CN104846855A - Detection method of anchoring static load apparatus - Google Patents
Detection method of anchoring static load apparatus Download PDFInfo
- Publication number
- CN104846855A CN104846855A CN201510294521.7A CN201510294521A CN104846855A CN 104846855 A CN104846855 A CN 104846855A CN 201510294521 A CN201510294521 A CN 201510294521A CN 104846855 A CN104846855 A CN 104846855A
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- China
- Prior art keywords
- anchor
- static load
- draws
- load machine
- pile
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Piles And Underground Anchors (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention relates to a detection method of an anchoring static load apparatus. The method includes the steps of 1, leveling a pile head and moving and positioning the anchoring static load apparatus; 2, starting a hydraulic leg; 3, positioning an electric anchoring screw; 4, driving a self-driving anchor pile into a formation through forward rotation of a power head; 5, connecting the top of the self-driving anchor pile to the bottom of the electric anchoring screw; 6, starting the electric anchoring screw to pre-draw the self-driving anchor pile and balance the anchoring static load apparatus; 7, starting a loading main cylinder of the anchoring static load apparatus to press a pile body; 8, collecting pile data, retracting the loading main cylinder and the electric anchoring screw, and withdrawing the self-driving anchor pile through reverse rotation of the power head of the anchoring static load apparatus; 9, repeating the steps 1 to 8, and performing static load detection of a next test pile. The technical problems of the existing pile static load tests are effectively solved; the blank in the worldwide pile foundation industry is blanked.
Description
Technical field
The present invention relates to a kind of detection method of building pile foundation, be specifically related to the detection method that a kind of anchor draws static load machine.
Background technology
In current pile foundation industry construction, design bearing capacity can be reached to check the design parameters of pile body, need after engineering construction completes to carry out static loading test, but the method that static loading test adopts at present is on pile crown, use girder steel that one bearing platform is set, upper heap concrete block, then rely on be placed on jack on pile crown by platform progressively item rise, thus power is applied to pile body, then judge whether this pile body reaches designing requirement by the bearing capacity of single pile, settling amount.But the concrete block due to current standard is 2 tons one, the static loading test of a pile body needs hundreds of block concrete block, not only seriously hinder detection progress, and concrete block enormous amount, cost of transportation is high, increase Urban Transportation pressure, therefore seriously constrain the development of pile foundation industry.
Summary of the invention
The technical problem to be solved in the present invention is to provide the detection method that a kind of speed of application is fast, machinery degree of changing into is high anchor draws static load machine.
For solving above technical problem, technical scheme of the present invention is: a kind of anchor draws the detection method of static load machine, it is characterized in that comprising the following steps:
1st step: test pile crown is levelling, and anchor draws the telephone-moving of static load machine, utilizes loading master cylinder to aim at test pile and locates;
2nd step: start cyclotron mechanism, rotates support;
3rd step: find out the position that four are applicable to piercing anchor pile, utilizes anchor to draw the dynamic anchor wire drawing bar of static load electromechanics to carry out automatic anchor pole stake location;
4th step: by anchor draw the unit head of static load machine clockwise and start pressurizing chain pressurization, rotating speed with creep into outfit, realize not destroying the object of soil layer, automatic anchor pole stake pierced soil layer, and reach predetermined depth requirements, complete successively second, third, the 4th automatic anchor pole stake;
5th step: four automatic anchor pole stake tops and four anchors are drawn bottom the electronic anchor wire drawing bar of static load machine and be connected respectively;
6th step: open anchor and draw the dynamic anchor wire drawing bar of static load electromechanics, prestretching is carried out to automatic anchor pole stake, makes anchor draw static load machine complete machine to reach balance;
7th step: open the loading master cylinder that anchor draws static load machine, pile body is pressurizeed;
8th step: after gathering pile body experimental data, packs up and loads master cylinder and electronic anchor wire drawing bar, draws the unit head of static load machine to reverse extract automatic anchor pole stake respectively by anchor;
9th step: repeat 1 ~ 8, carry out the dead-load detection of next root test pile.
Described anchor draws static load machine, comprise collapsible body frame, body frame strut, walking mechanism, slew gear, support, hoisting mechanism, pulpit, unit head, hydraulic system and electrical system, described walking mechanism is provided with slew gear, described slew gear top is provided with support, described upper part of the frame is provided with collapsible body frame, pulpit, hoisting mechanism, hydraulic strut, body frame strut and electrical system, both sides are provided with hydraulic leg and electronic anchor wire drawing bar, front end is provided with leading truck, and middle part is provided with loading master cylinder; The described front portion that collapsible body frame top is provided with assembly pulley, bottom is fixed on support, outside portion are provided with slideway; One end of described hydraulic strut is fixed on inside collapsible body frame, and the other end is fixed on support middle front part; Described unit head is arranged on slideway; Described body frame strut one end is fixed on the top of collapsible body frame, and the other end is fixed on the postmedian of support.
Described hoisting mechanism, electrical system are fixed on the postmedian of support.
Described electronic anchor wire drawing bar is distributed in support surrounding, and bottom is provided with connecting pin.
With support front end, pressurizing chain is installed bottom described unit head.
Described unit head is provided with automatic anchor pole stake.
The floor projection point at described four electronic anchor wire drawing bar centers and unit head center is circumferentially same what be the center of circle with ballast master cylinder.
The blade of described automatic anchor pole stake is hollow screw structure, and pitch is shorter.
The equipment of the present invention to current pile body static loading test is innovated, by increasing master cylinder and electronic anchor wire drawing bar as anchoring pile counterforce device on the support of crawler type stake machine, adopt the automatic anchor pole stake of the band hollow screw structure that uplift resistance is higher simultaneously, both the monommechanization operation of pile body static loading test and the whole Transporting of machine one car had been achieved, do not destroy again the soil layer of pile foundation surrounding, effectively solve the technical barrier of current pile body static loading test, reduce experimentation cost, significantly improve detection speed and benefit, achieve the effect of environmental protection and energy saving, solve the difficult problem always perplexing pile foundation industry for a long time, fill up a blank of world's pile measurement industry.
Accompanying drawing explanation
Fig. 1 is the structural representation that anchor of the present invention draws static load machine;
Fig. 2 is the top view that anchor of the present invention draws static load machine structure;
Fig. 3 is that anchor of the present invention draws static load machine automatic anchor pole pilework schematic diagram.
Detailed description of the invention
Anchor draws a detection method for static load machine, it is characterized in that comprising the following steps:
1st step: test pile crown is levelling, and anchor draws the telephone-moving of static load machine, utilizes loading master cylinder to aim at test pile and locates;
2nd step: start cyclotron mechanism, rotates support;
3rd step: find out the position that four are applicable to piercing anchor pile, utilizes anchor to draw the dynamic anchor wire drawing bar of static load electromechanics to carry out automatic anchor pole stake location;
4th step: by anchor draw the unit head of static load machine clockwise and start pressurizing chain pressurization, rotating speed with creep into synchronous, realize not destroying the object of soil layer, automatic anchor pole stake pierced soil layer, and reach predetermined depth requirements, complete successively second, third, the 4th automatic anchor pole stake;
5th step: four automatic anchor pole stake tops and four anchors are drawn bottom the electronic anchor wire drawing bar of static load machine and be connected respectively;
6th step: open anchor and draw the dynamic anchor wire drawing bar of static load electromechanics, prestretching is carried out to automatic anchor pole stake, makes anchor draw static load machine complete machine to reach balance;
7th step: open the loading master cylinder that anchor draws static load machine, pile body is pressurizeed;
8th step: after gathering pile body experimental data, packs up and loads master cylinder and electronic anchor wire drawing bar, draws the unit head of static load machine to reverse extract automatic anchor pole stake respectively by anchor;
9th step: repeat 1 ~ 8, carry out the dead-load detection of next root test pile.
As accompanying drawing 1, 2, shown in 3, anchor draws static load machine, comprise collapsible body frame, body frame strut, walking mechanism, slew gear, support, hoisting mechanism, pulpit, unit head, hydraulic system and electrical system, described walking mechanism 1 is provided with slew gear 15, described slew gear 15 top is provided with support 2, described support 2 top is fixed with collapsible body frame 3, pulpit, hoisting mechanism 5, hydraulic strut 7, body frame strut 6 and electrical system, both sides are provided with four hydraulic legs 8 and four electronic anchor wire drawing bars 4, front end is provided with leading truck 9, middle part is provided with and loads master cylinder 12, described collapsible body frame 3 top be provided with assembly pulley 10, bottom-hinged in the front portion of support 2, outside portion is welded with slideway 11, one end of described hydraulic strut 7 is hinged on inside collapsible body frame 3, and the other end is fixed on support 2 middle front part, described unit head 13 is movably arranged on slideway 11, described body frame strut 6 one end is fixed on the top of collapsible body frame 3, and the other end is hinged on the postmedian of support 2.
Described hoisting mechanism 5, electrical system are fixed on the postmedian of support 2.
Described four electronic anchor wire drawing bars 4 are distributed in support 2 both sides, and bottom welding has connecting pin.
With support 2 front end, pressurizing chain 16 is installed bottom described unit head 13.
Described unit head 13 six square joint lower ends are provided with automatic anchor pole stake 14.
The floor projection point at described four electronic anchor wire drawing bar 4 centers and unit head 13 center is circumferentially same what be the center of circle with ballast master cylinder 12.
Described have the blade of automatic anchor pole stake 14 to be hollow screw structure, and pitch is 20cm.
Anchor of the present invention draws the operating principle of static load machine testing method to be: drawn by anchor loading master cylinder 12 center of static load machine to align with the pile crown center of peg to be checked, start cyclotron mechanism 15, by rotating support 2, find out the position that four, periphery is applicable to piercing automatic anchor pole stake 14, utilize anchor to draw the dynamic anchor wire drawing bar 4 of static load electromechanics to carry out automatic anchor pole stake 14 to locate, then automatic anchor pole stake 14 being arranged on anchor draws on the unit head 13 of static load machine, pressurize with startup pressurizing chain 16 by unit head 13 is clockwise, successively soil layer is inserted in four automatic anchor pole stakes 14, and draw the connecting pin bottom four of static load machine electronic anchor wire drawing bars 4 to be connected respectively with anchor four automatic anchor pole stake 14 tops, then open anchor and draw four of dead-load detection machine electronic anchor wire drawing bars 4, prestretching is carried out to four automatic anchor pole stakes 14, anchor is made to draw static load machine complete machine to reach equilibrium state, opening anchor afterwards draws loading master cylinder 12 pairs of pile bodies of static load machine to pressurize, gather the bearing capacity of pile body, after the information of settling amount, pack up and load master cylinder 12, and automatic anchor pole stake 14 is departed from bottom electronic anchor wire drawing bar 4, then draw the unit head 13 of static load machine to reverse by anchor and extract automatic anchor pole stake 14, complete the dead-load detection work of single test stake.
Claims (8)
1. anchor draws a detection method for static load machine, it is characterized in that comprising the following steps:
1st step: test pile crown is levelling, and anchor draws the telephone-moving of static load machine, utilizes loading master cylinder to aim at test pile and locates;
2nd step: start cyclotron mechanism, rotates support;
3rd step: find out the position that four are applicable to piercing anchor pile, utilizes anchor to draw the dynamic anchor wire drawing bar of static load electromechanics to carry out automatic anchor pole stake location;
4th step: by anchor draw the unit head of static load machine clockwise and start pressurizing chain pressurization, rotating speed with creep into outfit, realize not destroying the object of soil layer, automatic anchor pole stake pierced soil layer, and reach predetermined depth requirements, complete successively second, third, the 4th automatic anchor pole stake;
5th step: four automatic anchor pole stake tops and four anchors are drawn bottom the electronic anchor wire drawing bar of static load machine and be connected respectively;
6th step: open anchor and draw the dynamic anchor wire drawing bar of static load electromechanics, prestretching is carried out to automatic anchor pole stake, makes anchor draw static load machine complete machine to reach balance;
7th step: open the loading master cylinder that anchor draws static load machine, pile body is pressurizeed;
8th step: after gathering pile body experimental data, packs up and loads master cylinder and electronic anchor wire drawing bar, draws the unit head of static load machine to reverse extract automatic anchor pole stake respectively by anchor;
9th step: repeat 1 ~ 8, carry out the dead-load detection of next root test pile.
2. anchor according to claim 1 draws the detection method of static load machine, it is characterized in that: described anchor draws static load machine, comprise collapsible body frame, body frame strut, walking mechanism, slew gear, support, hoisting mechanism, pulpit, unit head, hydraulic system and electrical system, described walking mechanism (1) is provided with slew gear (15), described slew gear (15) top is provided with support (2), described support (2) top is provided with collapsible body frame (3), pulpit, hoisting mechanism (5), hydraulic strut (7), body frame strut (6) and electrical system, both sides are provided with hydraulic leg (8) and electronic anchor wire drawing bar (4), front end is provided with leading truck (9), middle part is provided with and loads master cylinder (12), the described front portion that collapsible body frame (3) top is provided with assembly pulley (10), bottom is fixed on support (2), outside portion are provided with slideway (11), one end of described hydraulic strut (7) is fixed on collapsible body frame (3) inner side, and the other end is fixed on support (2) middle front part, described unit head (13) is arranged on slideway (11), described body frame strut (6) one end is fixed on the top of collapsible body frame (3), and the other end is fixed on the postmedian of support (2).
3. anchor according to claim 1 draws the detection method of static load machine, it is characterized in that: described hoisting mechanism (5), electrical system are fixed on the postmedian of support (2).
4. anchor according to claim 1 draws the detection method of static load machine, it is characterized in that: described electronic anchor wire drawing bar (4) is distributed in support (2) surrounding, and bottom is provided with connecting pin.
5. anchor according to claim 1 draws the detection method of static load machine, it is characterized in that: described unit head (13) bottom is provided with pressurizing chain (16) with support (2) front end.
6. anchor according to claim 1 draws the detection method of static load machine, it is characterized in that: described unit head (13) is provided with automatic anchor pole stake (14).
7. anchor according to claim 4 draws the detection method of static load machine, it is characterized in that: the floor projection point at described four electronic anchor wire drawing bar (4) centers and unit head (13) center is circumferentially same what be the center of circle with ballast master cylinder (12).
8. anchor according to claim 6 draws the detection method of static load machine, it is characterized in that: the blade of described automatic anchor pole stake (14) is hollow screw structure, and pitch is shorter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510294521.7A CN104846855B (en) | 2015-06-02 | 2015-06-02 | Detection method of anchoring static load apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510294521.7A CN104846855B (en) | 2015-06-02 | 2015-06-02 | Detection method of anchoring static load apparatus |
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| Publication Number | Publication Date |
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| CN104846855A true CN104846855A (en) | 2015-08-19 |
| CN104846855B CN104846855B (en) | 2017-01-18 |
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| CN201510294521.7A Active CN104846855B (en) | 2015-06-02 | 2015-06-02 | Detection method of anchoring static load apparatus |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1366297A (en) * | 1971-11-12 | 1974-09-11 | Piling Construction Co Ltd | machines for earth and rock working |
| CN2630314Y (en) * | 2003-05-30 | 2004-08-04 | 武汉市天宝工程机械有限责任公司 | Stirring pile machine capable of automatically controlling piling quality |
| WO2007068903A1 (en) * | 2005-12-12 | 2007-06-21 | Terrain Geotechnical Consultants Limited | A pile test apparatus |
| CN102051890A (en) * | 2010-11-23 | 2011-05-11 | 淮安市中涟工程机械制造有限公司 | Detection vehicle for static load test of single pile in foundation piles |
| CN201943072U (en) * | 2011-01-28 | 2011-08-24 | 中南大学 | Hydraulic static pile pressing machine with folding type stand column |
| CN102628336A (en) * | 2012-05-07 | 2012-08-08 | 邢占东 | Batter pile construction drilling machine and construction method |
| CN103266635A (en) * | 2013-04-26 | 2013-08-28 | 合肥工业大学 | Ground-anchor-type pile foundation static load test device and test method |
-
2015
- 2015-06-02 CN CN201510294521.7A patent/CN104846855B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1366297A (en) * | 1971-11-12 | 1974-09-11 | Piling Construction Co Ltd | machines for earth and rock working |
| CN2630314Y (en) * | 2003-05-30 | 2004-08-04 | 武汉市天宝工程机械有限责任公司 | Stirring pile machine capable of automatically controlling piling quality |
| WO2007068903A1 (en) * | 2005-12-12 | 2007-06-21 | Terrain Geotechnical Consultants Limited | A pile test apparatus |
| CN102051890A (en) * | 2010-11-23 | 2011-05-11 | 淮安市中涟工程机械制造有限公司 | Detection vehicle for static load test of single pile in foundation piles |
| CN201943072U (en) * | 2011-01-28 | 2011-08-24 | 中南大学 | Hydraulic static pile pressing machine with folding type stand column |
| CN102628336A (en) * | 2012-05-07 | 2012-08-08 | 邢占东 | Batter pile construction drilling machine and construction method |
| CN103266635A (en) * | 2013-04-26 | 2013-08-28 | 合肥工业大学 | Ground-anchor-type pile foundation static load test device and test method |
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| CN104846855B (en) | 2017-01-18 |
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Effective date of registration: 20161027 Address after: 333000 Jiangxi Province, Jingdezhen City Changjiang district fish Li Industrial Park, No. fifteenth Applicant after: Jiangxi Huanqiu geotechnical Technology Co., Ltd. Address before: 333000 Jiangxi Province, Jingdezhen city Zhushan District pear garden in Shangri-La 27 Applicant before: Ma Chungen |
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