hinged stir expand cutter support arm and pole after, the stirring concrete pile making device can use separately in the hole.
2. because employing the invention enables supporting capacity to improve, this type cement consumption is reduced, obtain bearing capacity cost per ton and reduce, the benefit of creation is more.
3. adopting the invention enables pile strength to meet design requirement, requirement according to bearing capacity of single pile, in the hole in the stirring concrete pile making device, the stirring of its bottom expanded head and can be cancelled, still do not influence and stir pile in the hole, and can increase strut lengths according to stirring concrete pile making device bottom in the hole, layer of sand position, thereby can be in the hole arbitrary sand layer stir and expand into head.
4. adopt the present invention that construction quality is improved, adding proper amount of dry cement and Admixture stir in graded sand, building stones, can improve the intensity of concrete.
Description of drawings:
Accompanying drawing 1 is the structural representation of the squeezed head unit of drilled pressure filling.
Accompanying drawing 2 is structural representations of stirring concrete pile making device in the hole.
Accompanying drawing 3 is the construction schematic diagrames when carrying out auger boring according to method of the present invention.
Accompanying drawing 4 is the construction schematic diagrames when carrying out the fields water injection mud off according to method of the present invention.
Accompanying drawing 5 is the construction schematic diagrames when carrying out squeezed according to method of the present invention.
Accompanying drawing 6 is the construction schematic diagrames when laying reinforcing cage according to method of the present invention.
Accompanying drawing 7 is the construction schematic diagrames when carrying out ready-mixed concrete in the hole according to method of the present invention.
Accompanying drawing 8 is the construction schematic diagrames behind the pile that carries out according to method of the present invention.
The specific embodiment of the present invention:
Embodiment 1:
Stirring concrete piling method in squeezed hole of a kind of drilled pressure filling, when auger machine is holed to projected depth, beginning is cement injection in the hole, brill is carried on marginal not slurry limit, cement wraps up more than 1 meter all the time, play the effect of guard aperture wall to not collapsing the hole site, in the cement paste of fields water injection mud off, lay reinforcing cage then, in the hole, throw in stirring concrete pile making device in the hole, rotation is stretched out to stir and is expanded the cutter support arm by the gravitational pressure of device, forms in the stake end portion and expands head, and automatic drawing back stirs and expands the cutter support arm during lifting, simultaneously to device material mouthful input graded sand, building stones and cement paste stir, and carry device while stirring and form a band expansion reinforced concrete pile.
Embodiment 2:
Stirring concrete piling method in squeezed hole of embodiment 1 described drilled pressure filling is thrown in extruding-spreading device, squeezed one-tenth head in the cement paste of fields water injection mud off.
Embodiment 3:
Stirring concrete piling method in embodiment 1 or squeezed hole of 2 described drilled pressure fillings, the stirring concrete device is to throw in the hole of cement injection retaining wall in the described hole, and the interior cement paste of steel pipe that enters the stirring concrete device hole in is made concrete by helical stir bar and graded sand and stone continuous stirring and directly poured into pile.
Embodiment 4:
Stirring concrete piling method in embodiment 1 or squeezed hole of 2 described drilled pressure fillings when the stirring concrete device is thrown in grating sand, stone, aggregate in the hole, also mixes dry cement and Admixture in proportion.
Embodiment 5:
Stirring concrete pile making device in the hole that embodiment 1 described method is used, its composition comprises: unit head 14, steel sleeve 8, the casing of described unit head 14 is connected with described steel sleeve 8, the helical stir bar 9 that is connected with the output shaft lower end of unit head 14 is housed in the described steel sleeve 8, stirring-head 10 is equipped with in the lower end of described helical stir bar 9, the lower end of described stirring-head 10 is equipped with by stirring of hinge 12 connections and is expanded cutter support arm 11, the described lower end of expanding cutter support arm 11 of stirring is provided with pole 13, and the upper end of described steel sleeve 8 is provided with and elevating hopper 7 corresponding feeding ports 6.After drilled pressure filling extruding expansion head is finished, in the hole, throw in the hole stirring concrete pile making device at the bottom of the hole, will expand cutter support arm 11 by gravity by hinge 12 and stretch out, form end expansion head through rotation, stirring expansion cutter support arm 11 lower ends installation pole 13, can stir reaming in the layer of sand arbitrarily.Finish to carry by the deadweight withdrawal on the expansion head back and stir expansion cutter support arm 11, throw in sandstone aggregate by elevating hopper 7 to feeding port 6 again, a 14 driving helical stir bar 9 that turn on the power stir cement pastes in sand, stone, aggregate and the steel sleeve 8 (in order shifting to an earlier date and the cement paste stirring, can to establish stream and starch the hole on steel sleeve).Because graded sand, stone aggregate are in steel sleeve 8, the scope of activities of restriction aggregate forms and stirs environment fully, and on the helical stir bar 9 stirring vane arranged, and repeatedly is continuously stirring to arrive stirring-head 10 in the hole again and stir and push pile behind the hole walls.
Embodiment 6:
Stirring concrete pile making device in the embodiment 5 described holes, the blade of described puddler 9 for be interrupted or not with stirring vane, described pole 13 is a multistage, length direction connects by connector between each section.
Embodiment 7:
Stirring concrete pile making device in the embodiment 5 described holes, described stirring-head 10 is rectangle, triangle or trapezoidal.
Embodiment 8:
The squeezed head unit of drilled pressure filling that embodiment 2 described methods are used, its composition comprises: hydraulic jack 1, power transmission guide peg 5, described power transmission guide peg 5 is connected with described hydraulic jack 1 upper end, in the described hydraulic jack 1 liquid presses piston pole 3 is housed, the squeezed support arm 2 that connects with hinge 4 is housed on the described liquid presses piston pole 3.Any soil layer carries out squeezed head in drilled pressure filling retaining wall hole, has remedied in the hole stirring concrete pile making device lower end and has stirred and expand the problem that head can only expand the deficiency of head at layer of sand.Concrete scheme: after by power transmission guide rod 5 extruding-spreading device being rendered to design and expanded a position, begin to regain the piston rod 3 in the hydraulic jack 1, driving squeezed support arm 2 by piston rod 3 contracts to recovery, because hinge point 4 change makes squeezed support arm 2 protruding, pay after reaching intended diameter, the piston rod 3 of hydraulic jack 1 stretches out hinge point 4 changes simultaneously and expands support arm 2 and stretch downwards and finish the back back and forth and become to push expanded head pile.This device adopts auger or crane to be used.The squeezed head in optional position (not limited by soil layer) in the hole of fields water injection mud off.
Embodiment 9:
The squeezed head unit of embodiment 8 described drilled pressure fillings, described squeezed support arm 2 are one to be assembled on the described liquid presses piston pole 3 the squeezed support arm 2 that connects with hinge 4.
The fields water injection mud off was to not stepping on the hole site when projected depth was got in auger boring, throw in extruding-spreading device expansion head to the aperture and can design several squeezed heads (not limited by soil layer) according to soil layer, propose extruding-spreading device after finishing, lay reinforcing bar, throw in mixing plant in the hole again, this device lower end is installed hinge and is stirred expansion cutter support arm, utilize the gravity of this device to stir to expand the cutter support arm and stretch out, rotation is stirred and expand into expansion head (can only stir and expand head) in layer of sand, also can stir expansion cutter support arm lower end installation pole (length is determined according to layer of sand and reaming position).By feeding port in steel pipe, throw in graded sand, building stones stir into concrete with the cement paste of retaining wall in the hole, stir on material loading limit, limit, limit lifting appliance, hoisting velocity per minute (determine) to be stirred to a top pile according to material loading speed between 0.2m～1.0m.In graded sand, building stones, add proper amount of dry cement and stir, can improve concrete strength.
Claims (9)
1. stirring concrete piling method in squeezed hole of a drilled pressure filling, it is characterized in that: in the cement paste of fields water injection mud off, lay reinforcing cage, in the hole, throw in stirring concrete pile making device in the hole, rotation is stretched out to stir and is expanded the cutter support arm by the gravitational pressure of device, form the expansion head in the stake end portion, automatic drawing back stirs and expands the cutter support arm during lifting, and the while throws in graded sand, building stones and cement paste to device material mouth and stirs, and carries device formation band while stirring and expands a reinforced concrete pile.
2. stirring concrete piling method in squeezed hole of drilled pressure filling according to claim 1 is characterized in that: throw in extruding-spreading device in the cement paste of fields water injection mud off, squeezed one-tenth head.
3. stirring concrete piling method in squeezed hole of drilled pressure filling according to claim 1 and 2, it is characterized in that: the stirring concrete device is to throw in the hole of cement injection retaining wall in the described hole, the interior cement paste of steel pipe that enters stirring concrete device in the hole is made concrete by helical stir bar and graded sand and stone continuous stirring, directly pours into pile.
4. stirring concrete piling method in squeezed hole of drilled pressure filling according to claim 1 and 2 is characterized in that: when the stirring concrete device is thrown in grating sand, stone, aggregate in the hole, also mix dry cement and Admixture in proportion.
5. stirring concrete pile making device in the described method of a claim 1 hole of using, its composition comprises: unit head, steel sleeve, it is characterized in that: the casing of described unit head is connected with described steel sleeve, the helical stir bar that is connected with unit head output shaft lower end is housed in the described steel sleeve, stirring-head is equipped with in the lower end of described helical stir bar, the lower end of described stirring-head is equipped with by hinged stirring and is expanded the cutter support arm, the described lower end of expanding the cutter support arm of stirring is provided with pole, and the upper end of described steel sleeve is provided with and the corresponding feeding port of elevating hopper.
6. stirring concrete pile making device in the hole according to claim 5 is characterized in that: the stirring vane of described puddler for be interrupted or not with stirring vane, described pole is a multistage, length direction connects by connector between each section.
7. according to stirring concrete pile making device in claim 5 or the 6 described holes, it is characterized in that: described stirring-head is a rectangle, triangle or trapezoidal.
8. the squeezed head unit of drilled pressure filling that uses of the described method of a claim 2, its composition comprises: hydraulic jack, the power transmission guide peg, it is characterized in that: described power transmission guide peg is connected with described hydraulic jack upper end, in the described hydraulic jack liquid presses piston pole is housed, is equipped with on the described liquid presses piston pole with hinged squeezed support arm.
9. the squeezed head unit of drilled pressure filling according to claim 8 is characterized in that: described squeezed support arm is one to be assembled on the described liquid presses piston pole with hinged squeezed support arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510010239 CN1908321A (en) | 2005-08-03 | 2005-08-03 | Inner hole stirring concrete pile making process and equipment of grouting extrusion head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510010239 CN1908321A (en) | 2005-08-03 | 2005-08-03 | Inner hole stirring concrete pile making process and equipment of grouting extrusion head |
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|---|---|
| CN1908321A true CN1908321A (en) | 2007-02-07 |
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| CN 200510010239 Pending CN1908321A (en) | 2005-08-03 | 2005-08-03 | Inner hole stirring concrete pile making process and equipment of grouting extrusion head |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101831910A (en) * | 2010-03-09 | 2010-09-15 | 中铁建设集团有限公司 | Construction method of reinforced concrete flange reaming type filling pile |
| CN112726577A (en) * | 2020-12-25 | 2021-04-30 | 中铁一局集团有限公司 | Pore-forming cast-in-place pile construction equipment and construction process thereof |
| CN113073640A (en) * | 2021-04-25 | 2021-07-06 | 浙江工业职业技术学院 | Multi-section expanding piling construction method |
-
2005
- 2005-08-03 CN CN 200510010239 patent/CN1908321A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101831910A (en) * | 2010-03-09 | 2010-09-15 | 中铁建设集团有限公司 | Construction method of reinforced concrete flange reaming type filling pile |
| CN101831910B (en) * | 2010-03-09 | 2014-06-18 | 中铁建设集团有限公司 | Construction method of reinforced concrete flange reaming type filling pile |
| CN112726577A (en) * | 2020-12-25 | 2021-04-30 | 中铁一局集团有限公司 | Pore-forming cast-in-place pile construction equipment and construction process thereof |
| CN112726577B (en) * | 2020-12-25 | 2022-02-25 | 中铁一局集团有限公司 | Construction process of pore-forming cast-in-place pile |
| CN113073640A (en) * | 2021-04-25 | 2021-07-06 | 浙江工业职业技术学院 | Multi-section expanding piling construction method |
| CN113073640B (en) * | 2021-04-25 | 2022-08-26 | 浙江工业职业技术学院 | Multi-section expanding piling construction method |
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