CN101413274A - Upper-stacking and lower-hanging combined load static load test pile apparatus - Google Patents
Upper-stacking and lower-hanging combined load static load test pile apparatus Download PDFInfo
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- CN101413274A CN101413274A CNA2008101362979A CN200810136297A CN101413274A CN 101413274 A CN101413274 A CN 101413274A CN A2008101362979 A CNA2008101362979 A CN A2008101362979A CN 200810136297 A CN200810136297 A CN 200810136297A CN 101413274 A CN101413274 A CN 101413274A
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Abstract
The invention relates to an upward-stacking and downward-hanging combined loading static load pile test device, wherein a steel structure bracket of a main beam is arranged on the ground at two sides of a foundation pile; two ends of the main beam are arranged on the steel structure bracket of the main beam; a jack is placed between the main beam and the foundation pile; a secondary beam is arranged on the main beam along a direction vertical to the main beam, and the secondary beam and the main beam form a ballast platform; an upward-stacking steel structure load reinforcing box is arranged on the secondary beam, and a secondary beam support saddle which also serves as a lower load box and another lower load box are hung downwards on two sides of the secondary beam along the width direction of the secondary beam through connecting pieces; a square reinforcing baffle or a reinforcing baffle with the shape like a Chinese character 'jing' is positioned and fixed in the upward-stacking steel structure load reinforcing box; and the side wall of the jack close to the lower load boxes is provided with a displacement sensor for measuring the settling amount of the foundation pile. The upward-stacking and downward-hanging combined loading static load pile test device adopts lifting equipment to add counterweight materials into the upward-stacking steel structure load reinforcing box, and the upward-stacking steel structure load reinforcing box is lifted off once when a static load pile test is finished. The upward-stacking and downward-hanging combined loading static load pile test device has the advantages of safe and fast construction, mechanical lifting, high efficiency, and labor and cost conservation.
Description
Technical field
The present invention relates to the preloading device that a kind of construction work ground and static load of pile foundation lotus vertical bearing capacity detect, particularly a kind of upper-stacking and lower-hanging combined load static load test pile apparatus.
Background technology
The construction of construction-engineering project, particularly highrise building, large-scale structure needs to use a large amount of pile foundations.According to the requirement of country about ground and pile foundation engineering inspection of quality standard, reply foundation pile test pile and engineering piles are carried out the bearing capacity static load and are detected, to determine and to check its bearing capacity of single pile, as the mandatory term of pile quality acceptance requirement.Traditional static loading test ballast platform counterforce device is to use the sand pocket counterweight on the ballast platform; Stack sand pocket very heavy, feel unwell complete, consume a large amount of sand pockets, speed is slow, efficiency of construction is low.
Summary of the invention
The objective of the invention is a kind of upper-stacking and lower-hanging combined load static load test pile apparatus.
The technology of the present invention realizes by following technical proposal: a kind of upper-stacking and lower-hanging combined load static load test pile apparatus, in the foundation pile both sides along same straight line, with the equidistant girder steel structure support of settling on the ground of foundation pile, the two ends of girder are placed on the girder steel structure support, place jack between girder and foundation pile; Pay beam along in a row arranging perpendicular to the direction of girder, the length direction of paying beam is symmetrical in foundation pile and is placed on the girder, pays beam and girder and forms the ballast platform; Settle heap steel work load reinforcement case on pair beam, the both sides paying the beam width direction are symmetrical in foundation pile, pay beam support double load case and following load case down by extension under the connector; Heap steel work load is strengthened in the case on described, and positioning and fixing strengthens plate washer with " mouth " font of the big muzzle osculum of foundation pile vertical centre axial symmetry or plate washer strengthened in " well " font; On the sidewall of the close load case down of jack, displacement transducer is housed, in order to measure the settling amount of foundation pile.
The described road clearance of hanging the load case down is than paying beam support the double big 5-30 centimetre of load case of hanging down.The outer wall of strengthening case at last heap steel work load is equipped with cat ladder and scale.
The invention has the beneficial effects as follows:
1. adopt hanging device upwards to pile the steel work load and strengthen case and add the counterweight material, after the static load test pile is finished, disposablely last heap steel work load is strengthened case hang down; Construction safety, fast, mechanization lifting, efficient height, save manpower and cost.
2. descend the extension casing to alleviate the counterweight on ballast platform top, help reducing the desired height of going up heap steel work load reinforcement case; Also reduce the whole center of gravity of upper-stacking and lower-hanging combined load static load test pile apparatus, improved the stability of ballast platform and integrally.
3. strengthen being provided with in the case " mouth ", " well " font reinforcement plate washer at last heap steel work load, last heap steel work load is strengthened the lateral wall pressure of case in order to reduce filler, box height be can increase as far as possible, under the identical situation of floor space, maximum volume and preloading weight obtained.The volume that last heap steel work load is strengthened case is determined according to the heap(ed) capacity of test requirements document.
4. the load of static load test pile is very large, and assembly of the present invention adopts the high strength steel member, to guarantee construction safety.
5. the outer wall of strengthening case at last heap steel work load is equipped with cat ladder 2 and scale 3, watches situation and the quantity thereof that load is strengthened the counterweight material in the case for the constructor.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is schematic perspective view of the present invention (foundation pile and the jack that are positioned at the center are blocked by the girder steel structure support).
Fig. 2 is structural representation of the present invention (removing the girder steel structure support of termination, to show foundation pile and jack).
Fig. 3 is the vertical view that heap steel work load is strengthened case of going up of Fig. 2, and strengthens plate washer to show " well " font that heap steel work load is strengthened in the case.
Fig. 4 is the A-A generalized section of Fig. 2.
The specific embodiment
The road clearance of hanging load case 7 down is bigger 16 centimeters than paying the double extension down of beam support load case 6.The outer wall of strengthening case 1 at last heap steel work load is equipped with cat ladder 2 and scale 3, watches situation and the quantity thereof that heap steel work load is strengthened the counterweight material in the case 1 for the constructor.
Claims (3)
1, a kind of upper-stacking and lower-hanging combined load static load test pile apparatus, it is characterized in that: in foundation pile (12) both sides along same straight line, with foundation pile (12) equidistant on ground (8) go up to settle girder steel structure support (10), the two ends of girder (9) are placed on the girder steel structure support (10), place jack (11) between girder (9) and foundation pile (12); Pay beam (4) along in a row arranging perpendicular to the direction of girder (9), the length direction of paying beam (4) is symmetrical in foundation pile (12) and is placed on the girder (9), pays beam (4) and forms the ballast platform with girder (9); On Fu Liang (4), settle heap steel work load reinforcement case (1),, be symmetrical in foundation pile (12), load case (6) and following load case (7) under extension pair beam support is held concurrently down by connector (5) in the both sides of Fu Liang (4) width; Heap steel work load is strengthened in the case (1) on described, and positioning and fixing is strengthened plate washer (13) or " well " font with " mouth " font of the big muzzle osculum of foundation pile vertical centre axial symmetry and strengthened plate washer (14); On the sidewall of the close load case (7) down of jack (11), displacement transducer (15) is housed.
2, the heap extension combined type load static load test pile apparatus down of going up according to claim 1 is characterized in that: the described road clearance of hanging load case (7) down is than paying beam support the double big 5-30 centimetre of load case (6) of hanging down.
3, the heap of going up according to claim 1 is hung combined type load static load test pile apparatus down, it is characterized in that: the outer wall of strengthening case (1) at last heap steel work load is equipped with cat ladder (2) and scale (3).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2008101362979A CN101413274B (en) | 2008-11-26 | 2008-11-26 | Upper-stacking and lower-hanging combined load static load test pile apparatus |
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CN2008101362979A CN101413274B (en) | 2008-11-26 | 2008-11-26 | Upper-stacking and lower-hanging combined load static load test pile apparatus |
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CN101413274A true CN101413274A (en) | 2009-04-22 |
CN101413274B CN101413274B (en) | 2010-06-09 |
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CN2008101362979A Expired - Fee Related CN101413274B (en) | 2008-11-26 | 2008-11-26 | Upper-stacking and lower-hanging combined load static load test pile apparatus |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103015466A (en) * | 2012-12-24 | 2013-04-03 | 太原理工大学 | Device for testing liquefying effect of pile foundation indoors and liquefying effect evaluation method |
CN103542971A (en) * | 2013-10-28 | 2014-01-29 | 中国建筑第七工程局有限公司 | Simple device for detecting pulling resistance |
CN104234095A (en) * | 2014-10-13 | 2014-12-24 | 青海省建筑建材科学研究院 | Steel girder device for static loading experiment |
CN105277444A (en) * | 2015-04-21 | 2016-01-27 | 河南理工大学 | Full-mechanical-type pile model test device and test method based on multidirectional loading |
CN106153443A (en) * | 2016-08-19 | 2016-11-23 | 上海市政工程设计研究总院(集团)有限公司 | A kind of loading counter weight device and loading method thereof |
CN110004996A (en) * | 2019-05-10 | 2019-07-12 | 四川中亿创新重型装备有限公司 | A kind of integral steel structure frame ballast heap carrier and its Static Load Test Method |
CN110578346A (en) * | 2018-06-11 | 2019-12-17 | 杭州西南检测技术股份有限公司 | Step type load box for self-balancing method |
CN111501859A (en) * | 2020-04-16 | 2020-08-07 | 福建省永正工程质量检测有限公司 | Self-balancing static load type pile foundation testing device and construction method |
CN115492172A (en) * | 2022-07-26 | 2022-12-20 | 长沙理工大学 | Device and method for testing influence of traffic load on pile net composite foundation power |
Family Cites Families (4)
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CN2090835U (en) * | 1991-02-06 | 1991-12-18 | 徐州市建筑工程研究所 | Loading device for testing vertical bearing capacity of single pile |
CN2145379Y (en) * | 1992-11-26 | 1993-11-03 | 沈昌鲁 | Experimental device for stake base static load |
CN2408451Y (en) * | 2000-02-13 | 2000-11-29 | 云南金广建筑科学研究中心 | Positive placed cylinder post body reverse force static load test oil pressure device |
CN2775143Y (en) * | 2005-04-07 | 2006-04-26 | 云南金广建筑科学研究院 | Large diameter pile static loaded test steel reinforced concrete platform |
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2008
- 2008-11-26 CN CN2008101362979A patent/CN101413274B/en not_active Expired - Fee Related
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103015466A (en) * | 2012-12-24 | 2013-04-03 | 太原理工大学 | Device for testing liquefying effect of pile foundation indoors and liquefying effect evaluation method |
CN103542971A (en) * | 2013-10-28 | 2014-01-29 | 中国建筑第七工程局有限公司 | Simple device for detecting pulling resistance |
CN103542971B (en) * | 2013-10-28 | 2015-11-18 | 中国建筑第七工程局有限公司 | A kind of easy device detecting withdrawal resistance |
CN104234095A (en) * | 2014-10-13 | 2014-12-24 | 青海省建筑建材科学研究院 | Steel girder device for static loading experiment |
CN104234095B (en) * | 2014-10-13 | 2016-06-15 | 青海省建筑建材科学研究院 | A kind of static loading experiment girder steel device |
CN105277444B (en) * | 2015-04-21 | 2018-03-09 | 河南理工大学 | Fully mechanical pile foundation model test apparatus and test method based on multidirectional loading |
CN105277444A (en) * | 2015-04-21 | 2016-01-27 | 河南理工大学 | Full-mechanical-type pile model test device and test method based on multidirectional loading |
CN106153443A (en) * | 2016-08-19 | 2016-11-23 | 上海市政工程设计研究总院(集团)有限公司 | A kind of loading counter weight device and loading method thereof |
CN110578346A (en) * | 2018-06-11 | 2019-12-17 | 杭州西南检测技术股份有限公司 | Step type load box for self-balancing method |
CN110578346B (en) * | 2018-06-11 | 2021-03-19 | 杭州西南检测技术股份有限公司 | Step type load box for self-balancing method |
CN110004996A (en) * | 2019-05-10 | 2019-07-12 | 四川中亿创新重型装备有限公司 | A kind of integral steel structure frame ballast heap carrier and its Static Load Test Method |
CN111501859A (en) * | 2020-04-16 | 2020-08-07 | 福建省永正工程质量检测有限公司 | Self-balancing static load type pile foundation testing device and construction method |
CN111501859B (en) * | 2020-04-16 | 2021-08-10 | 福建省永正工程质量检测有限公司 | Self-balancing static load type pile foundation testing device and construction method |
CN115492172A (en) * | 2022-07-26 | 2022-12-20 | 长沙理工大学 | Device and method for testing influence of traffic load on pile net composite foundation power |
CN115492172B (en) * | 2022-07-26 | 2024-04-09 | 长沙理工大学 | Device and method for testing influence of traffic load on pile-net composite foundation power |
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