CN105464151A - Precast pile pulling resistance testing device - Google Patents
Precast pile pulling resistance testing device Download PDFInfo
- Publication number
- CN105464151A CN105464151A CN201510990171.8A CN201510990171A CN105464151A CN 105464151 A CN105464151 A CN 105464151A CN 201510990171 A CN201510990171 A CN 201510990171A CN 105464151 A CN105464151 A CN 105464151A
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- China
- Prior art keywords
- preformed pile
- pile
- relay frame
- frame
- plate
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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
Abstract
The invention discloses a precast pile pulling resistance testing device used for testing the pulling resistance of a precast pile. The testing device comprises a connecting plate and a relay frame, wherein the connecting plate is at least fixedly connected with an end plate; the relay frame is fixedly connected with the connecting plate to transmit a force; and the relay frame is fixedly connected with a reaction frame through an external steel bar. During a test, a pulling-up acting force is exerted on the reaction frame by a jack, the acting force is transmitted to the end plate of the precast pile via the reaction frame, the relay frame and the connecting plate in sequence, and the pulling resistance of the precast pile is judged according to the pulling-up condition of the precast pile. The testing device is fastened with the end plate of the precast pile through bolts to form a complete force system, and the force is exerted upwards by the jack to finish testing of the pulling resistance of the precast pile. The testing device can realize testing of the pulling resistance of the precast pile on the basis of not breaking the pile, is free from welding quality problems, provides reliable test data, doesn't need pile breaking and core filling processes, and is low in cost and convenient in testing.
Description
Technical field
The invention belongs to preformed pile testing arrangement design field, be specifically related to a kind of preformed pile resistance to plucking checkout gear.
Background technology
The tangible factory of preformed pile or job site make various materials, various forms of stake, in stake being squeezed into, be pressed into or shake bury with sinking apparatus.The realm of building construction adopts more preformed pile mainly concrete precast pile and the large class of piling bar two, concrete precast pile can bear larger load, firm durable, speed of application is fast, be one of pile-type of Chinese extensive use, conventional has concrete solid square pile and hollow tubular piles of prestressed concrete.
The uplift resistance of preformed pile detects to detect in the market exists very large difficulty, and the detection especially for precast square pile uplift resistance exists busy point.Traditional detection utilizes the end plate of reinforcing bar on preformed pile to weld, or coordinates and wadding weft variation embedded bar, or by destruction preformed pile, makes it expose reinforcing bar in preformed pile, welds by embedded bar and outside reinforcing bar the transmission forming power.Reaction frame is finally utilized to carry out the applying of power.
There is following problem in aforesaid way:
Reinforcing bar welds with end plate, there is the insecure problem of welding quality, easily causes detection data exception.Wadding weft variation embedded bar cost compare is large, and the operation trouble cycle is long.Destruction preformed pile exposes reinforcing bar and connects, and cost is very high, destroys the structure of preformed pile, affects the structural strength of preformed pile.
Therefore, in view of this, be necessary to propose a kind of preformed pile resistance to plucking checkout gear, can not carrying out on the basis of broken pile, realize preformed pile uplift resistance and detect, detect data reliable, cost be lower, easy to detect.
Summary of the invention
In view of this, the invention provides a kind of preformed pile resistance to plucking checkout gear, this checkout gear and preformed pile end plate are fastened by bolts, and form holonomic system, have up exerted a force by jack the uplift resistance detecting preformed pile.Can not carry out on the basis of broken pile, realize preformed pile uplift resistance and detect, there is not problems of welded quality, detect data reliable, without the need to broken pile, fill out core technique, cost be lower, easy to detect.
A kind of preformed pile resistance to plucking checkout gear that object according to the present invention proposes, in order to test the uplift resistance of preformed pile, described preformed pile comprises pile body and the end plate being fixedly installed on pile body two ends, described pile body is solid construction, described checkout gear comprises at least fixing with described end plate connection junction plate, be fixedly connected with relay frame power transmitted with described junction plate, described relay frame realizes being connected and fixed by outside reinforcing bar and reaction frame;
During test, put on reaction frame pull out active force by jack, active force is passed to preformed pile end plate place by reaction frame, relay frame, junction plate successively, judges the uplift resistance of preformed pile according to the situation of pulling out on preformed pile.
Preferably, described junction plate detachably mates with described end plate and is connected.
Preferably, described junction plate and end plate are bolted fixing, and described bolt is uniformly distributed in the edge placement place of junction plate.
Preferably, be connected and fixed by screw rod between described junction plate and described relay frame, described relay frame center position is provided with the clamp nut matched with described screw rod, described screw rod passes from described relay frame center position and revolves and on described clamp nut, regulate the relative altitude between junction plate and relay frame by rotating screw bolt or relay frame.
Preferably, described junction plate middle position has protruded upward boss, forms the screw spun mutually with described screw rod inside described boss.
Preferably, described relay frame is frame construction, and comprise the baffle plate that base plate and periphery are arranged, described base plate and baffle plate junction are provided with stiffener.
The invention discloses a kind of preformed pile resistance to plucking checkout gear, in order to test the uplift resistance of preformed pile, this checkout gear comprises at least fixing with end plate connection junction plate, and be fixedly connected with relay frame power transmitted with junction plate, relay frame realizes being connected and fixed by outside reinforcing bar and reaction frame.During test, put on reaction frame pull out active force by jack, active force is passed to preformed pile end plate place by reaction frame, relay frame, junction plate successively, judges the uplift resistance of preformed pile according to the situation of pulling out on preformed pile.This checkout gear and preformed pile end plate are fastened by bolts, and form holonomic system, have up exerted a force by jack the uplift resistance detecting preformed pile.Can not carry out on the basis of broken pile, realize preformed pile uplift resistance and detect, there is not problems of welded quality, detect data reliable, without the need to broken pile, fill out core technique, cost be lower, easy to detect.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of preformed pile resistance to plucking checkout gear disclosed by the invention.
Fig. 2 is A-A directional diagram.
Fig. 3 is B-B directional diagram.
Fig. 4 is C-C directional diagram.
The title of the numeral in figure or the corresponding component representated by letter:
1, pile body 2, end plate 3, junction plate 4, relay frame 5, screw rod 6, bolt 7, boss 8, base plate 9, baffle plate 10, stiffener 11, clamp nut
Detailed description of the invention
The uplift resistance of preformed pile detects to detect in the market exists very large difficulty, and the detection especially for precast square pile uplift resistance exists busy point.Traditional detection utilizes the end plate of reinforcing bar on preformed pile to weld, or coordinates and wadding weft variation embedded bar, or by destruction preformed pile, makes it expose reinforcing bar in preformed pile, welds by embedded bar and outside reinforcing bar the transmission forming power.Reaction frame is finally utilized to carry out the applying of power.There is following problem in aforesaid way: reinforcing bar welds with end plate, there is the insecure problem of welding quality, easily cause detection data exception.Wadding weft variation embedded bar cost compare is large, and the operation trouble cycle is long.Destruction preformed pile exposes reinforcing bar and connects, and cost is very high, destroys the structure of preformed pile, affects the structural strength of preformed pile.
The present invention is directed to the deficiencies in the prior art, provide a kind of preformed pile resistance to plucking checkout gear, this checkout gear and preformed pile end plate are fastened by bolts, and formation power is complete, have up exerted a force by jack the uplift resistance detecting preformed pile.Can not carry out on the basis of broken pile, realize preformed pile uplift resistance and detect, there is not problems of welded quality, detect data reliable, without the need to broken pile, fill out core technique, cost be lower, easy to detect.
To be clearly and completely described technical scheme of the present invention by detailed description of the invention below.Obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Please also refer to Fig. 1 to Fig. 4, as shown in the figure, a kind of preformed pile resistance to plucking checkout gear, in order to test the uplift resistance of preformed pile, preformed pile comprises pile body 1 and the end plate 2 being fixedly installed on pile body two ends, and pile body 1 is solid construction.
Checkout gear comprises the junction plate 3 be at least connected and fixed with end plate 2, is fixedly connected with the relay frame 4 power transmitted with junction plate 3, and relay frame 4 realizes being connected and fixed by outside reinforcing bar (not shown) and reaction frame.
During test, put on reaction frame pull out active force by jack, active force is passed to preformed pile end plate place by reaction frame, relay frame, junction plate successively, judges the uplift resistance of preformed pile according to the situation of pulling out on preformed pile.
Be connected with the coupling of preformed pile by junction plate, height of formation fit, after by being connected with relay frame, relay frame welds with reinforcing bar, and power is distributed to outside reinforcing bar, forms perfect uplift resistance checkout gear.When the uplift resistance detected is larger, much traditional connection can not bear larger power.The uplift resistance of the maximum performance preformed pile of this covering device energy.There is low cost, can be recycled.Save concrete and fill out core and broken pile expense.
Junction plate 3 detachably mates with end plate 2 and is connected.Easy disassembly, can be recycled.
Junction plate 3 and end plate 2 are connected and fixed by bolt 5, and bolt 5 is uniformly distributed in the edge placement place of junction plate 3.By with bolts, facilitate the dismounting of junction plate, be bolted structural strength higher, good stability.The distributing position of bolt and quantity need setting according to concrete use, mutually mate, do not limit at this with end plate.
Be connected and fixed by screw rod 5 between junction plate 3 and relay frame 4, relay frame 4 center position is provided with the clamp nut 11 matched with screw rod 5, screw rod 5 passes from relay frame 4 center position and revolves and on clamp nut 11, regulate the relative altitude between junction plate and relay frame by rotating screw bolt or relay frame.Be applicable to different testing requirement, convenient being fixed with the reaction frame of different model is connected, applied widely.
Junction plate 3 middle position has protruded upward boss 7, forms the screw (not shown) spun mutually with screw rod 5 inside boss 7.Junction plate and screw rod revolve and fix, and end plate plays position-limiting action.
Relay frame 4 is frame construction, and comprise the baffle plate 9 that base plate 8 is arranged with periphery, base plate and baffle plate junction are provided with stiffener 10.To strengthen the structural strength of relay frame.
Installation detection mode is as follows:
One step ahead junction plate 3 is fixed on the end plate 2 of preformed pile by bolt 6, and relay frame 4 is arranged at above junction plate 3, screw rod 5 is fixed through relay frame and junction plate successively, and rotating screw bolt regulates the height between junction plate and relay frame, after on relay frame welded reinforcement, fixed by reinforcing bar and reaction frame.During test, put on reaction frame pull out active force by jack, active force is passed to preformed pile end plate place by reaction frame, relay frame, junction plate successively, judges the uplift resistance of preformed pile according to the situation of pulling out on preformed pile.
The invention discloses a kind of preformed pile resistance to plucking checkout gear, in order to test the uplift resistance of preformed pile, this checkout gear comprises at least fixing with end plate connection junction plate, and be fixedly connected with relay frame power transmitted with junction plate, relay frame realizes being connected and fixed by outside reinforcing bar and reaction frame.During test, put on reaction frame pull out active force by jack, active force is passed to preformed pile end plate place by reaction frame, relay frame, junction plate successively, judges the uplift resistance of preformed pile according to the situation of pulling out on preformed pile.This checkout gear and preformed pile end plate are fastened by bolts, and formation power is complete, have up exerted a force by jack the uplift resistance detecting preformed pile.Can not carry out on the basis of broken pile, realize preformed pile uplift resistance and detect, there is not problems of welded quality, detect data reliable, without the need to broken pile, fill out core technique, cost be lower, easy to detect.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (6)
1. a preformed pile resistance to plucking checkout gear, in order to test the uplift resistance of preformed pile, described preformed pile comprises pile body and the end plate being fixedly installed on pile body two ends, described pile body is solid construction, it is characterized in that, described checkout gear comprises at least fixing with described end plate connection junction plate, and be fixedly connected with relay frame power transmitted with described junction plate, described relay frame realizes being connected and fixed by outside reinforcing bar and reaction frame;
During test, put on reaction frame pull out active force by jack, active force is passed to preformed pile end plate place by reaction frame, relay frame, junction plate successively, judges the uplift resistance of preformed pile according to the situation of pulling out on preformed pile.
2. preformed pile resistance to plucking checkout gear as claimed in claim 1, it is characterized in that, described junction plate detachably mates with described end plate and is connected.
3. preformed pile resistance to plucking checkout gear as claimed in claim 2, it is characterized in that, described junction plate and end plate are bolted fixing, and described bolt is uniformly distributed in the edge placement place of junction plate.
4. preformed pile resistance to plucking checkout gear as claimed in claim 1, it is characterized in that, be connected and fixed by screw rod between described junction plate and described relay frame, described relay frame center position is provided with the clamp nut matched with described screw rod, described screw rod passes from described relay frame center position and revolves and on described clamp nut, regulate the relative altitude between junction plate and relay frame by rotating screw bolt or relay frame.
5. preformed pile resistance to plucking checkout gear as claimed in claim 4, it is characterized in that, described junction plate middle position has protruded upward boss, forms the screw spun mutually with described screw rod inside described boss.
6. preformed pile resistance to plucking checkout gear as claimed in claim 1, it is characterized in that, described relay frame is frame construction, and comprise the baffle plate that base plate and periphery are arranged, described base plate and baffle plate junction are provided with stiffener.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510990171.8A CN105464151A (en) | 2015-12-25 | 2015-12-25 | Precast pile pulling resistance testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510990171.8A CN105464151A (en) | 2015-12-25 | 2015-12-25 | Precast pile pulling resistance testing device |
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| Publication Number | Publication Date |
|---|---|
| CN105464151A true CN105464151A (en) | 2016-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510990171.8A Pending CN105464151A (en) | 2015-12-25 | 2015-12-25 | Precast pile pulling resistance testing device |
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| CN (1) | CN105464151A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107130648A (en) * | 2017-06-15 | 2017-09-05 | 钟利芬 | One kind is used for prefabricated pile gravity detection means |
| CN107142976A (en) * | 2017-06-15 | 2017-09-08 | 钟利芬 | One kind is used for prefabricated pile compressive resistance detection device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201310102Y (en) * | 2008-12-05 | 2009-09-16 | 中国建筑东北设计研究院有限公司 | Static load test conversion beam |
| CN103953078A (en) * | 2014-05-16 | 2014-07-30 | 安徽省建筑工程质量监督检测站 | Tubular pile pull-out test device with single dowel bar structure |
| CN204703205U (en) * | 2015-06-15 | 2015-10-14 | 上海同济建设工程质量检测站 | A kind of connector for connecting foundation pile and steel strand |
| CN205329736U (en) * | 2015-12-25 | 2016-06-22 | 苏州汤始建华管桩有限公司 | Precast pile resistance to plucking detection device |
-
2015
- 2015-12-25 CN CN201510990171.8A patent/CN105464151A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201310102Y (en) * | 2008-12-05 | 2009-09-16 | 中国建筑东北设计研究院有限公司 | Static load test conversion beam |
| CN103953078A (en) * | 2014-05-16 | 2014-07-30 | 安徽省建筑工程质量监督检测站 | Tubular pile pull-out test device with single dowel bar structure |
| CN204703205U (en) * | 2015-06-15 | 2015-10-14 | 上海同济建设工程质量检测站 | A kind of connector for connecting foundation pile and steel strand |
| CN205329736U (en) * | 2015-12-25 | 2016-06-22 | 苏州汤始建华管桩有限公司 | Precast pile resistance to plucking detection device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107130648A (en) * | 2017-06-15 | 2017-09-05 | 钟利芬 | One kind is used for prefabricated pile gravity detection means |
| CN107142976A (en) * | 2017-06-15 | 2017-09-08 | 钟利芬 | One kind is used for prefabricated pile compressive resistance detection device |
| CN107142976B (en) * | 2017-06-15 | 2019-07-09 | 海南正达建设工程质量检测有限公司 | A kind of equipment for the detection of prefabricated pile compressive resistance |
| CN107130648B (en) * | 2017-06-15 | 2019-08-30 | 河南建工质量检测有限公司 | A kind of equipment for the detection of prefabricated pile gravity |
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Application publication date: 20160406 |