CN107034930B - A kind of Portable Standards beam and its erection method - Google Patents
A kind of Portable Standards beam and its erection method Download PDFInfo
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- CN107034930B CN107034930B CN201710294116.4A CN201710294116A CN107034930B CN 107034930 B CN107034930 B CN 107034930B CN 201710294116 A CN201710294116 A CN 201710294116A CN 107034930 B CN107034930 B CN 107034930B
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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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Abstract
The invention discloses a kind of Portable Standards beam, including beam ontology and the first buttress and the second buttress, it is arranged on beam ontology several moveable for installing " recessed " type mounting base of test equipment；The beam ontology includes fixed outer bar, telescopic rod, connecting rod, and the front end of the fixed outer bar is fixedly connected by the right-angle connector with the first buttress；The telescopic rod is plugged in the fixed outer bar, and the other end is equipped with external screw thread；One end of the connecting rod is equipped with the internal screw thread matched with the external screw thread, and the other end of the connecting rod is erected on the Y-shaped bracket；The minimum length value of the beam ontology is 4m, and the extension elongation value of the telescopic rod is not more than 5.5m.Level meter, mounting base is arranged in the present invention through setting adjustable in length datum line beam and on datum line beam, while ensuring that datum line beam stability improves pile test data accuracy, datum line beam is made to be suitable for the pile test of various specifications, use scope is wide.
Description
Technical field
The invention belongs to architectural engineering pile foundation detection field, in particular to a kind of Portable Standards beam and its erection side
Method.
Background technique
Nowadays, it is also a kind of most commonly seen bearing capacity that static test, which is the most accurate, reliable in current foundation detection,
The method of inspection judges whether certain dynamic load method of inspection is mature, using the comparison error size of Static Load Test Results as foundation.
The detection of bearing capacity generally using settling amount as judgment criteria, to carry out settling discharge observation will have one it is opposing stationary
Point, as bench mark in the measurements, datum line beam just plays the role of this sedimentation benchmark in static test, tries in entire static load
Datum line beam should not be influenced by temperature, vibration and other extraneous factors during testing, it is therefore necessary to base during ensuring to test
The stability of quasi- beam.When actual installation, one end of datum line beam is fixed and its other end free support, though the installation of datum line beam is whole
It is a link the simplest in a static test installation process, but its installation accuracy is directly related to entire static test
Success or failure.
But in the prior art, the benchmark beam erection method in dead load test on pile foundation is more random, is largely derived from scene
The installation of raw material, such as sand drift, building block, reinforcing bar shelf, no unified standard, datum line beam is primarily present asking for the following aspects
Topic: 1, that there are rigidity is inadequate for existing datum line beam, generates biggish deflection deformation；2, for setting up the temporary stent of datum line beam
Stability is difficult to ensure the erection stability of datum line beam, is easy to produce rolling, displacement, sedimentation or generation artificial destruction etc.；3,
In use, the benchmark boom support bracket as caused by environment or human error factor and the problem of the out of plumb of ground often；4, base
The length of quasi- beam is fixed, and is not adjustable, and when in use, a kind of range that the datum line beam of length specification is applicable is small, to meet specification
It is required that needing to replace the datum line beam of corresponding length repeatedly for different pile foundations, it is extremely inconvenient to use.Due to existing benchmark
The problems such as that there are above-mentioned rigidity is inadequate for beam, stability is poor, length violation closes specification, and it is unable to satisfy detection test specification requirement,
So that the data of dead load test on pile foundation acquisition are affected and generate measurement error.
Summary of the invention
The purpose of the present invention is in view of the above-mentioned problems existing in the prior art, provide a kind of simple structure and reasonable design and
The Portable Standards beam of installation and disassembly simplicity, the datum line beam have good stability, and can effectively ensure that the installation accuracy of datum line beam,
And ensure the accuracy and precision of static test data result.
To achieve the above object, the technical solution adopted by the present invention is that: a kind of Portable Standards beam, including beam ontology and
It is used to support the buttress of the beam ontology, the buttress is divided into the first buttress and the second buttress, and the beam ontology and buttress are equal
It is made of stainless steel material；The outer wall of the buttress is respectively equipped with level meter, and lower part is set as sharp cone distal structure；Described first
Branch socle is equipped with the right-angle connector that can slide up and down, and second socle is equipped with Y-shaped bracket；The Liang Bentibao
Include fixed outer bar, telescopic rod, connecting rod；The front end of the fixed outer bar connects by the way that the right-angle connector and the first buttress are fixed
It connects, middle part is equipped with hollow circuit cylinder bodily form slideway, and tail end is provided inwardly with the first bulge loop；The telescopic rod is plugged in outside the fixation
In bar, one end that the telescopic rod is located in fixed outer bar is equipped with the second bulge loop, and the other end is equipped with external screw thread, second bulge loop
Outer surface and ramp surface are equipped with fine thread；It is equipped between first bulge loop, the second bulge loop for adjusting described stretch
The bayonet fastenings device of contracting pole length；One end of the connecting rod is equipped with the internal screw thread matched with the external screw thread, the company
The other end of extension bar is erected on the Y-shaped bracket；The minimum length value of the beam ontology is 4m, the stretching of the telescopic rod
Length value is not more than 5.5m.
The length of foundation pile beam of the present invention is determined by the position of the width and buttress that are tested pile foundation, meets " building lot base
Plinth inspection criterion " regulation, by telescopic rod extend or shorten foundation pile beam length, to guarantee that foundation pile beam can be tested enough
Long or pile foundation short enough keeps datum line beam suitable while ensuring that datum line beam stability improves pile test data accuracy
For the pile test of various specifications, use scope is wide；Level meter is set in the outer wall of buttress, can not only determine the buttress
It is perpendicular to the ground, and can observe at any time and grasp buttress displacement and deviation situation, determine the precision of test；In telescopic rod and cunning
Fine thread is set in road, and when telescopic rod is pressurized, the fine thread of the second bulge loop outer surface is engaged with the fine thread of slideway inner wall, is increased
Big frictional force, telescopic rod stabilization in fixed outer bar is not slided, even if telescopic rod is drawn to maximum length, also without departing from horizontal position
It sets, ensures that the stability of datum line beam；First buttress, the second buttress lower part be set as sharp cone distal structure, install more square
Just.
Cooperate jointly between each component of the invention, while improving datum line beam stability, improves pile test number
According to accuracy and precision, and it is detachable between each component, it is easy to carry.
Symmetrical inclined support rod is arranged on first buttress, the second buttress respectively, the support rod passes through hinge
It is correspondingly connected with respectively with the fixed outer bar and connecting rod.
Further, several moveable " recessed " type installations for installing test equipment are arranged on the beam ontology
Seat.
Further, the beam ontology, be equipped with several for placing test equipment conducting wire on the first buttress side wall
" C " type buckle.
Further, the beam body outer surface is equipped with graduation mark.
First buttress, the second buttress outer surface are equipped with graduation mark.
Further, second buttress is height-adjustable.
Further, the particle of the installation base inner surface setting protrusion.
Support rod is set in first when including the following steps: a. test by a kind of erection method of Portable Standards beam
On pier, the angle of the first buttress and ground is adjusted according to level meter, and the first buttress stabilization is vertically installed at by tested pile foundation
Ground on；B. the scale on the first buttress is cooperated according to the height for being tested pile foundation, adjusts the position of right-angle connector, determines beam
The fixation outer bar of beam ontology is passed through right-angle connector and fixation by the level height of ontology, and support rod and fixed outer bar are hinged, Gu
Determine the telescopic rod in outer bar screwed with connecting rod by screw thread it is affixed；C. according to the quarter on the width fits beam ontology for being tested pile foundation
Degree stretches telescopic rod and fixes the length of telescopic rod with bayonet fastenings device, determines the position of the second buttress and is hung down with level meter
Straight installation, connecting rod is erected on the Y-shaped bracket of the second buttress, support rod is hinged with connecting rod；D. mounting base is adjusted
Position and direction, displacement meter is placed in mounting base, and be tightened screw rod fixed displacement meter, and by the conducting wire on displacement meter
It is fitly arranged on beam ontology and buttress by " C " type buckle.
Compared with prior art, the beneficial effects of the present invention are: (1) beam ontology of the present invention and buttress are all made of stainless steel
Material is made, and improves the rigidity of datum line beam；(2) level meter is arranged by the outer wall in buttress, can not only determines the branch
Pier is perpendicular to the ground, and can observe at any time and grasp buttress displacement and deviation situation, it is ensured that the precision of test；(3) of the invention
Extend or shorten the length of foundation pile beam by telescopic rod, and fine thread is set in telescopic rod and slideway, it is ensured that datum line beam
Stability, makes datum line beam be suitable for the test of various specifications pile foundation, and use scope is wide；(4) " recessed " type is arranged on datum line beam to pacify
Seat is filled, test equipment is used to support and fixes, effectively prevent tradition makes test equipment easily by outer using adhesive plaster stickup fixation
The influence of boundary's environment and caused by test error；(5) the configuration of the present invention is simple, design are rationally and installation and disassembly are easy, each portion
It cooperates between part, can effectively ensure that the installation accuracy of datum line beam, while improving datum line beam stability, it is ensured that quiet
Carry the accuracy and precision of test data result.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of Portable Standards beam of the present invention；
Fig. 2 is the schematic cross-section of telescopic rod of the present invention；
Fig. 3 is the structural schematic diagram of right-angle connector；
Fig. 4 is schematic cross-section when telescopic rod is fixed with bayonet fastenings device；
Fig. 5 is the structural schematic diagram of " recessed " type mounting base；
In figure: 1, Liang Benti；2, the first buttress；3, the second buttress；4, level meter；5, right-angle connector；6, Y-shaped branch
Frame；7, fixed outer bar；8, telescopic rod；9, connecting rod；10, slideway；11, the first bulge loop；12, the second bulge loop；13, bayonet fastenings fill
It sets；14, support rod；15, " recessed " type mounting base；16, standing screw.
Specific embodiment
Below in conjunction with the attached drawing in the present invention, technical solution of the present invention is clearly and completely described, it is clear that
Described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the implementation in the present invention
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The scope of protection of the invention.
As shown in Figs. 1-5, a kind of Portable Standards beam including beam ontology 1 and is used to support the branch of the beam ontology 1
Pier, the buttress are divided into the first buttress 2 and the second buttress 3, and the beam ontology 1 and buttress are all made of stainless steel material and are made,
Improve the rigidity and stability of datum line beam；The outer wall of the buttress is respectively equipped with level meter 4, not only can be when installing buttress
It determines that the buttress is perpendicular to the ground, and can observe at any time and grasp buttress displacement and deviation situation, determine the precision of test；
The lower part of the buttress is set as sharp cone distal structure, and installation is more convenient；First buttress, 2 top, which is equipped with, can slide up and down directly
Angle connector 5,3 top of the second buttress are equipped with Y-shaped bracket 6；The beam ontology 1 includes fixed outer bar 7, telescopic rod 8, connects
Extension bar 9, the present invention extends or shortens the length of foundation pile beam by telescopic rod 8, and thin spiral shell is arranged in telescopic rod 8 and slideway 10
Line, it is ensured that the stability of datum line beam makes datum line beam be suitable for the test of various specifications pile foundation, and use scope is wide；The fixation
The front end of outer bar 7 is fixedly connected by the right-angle connector 5 with the first buttress 2, and middle part is equipped with hollow circuit cylinder bodily form slideway
10, tail end is provided inwardly with the first bulge loop 11；The telescopic rod 8 is plugged in the fixed outer bar 7, and the telescopic rod 8 is located at solid
Determine one end in outer bar 7 and be equipped with the second bulge loop 12, the other end is equipped with external screw thread, 12 outer surface of the second bulge loop and slideway 10
Surface is equipped with fine thread, when telescopic rod 8 is pressurized, the fine thread of 12 outer surface of the second bulge loop and the fine thread of 10 inner wall of slideway
Occlusion, increasing friction force, the stabilization in fixed outer bar 7 of telescopic rod 8 are not slided, even if telescopic rod 8, which is drawn, arrives maximum length, also not partially
From horizontal position, the stability of datum line beam is ensured that；It is equipped between first bulge loop 11, the second bulge loop 12 for adjusting
The bayonet fastenings device 13 for saving 8 length of telescopic rod, when telescopic rod 8 adjusts the length to needed for testing, adjustable bayonet fastenings
The position of the fixed telescopic rod 8 of device 13；One end of the connecting rod 9 is equipped with the internal screw thread matched with the external screw thread, described
The other end of connecting rod 9 is erected on the Y-shaped bracket 6；Since telescopic rod 8 can be due to factors such as external environment or compressions
It influences, for the stability and applicability for being further ensured that datum line beam, the minimum length value that the beam ontology 1 is arranged is 4m, described
The extension elongation value of telescopic rod 8 is not more than 5.5m, and the length of the connecting rod 9 can be adjusted according to the specific length in construction site.
The length of foundation pile beam of the present invention is determined by the position of the width and buttress that are tested pile foundation, meets " building lot base
Plinth inspection criterion " regulation, cooperate between each component of the invention, while improving datum line beam stability, improve
The accuracy and precision of pile test data, and assembled detachable between each component, it is easy to carry and at the scene can be quick
Assembling, work efficiency is high.
Symmetrical inclined support rod 14 is arranged on first buttress 2, the second buttress 3 respectively, the support rod 14 is logical
Hinge is crossed to be correspondingly connected with the fixed outer bar 7 and connecting rod 9 respectively.Since the length of beam ontology 1 is longer, Liang Benti 1 is deposited
The flexure of beam ontology 1 is reduced, static test data are further increased by adding symmetrical support rod 14 in certain flexure
As a result accuracy and precision.
Several moveable " recessed " type mounting bases 15 for being used to install test equipment are arranged on the beam ontology 1, it is described
Standing screw 16 is provided in mounting base 15；" recessed " type mounting base 15 is set on datum line beam, is used to support and fixes tester
Device, effectively prevent tradition using adhesive plaster paste it is fixed make test equipment easily by external environment influenced and caused by test and miss
Difference；
Further, the beam ontology 1, be equipped with several for placing test equipment conducting wire on 2 side wall of the first buttress
" C " type buckle.When traditional pile test, conducting wire on test equipment is often unordered to be put on the ground, and worker can be accidentally
Stumble causes detection to stop that safety problem even occurs to conducting wire, and test equipment conducting wire is placed in " C " type buckle by the present invention, real
The neat arrangement of existing conducting wire is avoided testing caused by human factor and be interrupted.
Further, 1 outer surface of beam ontology is equipped with graduation mark, convenient for determining the length of the stretching of telescopic rod 8 or contraction,
Installation speed is improved, in addition, can also determine the width data of pile foundation directly from the graduation mark on beam ontology 1.
First buttress 2,3 outer surface of the second buttress are equipped with graduation mark, conveniently during installation, determine datum line beam and ground
The distance in face is further ensured that datum line beam level.
Further, second buttress 3 is height-adjustable, and datum line beam is made to be suitable for the pile test of various height.
Further, the particle of 15 inner surface of the mounting base setting protrusion, increases test equipment and 15 inner wall of mounting base
Contact area, increase frictional force, avoid test equipment from sliding.
Support rod 14 when including the following steps: a. test, is set in the by the erection method of Portable Standards beam of the present invention
On one buttress 2, according to the angle of level meter 4 adjustment the first buttress 2 and ground, the first buttress 2 is stablized be vertically installed at by
On ground by pile base；B. the scale on the first buttress 2 is cooperated according to the height for being tested pile foundation, adjustment right-angle connector 5
Position determines the level height of beam ontology 1, and the fixation outer bar 7 of beam ontology 1 is passed through right-angle connector 5 and fixed, support rod 14
Hinged with fixed outer bar 7, the telescopic rod 8 in fixed outer bar 7 is screwed with connecting rod 9 by screw thread affixed；C. according to tested pile foundation
Width fits beam ontology 1 on scale, stretch telescopic rod 8 and with the length of the fixed telescopic rod 8 of bayonet fastenings device 13, determination
The position of second buttress 3 and with 4 right angle setting of level meter, connecting rod 9 is erected on the Y-shaped bracket 6 of the second buttress 3, is propped up
Strut 14 and connecting rod 9 are hinged；D. position and the direction for adjusting mounting base 15, displacement meter is placed in mounting base 15, is revolved
Fasten 16 fixed displacement meter of screw rod, and by the conducting wire on displacement meter by " C " type buckle be fitly arranged in beam ontology 1 and
On buttress.
Embodiment one
A kind of Portable Standards beam including beam ontology 1 and is used to support the buttress of the beam ontology 1, the buttress point
For the first buttress 2 and the second buttress 3, the beam ontology 1 and buttress are all made of stainless steel material and are made；The outer wall of the buttress
It is respectively equipped with level meter 4, lower part is set as sharp cone distal structure；First buttress, 2 top is equipped with the right angle company that can slide up and down
Fitting 5,3 top of the second buttress are equipped with Y-shaped bracket 6；The beam ontology 1 includes fixed outer bar 7, telescopic rod 8, connecting rod
9；The front end of the fixed outer bar 7 is fixedly connected by the right-angle connector 5 with the first buttress 2, and middle part is equipped with hollow circle
Cylinder shape slideway 10, tail end are provided inwardly with the first bulge loop 11；The telescopic rod 8 is plugged in the fixed outer bar 7, described flexible
One end that bar 8 is located in fixed outer bar 7 is equipped with the second bulge loop 12, and the other end is equipped with external screw thread, 12 outer surface of the second bulge loop
And 10 surface of slideway is equipped with fine thread；It is equipped between first bulge loop 11, the second bulge loop 12 for adjusting described stretch
The bayonet fastenings device 13 of 8 length of contracting bar；One end of the connecting rod 9 is equipped with the internal screw thread matched with the external screw thread, institute
The other end for stating connecting rod 9 is erected on the Y-shaped bracket 6；The length value of the beam ontology 1 is 4m, fixes outer bar 7 and connects
The length of extension bar 9 is less than 4m, and the maximum extension elongation value of telescopic rod 8 is again smaller than 5.5m.
Portable Standards beam of the present invention is suitable for the test for static load of relatively narrow pile foundation.
Embodiment two
The difference of Portable Standards beam of the present invention and one Portable Standards beam of embodiment is only that: the telescopic rod 8 is most
Big extension elongation value is 5.5m.Since the length of beam ontology 1 at this time is longer, for the flexure for preventing beam ontology 1, the fixation is set
The length of outer bar 7 is 3-5m, and the length of slideway 10 is 2.5m, and the length of connecting rod 9 is adjusted according to the width of the tested pile foundation in scene
Whole, the length value of the beam ontology 1 is determined by fixing outer bar 7,8 extension elongation of telescopic rod and connecting rod 9, is greater than 4m.
Portable Standards beam of the present invention is suitable for the test for static load of various specifications pile foundation.
Embodiment three
The difference of Portable Standards beam of the present invention and above-described embodiment Portable Standards beam is only that: on the beam ontology 1
Several moveable " recessed " type mounting bases 15 for being used to install test equipment are arranged with, are provided with fixed spiral shell in the mounting base 15
Bar 16 is equipped with several on the beam ontology 1,2 side wall of the first buttress and buckles for placing " C " type of test equipment conducting wire.
Example IV
The difference of Portable Standards beam of the present invention and above-described embodiment Portable Standards beam is only that: outside the beam ontology 1
Surface be equipped with graduation mark, convenient for determine telescopic rod 8 stretch or shrink length, improve installation speed, in addition, can also directly from
The width data of pile foundation is determined on graduation mark on beam ontology 1.First buttress 2,3 outer surface of the second buttress are equipped with scale
Line, it is convenient to determine datum line beam at a distance from ground during installation, it is further ensured that datum line beam level.
Embodiment five
The difference of Portable Standards beam of the present invention and above-described embodiment Portable Standards beam is only that: second buttress 3
It is height-adjustable, nitrogen gas spring telescopic rod 8 is set in the middle part of second buttress 3, datum line beam is made to be suitable for the pile foundation of various height
Test.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of Portable Standards beam, including beam ontology (1) and it is used to support the buttress of the beam ontology (1), the buttress
It is divided into the first buttress (2) and the second buttress (3), which is characterized in that the beam ontology (1) and buttress are all made of stainless steel material
It is made；The outer wall of the buttress is respectively equipped with level meter (4), and lower part is set as sharp cone distal structure；First buttress (2) top
Equipped with the right-angle connector that can slide up and down (5), the second buttress (3) top is equipped with Y-shaped bracket (6)；The beam ontology
It (1) include fixed outer bar (7), telescopic rod (8), connecting rod (9), the front end of the fixed outer bar (7) is connected by the right angle
Part (5) is fixedly connected with the first buttress (2), and middle part is equipped with hollow circuit cylinder bodily form slideway (10), and it is convex that tail end is provided inwardly with first
Ring (11)；The telescopic rod (8) is plugged in the fixed outer bar (7), and the telescopic rod (8) is located in fixed outer bar (7)
One end is equipped with the second bulge loop (12), and the other end is equipped with external screw thread, the second bulge loop (12) outer surface and slideway (10) surface
It is equipped with fine thread；It is equipped between first bulge loop (11), the second bulge loop (12) for adjusting the telescopic rod (8) length
Bayonet fastenings device (13)；One end of the connecting rod (9) is equipped with the internal screw thread matched with the external screw thread, the connection
The other end of bar (9) is erected on the Y-shaped bracket (6)；The minimum length value of the beam ontology (1) is 4m, described flexible
The extension elongation value of bar (8) is not more than 5.5m；A symmetrical inclination is arranged on first buttress (2), the second buttress (3) respectively
Support rod (14), the support rod (14) by hinge respectively it is corresponding with the fixed outer bar (7) and connecting rod (9) company
It connects；It is arranged on the beam ontology (1) several moveable for installing " recessed " the type mounting base (15) of test equipment, the peace
Standing screw (16) are provided on dress seat (15)；Several are equipped on the beam ontology (1), the first buttress (2) side wall to be used for
Place " C " the type buckle of test equipment conducting wire；
Support rod (14) is set in first when including the following steps: a. test by the erection method of the Portable Standards beam
On pier (2), the angle of the first buttress (2) and ground is adjusted according to level meter (4), and the first buttress (2) stabilization is vertically mounted
On the ground by tested pile foundation；B. according to the graduation mark in the height cooperation the first buttress (2) for being tested pile foundation, adjustment right angle connects
The position of fitting (5), determines the level height of beam ontology (1), and the fixation outer bar (7) of Liang Benti (1) is passed through right-angle connector
(5) and fixed, hingedly, the telescopic rod (8) on fixed outer bar (7) passes through with connecting rod (9) for support rod (14) and fixed outer bar (7)
Screw thread screws affixed；C. according to the graduation mark on the width fits beam ontology (1) for being tested pile foundation, telescopic rod (8) are stretched and with card
The length for selling clamp device (13) fixed telescopic rod (8), determines the position of the second buttress (3) and with level meter (4) right angle setting,
Connecting rod (9) is erected on the Y-shaped bracket (6) of the second buttress (3), support rod (14) and connecting rod (9) are hinged；D. it adjusts
Displacement meter is placed on mounting base (15) by the position of mounting base (15) and direction, the screw rod that is tightened (16) fixed displacement
Meter, and the conducting wire on displacement meter is fitly arranged on beam ontology (1) and buttress by " C " type buckle.
2. a kind of Portable Standards beam according to claim 1, which is characterized in that beam ontology (1) outer surface is equipped with
Graduation mark.
3. a kind of Portable Standards beam according to claim 1 or 2, which is characterized in that first buttress (2), second
Buttress (3) outer surface is equipped with graduation mark.
4. a kind of Portable Standards beam according to claim 1 or 2, which is characterized in that second buttress (3) highly may be used
It adjusts.
5. a kind of Portable Standards beam according to claim 1 or 2, which is characterized in that mounting base (15) inner surface
The particle of protrusion is set.
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| CN201710294116.4A CN107034930B (en) | 2017-04-28 | 2017-04-28 | A kind of Portable Standards beam and its erection method |
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| CN108331037A (en) * | 2017-12-14 | 2018-07-27 | 中国能源建设集团安徽省电力设计院有限公司 | Telescopic static test benchmark girder construction |
| CN108592858A (en) * | 2018-06-25 | 2018-09-28 | 中国电建集团中南勘测设计研究院有限公司 | A kind of observation pier that can be stealthy |
| CN112285135A (en) * | 2020-11-06 | 2021-01-29 | 武汉一冶钢结构有限责任公司 | Portable anti-skid support rod for X-ray detection and use method |
| CN113432564B (en) * | 2021-07-13 | 2023-07-18 | 浙江欧感机械制造有限公司 | Detection system without reference beam |
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| CZ302722B6 (en) * | 2010-03-23 | 2011-09-21 | Ceské vysoké ucení technické v Praze, Fakulta stavební, Experimentální centrum | Device to determine working diagram of ground anchors in tension |
| CN204898746U (en) * | 2015-08-04 | 2015-12-23 | 安徽省建筑工程质量监督检测站 | Pile foundation static test erects benchmark support for roof beam |
| CN206015745U (en) * | 2016-09-13 | 2017-03-15 | 广东正欣工程技术检测有限公司 | Anti-temperature difference hydraulically extensible datum line beam |
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2017
- 2017-04-28 CN CN201710294116.4A patent/CN107034930B/en active Active
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