CN108331037A - Telescopic static test benchmark girder construction - Google Patents
Telescopic static test benchmark girder construction Download PDFInfo
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- CN108331037A CN108331037A CN201711335715.2A CN201711335715A CN108331037A CN 108331037 A CN108331037 A CN 108331037A CN 201711335715 A CN201711335715 A CN 201711335715A CN 108331037 A CN108331037 A CN 108331037A
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- benchmark
- pile foundation
- sliding slot
- millet
- fine strain
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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
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- 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)
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Abstract
The present invention relates to static test fields, more particularly to telescopic static test benchmark girder construction, including spaced apart first benchmark pile foundation and the second benchmark pile foundation, first, it is connected with crossbeam unit between second benchmark pile foundation, the crossbeam unit includes sliding slot and mobile fine strain of millet, mobile fine strain of millet is placed in the vallecular cavity of sliding slot and the two composition is slidably matched, one end that sliding slot and mobile fine strain of millet are located remotely from each other is separately fixed in corresponding second benchmark pile foundation or the first benchmark pile foundation, mobile fine strain of millet is plugged in sliding slot, sliding slot is fixed in the second benchmark pile foundation, mobile fine strain of millet is fixed in the first benchmark pile foundation, sliding slot and mobile fine strain of millet are combined into length-adjustable datum line beam, it is adapted to different spans, transport and installation are all very convenient, it is applied widely, reduce cost.
Description
Technical field
The present invention relates to static test fields, and in particular to telescopic static test benchmark girder construction.
Background technology
Static test refers to applying vertical pressure, vertical uplift force or horizontal thrust, observation stake top portion step by step in stake top portion
Sedimentation, uplift displacement or the horizontal displacement generated at any time, it is anti-with the corresponding single pile vertical resistance pressure bearing capacity of determination, single-pile vertical orientation
Pull out the test method of bearing capacity or horizontal bearing capacity of single pile.Static test is to determine that pile foundation, composite foundation, subsoil etc. are each
Type foundation bearing capacity is most direct and one of most reliable method.In static test, baseline system (including datum line beam,
Reference stake and associated joint members etc.) be control settlement measurement accuracy key link.
Currently, the common datum line beam system of engineering is mainly the datum line beam of regular length, the static test pair that difference requires
The span of datum line beam requires difference, the datum line beam of traditional regular length to carry out benchmark according to the requirement of each static test project
Beam customizes, and all kinds of experiments are got off, and the datum line beam of all kinds of length and type is needed to configure.When benchmark beam span is larger, datum line beam
Length is larger, and transport and installation are all very inconvenient.It is inconvenient when traditional benchmark beam length and type are mostly big with span how to solve
Transport installation the problems such as, find it is a kind of it is convenient and efficient adjustment benchmark beam length method become have important practice significance.
Invention content
The object of the present invention is to provide a kind of length is adjustable, telescopic static test benchmark girder construction simple in structure.
To achieve the above object, present invention employs following technical schemes:A kind of telescopic static test datum line beam knot
Structure, including spaced apart first benchmark pile foundation and the second benchmark pile foundation are connected with crossbeam list between the first, second benchmark pile foundation
Member, the crossbeam unit include sliding slot and mobile fine strain of millet, and mobile fine strain of millet is placed in the vallecular cavity of sliding slot and the two composition is slidably matched, sliding
One end that slot and mobile fine strain of millet are located remotely from each other is separately fixed in corresponding second benchmark pile foundation or the first benchmark pile foundation
Due to using the technology described above, mobile fine strain of millet is plugged in sliding slot, and sliding slot is fixed in the second benchmark pile foundation, mobile
Fine strain of millet is fixed in the first benchmark pile foundation, and sliding slot and mobile fine strain of millet are combined into length-adjustable datum line beam, are adapted to different spans, transport
It is all very convenient with installing, it is applied widely, reduce cost.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the sectional view of figure A-A;
Fig. 4 is the sectional view of mobile fine strain of millet;
Fig. 5 is the sectional view of the first benchmark pile foundation;
Fig. 6 is the sectional view of sliding slot;
Fig. 7 is the sectional view of the second benchmark pile foundation;
Specific implementation mode
A kind of telescopic static test benchmark girder construction, including spaced apart first benchmark pile foundation 10a and the second base
Quasi- pile foundation 10b, crossbeam unit 20 is connected between the first, second benchmark pile foundation 10a, 10b, and the crossbeam unit 20 includes sliding
Slot 21 and mobile fine strain of millet 22, mobile fine strain of millet 22 is placed in the vallecular cavity of sliding slot 21 and the two composition is slidably matched, sliding slot 21 and mobile fine strain of millet 22
The one end being located remotely from each other is separately fixed on corresponding first benchmark pile foundation 10a or the second benchmark pile foundation 10b.Mobile fine strain of millet 22 is planted
In sliding slot 21, the two opposite can be slidably matched, and overall length is adjustable.Sliding slot 21 is fixed on the second benchmark pile foundation 10b, mobile
Fine strain of millet 21 is fixed on the first benchmark pile foundation 10a, and sliding slot 21 and mobile fine strain of millet 22 are combined into length-adjustable datum line beam, are adapted to difference
Span, transport and installation are all very convenient, applied widely, reduce cost
As shown in Fig. 3,4 and 5, the cross section of the mobile fine strain of millet 22 is in T fonts, and sliding slot 21 is flat mouth slot, mobile fine strain of millet 22
Horizontal segment 221 be placed in the vallecular cavity of sliding slot 21, the vertical section 222 of mobile fine strain of millet 22 is fixed on the first benchmark pile foundation 10a.It is sliding
Channel steel may be used in slot 21, and mobile fine strain of millet 22 uses T-steel.
The end point that the mobile fine strain of millet 22 overhangs outside sliding slot 21 is provided with connection end plate 223, first base
The rectangular recess 11 for accommodating vertical section 222 is offered on quasi- pile foundation 10a, rectangular recess 11 is plugged in rectangular recess 11,
Connection end plate 223 sticks on the endface of the first benchmark pile foundation 10a and is fixed by bolts between the two.Connect end plate 223
For steel plate, it is welded on the end point of mobile fine strain of millet 22.
It is recessed that rectangle is opened up in the size (T-type trammel lattice) of the first benchmark pile foundation 10a waists centre position foundation movement fine strain of millet 22
Slot 11.When sliding slot 21, mobile fine strain of millet 22 connect with quasi- pile foundation, elder generation respectively inserts in place at slot, then is passed through with bolt and nut
Screw hole is fixed.
It is provided with the interconnecting piece 211 for connecting the second benchmark pile foundation 10b on the lower face of the sliding slot 21, connects
Welded nut is provided in portion 211, there are two the interconnecting piece 211 settings and the interval setting that is mutually parallel;Described second
The cavity 12 for accommodating sliding slot 21 is provided on benchmark pile foundation 10b, the end point of sliding slot 21 is placed in cavity 12, interconnecting piece
211 stick on the inner wall of cavity 12, are fixed by bolts between interconnecting piece 211 and cavity 12.
A kind of statement is changed, (slots highly to be more than and slide according to the specification fluting of sliding slot 21 in the waist of the second benchmark pile foundation 10b
21 end height of slot, so that sliding slot 21 can carry out a certain range of rotation along bolt), cavity 12 is constituted, in the second reference stake
The legs base 10b subscribe position and open screw hole, and 21 end lower surface outer welded nut of sliding slot completes sliding slot 21 and second using bolt
The installation of benchmark pile foundation 10b.
Sliding of the mobile fine strain of millet 22 in sliding slot is stretched in the present invention, achievees the effect that convenient adjusting benchmark beam length,
The erection that different spans requirement datum line beam can efficiently be completed, economizes on resources, easy to use.Mobile fine strain of millet 22, sliding slot 21 and benchmark
Slot is used between pile foundation and is bolted, and the requirement of one end freely-supported is fixed in the one end for meeting code requirement, not only easy for installation
Fast, it and is connected firmly.The length of mobile fine strain of millet 22 and sliding slot 21 can be determined according to the span section that static test needs
System coordinates the reference stake specification of mobile fine strain of millet 22 and sliding slot 21 that can also accordingly adjust, applied widely.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and what is described in the above embodiment and the description is only the present invention
Principle, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these variation and
Improvement is both fallen in the range of claimed invention.The present invention claims protection domain by appended claims and its
Equivalent defines.
Claims (5)
1. a kind of telescopic static test benchmark girder construction, it is characterised in that:Including spaced apart first benchmark pile foundation
(10a) and the second benchmark pile foundation (10b) is connected with crossbeam unit (20), institute between the first, second benchmark pile foundation (10a, 10b)
The crossbeam unit (20) stated includes sliding slot (21) and mobile fine strain of millet (22), and mobile fine strain of millet (22) is placed in the vallecular cavity of sliding slot (21) and the two
Composition is slidably matched, and one end that sliding slot (21) and mobile fine strain of millet (22) are located remotely from each other is separately fixed at corresponding second benchmark pile foundation
In (10b) or the first benchmark pile foundation (10a).
2. telescopic static test benchmark girder construction according to claim 1, it is characterised in that:The mobile fine strain of millet
(22) cross section is in T fonts, and sliding slot (21) is flat mouth slot, and the horizontal segment (221) of mobile fine strain of millet (22) is placed in the slot of sliding slot (21)
The vertical section (222) of intracavitary, mobile fine strain of millet (22) is fixed in the first benchmark pile foundation (10a).
3. telescopic static test benchmark girder construction according to claim 2, it is characterised in that:The mobile fine strain of millet
(22) it overhangs and the external end point of sliding slot (21) is provided with connection end plate (223), opened in the first benchmark pile foundation (10a)
Equipped with the rectangular recess (11) for accommodating vertical section (222), rectangular recess (11) is plugged in rectangular recess (11), connecting pin
Plate (223) sticks on the endface of the first benchmark pile foundation (10a) and is fixed by bolts between the two.
4. telescopic static test benchmark girder construction according to claim 2 or 3, it is characterised in that:The sliding slot
(21) interconnecting piece (211) for connecting the second benchmark pile foundation (10b) is provided on lower face, interconnecting piece is arranged on (211)
There is welded nut, there are two the interconnecting piece (211) settings and the interval setting that is mutually parallel.
5. telescopic static test benchmark girder construction according to claim 4, it is characterised in that:Second benchmark
The cavity (12) for accommodating sliding slot (21) is provided in pile foundation (10b), the end point of sliding slot (21) is placed in cavity (12), even
Socket part (211) sticks on the inner wall of cavity (12), is fixed by bolts between interconnecting piece (211) and cavity (12).
Priority Applications (1)
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CN201711335715.2A CN108331037A (en) | 2017-12-14 | 2017-12-14 | Telescopic static test benchmark girder construction |
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CN201711335715.2A CN108331037A (en) | 2017-12-14 | 2017-12-14 | Telescopic static test benchmark girder construction |
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CN108331037A true CN108331037A (en) | 2018-07-27 |
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Citations (14)
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SU897962A1 (en) * | 1980-03-06 | 1982-01-15 | Казахский Проектно-Технологический Институт Фундаментостроения | Unit for static testing of piles |
JP2012255305A (en) * | 2011-06-09 | 2012-12-27 | Takenaka Komuten Co Ltd | Foundation load testing method |
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CN106759897A (en) * | 2017-01-25 | 2017-05-31 | 哈尔滨工业大学 | Integral type intermediate plate aluminum joints |
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