CN110056018A - A kind of combined type bearing plate and application method for Loading Test of Composite Foundation - Google Patents
A kind of combined type bearing plate and application method for Loading Test of Composite Foundation Download PDFInfo
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- CN110056018A CN110056018A CN201910419248.4A CN201910419248A CN110056018A CN 110056018 A CN110056018 A CN 110056018A CN 201910419248 A CN201910419248 A CN 201910419248A CN 110056018 A CN110056018 A CN 110056018A
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- bearing plate
- square metres
- combined type
- loading test
- pull rod
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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)
- Piles And Underground Anchors (AREA)
Abstract
The present invention relates to foundation detection field, in particular to a kind of combined type bearing plate for Loading Test of Composite Foundation, including muti-piece bearing plate splices folded network between muti-piece bearing plate, and the area of every piece of bearing plate is all different and increases step by step.When for various sizes of pile foundation, the bearing plate of correspondingly-sized is placed on to the top of pile foundation, remaining bearing plate folds network by area upwards in turn from big to small, it can arbitrarily be arranged according to the size of pile foundation during using bearing plate, bearing plate is reduced to the adaptability of different pile foundations, to reduce a large amount of transportation cost and production cost.
Description
Technical field
The present invention relates to foundation detection field, in particular to a kind of combined type bearing plate for Loading Test of Composite Foundation
And application method.
Background technique
Concrete pipe base is that concrete perfusion is formed in stake holes, is the basis built now, and ground is secured, carries energy
Power composite demand is the first step in the house of construction quality qualification, therefore the load test stabilization of ground detects extremely important, Neng Goujian
Can the real load of geodetic base composite demand.
As shown in Figure 1, ground load test stabilization can place two pieces of buttresses 3 parallel to each other in the two sides of pile foundation 2, buttress 3
Top construction of platform 4 is placed with preloading 5 above platform 4, will place jack 7, jack between platform 4 and pile foundation 2 again later
7 top is placed with girder 6, and bearing plate 1 is placed between jack 7 and pile foundation 2.It is gradually stretched out with jack 7, jack 7
Both ends abutted respectively with girder 6 and bearing plate 1, apply a force upon pile foundation 2 and platform 4 respectively using bearing plate 1 and girder 6
On, to carry out static test.For the different pile foundation 2 of diameter, the area of selected bearing plate 1 is not also identical, so
It can guarantee that the active force that jack 7 applies can be uniformly applied to 2 top of pile foundation by bearing plate 1, the area of bearing plate 1 is excessive
It is be easy to cause the deformation of bearing plate 1, the area of bearing plate 1 is too small, is easy to cause 2 bearing area of pile foundation smaller and impaired.
It is in place of above-mentioned the deficiencies in the prior art, existing bearing plate 1 is usually the steel plate of one piece of entirety, for difference
Pile foundation 2 then need the bearing plate 1 using different area, and the size of usual pile foundation 2 is all inconsistent at the construction field (site), many feelings
The bearing plate 1 that can not accomplish to understand 2 size of pile foundation in advance under condition and specially prepare corresponding size, therefore before detection all can will
A full set of bearing plate 1 all takes construction site to, is selected again according to concrete model, very wasting manpower and material resources.Therefore, such as
Fruit is able to ascend the adaptability of bearing plate 1, then can save many transportation cost and production cost for enterprise.
Summary of the invention
The object of the present invention is to provide a kind of combined type bearing plates for Loading Test of Composite Foundation, improve pressure-bearing
Plate is directed to the adaptability of different size pile foundation.
Invention mesh one of the invention has the technical scheme that
A kind of combined type bearing plate for Loading Test of Composite Foundation, including muti-piece bearing plate splice between muti-piece bearing plate
Folded network, the area of every piece of bearing plate are all different and increase step by step.
By using above-mentioned technical proposal, when for various sizes of pile foundation, the bearing plate of correspondingly-sized is placed on pile foundation
Top, remaining bearing plate folds network by area upwards in turn from big to small, can be according to pile foundation during using bearing plate
Size arbitrarily arrange, bearing plate is reduced to the adaptability of different pile foundations, to reduce a large amount of transportation cost and production
Cost.
The present invention is further arranged to: every piece of bearing plate is corner frustum, and the upper surface area of every piece of bearing plate is greater than
Or the lower surface area of the bearing plate equal to adjacent-specification.
It is most to hold after bearing plate folds network using the quadrangular pyramid mesa-shaped of bearing plate by using above-mentioned technical proposal
Pressing plate can fold network according to size order, and for the stress pressure-bearing of such bearing plate with regard to relatively uniform, bearing plate is not likely to produce deformation.
The present invention is further arranged to: pressure-bearing plate surface is square, bearing plate floor space be 1.0 square metres, it is 1.2 flat
Square rice, 1.4 square metres, select the continuous bearing plate of multiple specifications in the specifications of 1.6 square metres and 1.8 square metres.
By using above-mentioned technical proposal, the bearing plate of a variety of continuous specifications is selected, adapts to pile foundation convenient for promoting bearing plate
The continuity of size, convenience are higher.
The present invention is further arranged to: floor space be 1.0 square metres, 1.2 square metres, 1.4 square metres, 1.6 square metres and
The upper surface area of 1.8 square metres of bearing plate be respectively 1.1 square metres, 1.3 square metres, 1.5 square metres, 1.7 square metres and
1.9 square metre.
By using above-mentioned technical proposal, after every piece of bearing plate is oppositely positioned, the size number of pile foundation corresponding to bearing plate
Amount is more, more adaptable.
The present invention is further arranged to: offering fixation hole aligned with each other, fixation hole on all bearing plates vertically
Fixation kit is inside installed.
It, will convenient for entirety after muti-piece bearing plate is fixedly connected using fixation kit by using above-mentioned technical proposal
Muti-piece bearing plate moves to next pile foundation together and is detected, convenient and efficient.
The present invention is further arranged to: fixation kit includes pull rod and fixing bolt, and the upper end of pull rod has limiting section, limit
Position portion and pull rod integrally connected, the sectional area of limiting section are greater than the sectional area of pull rod, and pull rod is inserted into from top to bottom and is pierced by fixation
Hole, fixing bolt are threaded in the lower section of pull rod.
By using above-mentioned technical proposal, after pull rod passes through fixation hole, using fixing bolt and limiting section to bearing plate
Abutting, play the purpose of fixed muti-piece bearing plate.
The present invention is further arranged to: fixation hole includes four, and four fixation holes are located at the corner of bearing plate.
By using above-mentioned technical proposal, help to ensure that the position of pile foundation is made way in the position of fixation hole.
The present invention is further arranged to: the setting of the top of pull rod is there are two parallel sunpender, and the both ends of sunpender are respectively with two
A pull rod is fixedly connected, and the middle position of sunpender is fixedly installed hanging ring.
By using above-mentioned technical proposal, using sunpender and hanging ring, facilitates and bearing plate is subjected to integral hoisting, transporter
Just.
Invention mesh two of the invention has the technical scheme that
The application method of combined type bearing plate measures the diameter dimension of pile foundation first, and width is selected most to connect with Pile Diameter size
The bearing plate, is placed in the top of pile foundation by bearing plate that is close and being greater than Pile Diameter, then by remaining bearing plate according to area from big
To small successively alignment placement from the bottom up.
By using above-mentioned technical proposal, during use, each individually bearing plate can for one group of bearing plate
The pile foundation of corresponding corresponding size, such one group of bearing plate just can adapt to the pile foundation of plurality of specifications, the convenience of lifting construction and
Efficiency.
In conclusion the present invention has following technical effect that by the way that bearing plate is arranged to muti-piece, and by every piece of pressure-bearing
Plate, which is all provided with, is set to different area, and the area of every piece of bearing plate increases step by step, has achieved the effect that promote bearing plate adaptability.
Detailed description of the invention
Fig. 1 is the use background schematic diagram of the prior art;
Fig. 2 is the three dimensional structure diagram of embodiment one;
Fig. 3 is the structural schematic diagram of one of use state in embodiment one.
In figure, 1, bearing plate;11, fixation hole;12, fixation kit;121, pull rod;1211, limiting section;122, fixed spiral shell
Bolt;123, sunpender;124, hanging ring;2, pile foundation;3, buttress;4, platform;5, preloading;6, girder;7, jack.
Specific embodiment
Embodiment one:
As shown in Fig. 2, this embodiment describes a kind of combined type bearing plate for Loading Test of Composite Foundation, including muti-piece is held
Pressing plate 1, folded network is spliced between muti-piece bearing plate 1, and the area of every piece of bearing plate 1 is all different and increases step by step.For different rulers
When very little pile foundation, it can choose the bearing plate 1 to match with pile foundation sectional dimension, which be placed in the upper surface of pile foundation,
Other bearing plates 1 are successively folded into network again later, guarantee that bearing plate 1 and the contact area of pile foundation match, promote bearing plate 1 to not
With the adaptability of size pile foundation, to reduce a large amount of transportation cost and production cost.
As shown in Fig. 2, bearing plate 1 is during folded network, it is desirable to descending from the bottom up successively according to area
Folded network, the stress of every piece in this way bearing plate 1 is with regard to more relatively uniform.Every piece of bearing plate 1 can also be all provided with and be set to corner frustum,
The upper surface area of every piece of bearing plate 1 is more than or equal to the lower surface area of the bearing plate 1 of adjacent-specification.In this way, using holding
The quadrangular pyramid mesa-shaped of pressing plate 1, after bearing plate 1 folds network, most bearing plate 1 can fold network according to size order, hold in this way
For the stress pressure-bearing of pressing plate 1 with regard to relatively uniform, bearing plate 1 is not likely to produce deformation.
The specification of current bearing plate 1 has specific regular size, and the surface of bearing plate 1 is generally square, in this reality
It applies in example, the overall thickness of muti-piece bearing plate 1 is not less than 6cm, and the floor space of bearing plate 1 is 1.0 square metres, 1.2 square metres, 1.4
Square metre, select the continuous bearing plate 1 of multiple specifications in the specifications of 1.6 square metres and 1.8 square metres, select a variety of continuous specifications
Bearing plate 1, convenient for promoting the continuity that bearing plate 1 adapts to pile foundation size, convenience is higher.Meanwhile as shown in figure 3, may be used also
With the upper table for the bearing plate 1 for being 1.0 square metres, 1.2 square metres, 1.4 square metres, 1.6 square metres and 1.8 square metres by floor space
Area is respectively set to 1.1 square metres, 1.3 square metres, 1.5 square metres, 1.7 square metres and 1.9 square metres, by a certain piece of pressure-bearing
After about 1 plate is oppositely positioned, so that bearing plate 1 is to the more adaptable of pile foundation.
Pile measurement is typically all that detection is conducted batch-wise, and bearing plate 1 is required to reinstall and be transported after detection every time,
It needs individually to transport for every piece of bearing plate 1, the hoisting cost spent is with regard to relatively high, therefore, as shown in Fig. 2, can
To open up fixation hole 11 aligned with each other vertically on all bearing plates 1, fixation hole 11 is four, and multiple bearing plates 1 are led to
It crosses fixation kit 12 and is fixedly connected into an entirety.Fixation kit 12 it is various informative, in the present embodiment, fixation kit 12 includes
The upper end of pull rod 121 and fixing bolt 122, pull rod 121 has limiting section 1211, limiting section 1211 and 121 integrally connected of pull rod,
The sectional area of limiting section 1211 is greater than the sectional area of pull rod 121, and pull rod 121 is inserted into from top to bottom and is pierced by fixation hole 11, fixed
Bolt 122 is threaded in the lower section of pull rod 121.After pull rod 121 passes through fixation hole 11, fixing bolt 122 and limit are utilized
The purpose of fixed muti-piece bearing plate 1 is played in portion 1211 to the abutting of bearing plate 1.
For the ease of lifting, as shown in Fig. 2, two parallel sunpenders 123, sunpender can be arranged in the top of pull rod 121
123 both ends are fixedly connected with two pull rods 121 respectively, and the middle position of sunpender 123 is fixedly installed hanging ring 124, using hanging
Bar 123 and hanging ring 124 facilitate bearing plate 1 carrying out integral hoisting, convenient transportation.
Wherein, pile foundation is avoided in the position that opens up of fixation hole 11 as far as possible, is on the one hand able to ascend bearing plate 1 and pile foundation in this way
The case where contact area, still further aspect avoids pull rod 121 from contacting pile foundation and must remove as far as possible, therefore fixation hole 11 distinguishes position
It is best in the corner of bearing plate 1.
Embodiment two:
This embodiment describes a kind of application methods of combined type bearing plate, comprising the following steps:
S1, the diameter for measuring pile foundation;
S2, selection width are closest with Pile Diameter and are greater than the bearing plate 1 of Pile Diameter, which is placed in pile foundation
Top, then according to area, successively alignment is placed from the bottom up from big to small by remaining bearing plate 1.
After the above method, during use, each individually bearing plate 1 can be right for one group of bearing plate 1
The pile foundation of corresponding size is answered, such one group of bearing plate 1 just can adapt to the pile foundation of plurality of specifications, the convenience and effect of lifting construction
Rate.
For the inconsistent bearing plate 1 of upper and lower surfaces product, is choosing closest with Pile Diameter and be greater than Pile Diameter
When bearing plate 1, the upper and lower surfaces of bearing plate 1 can be considered in, this makes it possible to further promote bearing plate 1 to not
With the adaptability of pile foundation size.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (9)
1. a kind of combined type bearing plate for Loading Test of Composite Foundation, which is characterized in that more including muti-piece bearing plate (1)
Splice folded network between block bearing plate (1), the area of every piece of bearing plate (1) is all different and increases step by step.
2. a kind of combined type bearing plate for Loading Test of Composite Foundation according to claim 1, which is characterized in that every
Block bearing plate (1) is corner frustum, and the upper surface area of every piece of bearing plate (1) is more than or equal to the bearing plate of adjacent-specification
(1) lower surface area.
3. a kind of combined type bearing plate for Loading Test of Composite Foundation according to claim 2, which is characterized in that hold
Pressing plate (1) surface is square, and bearing plate (1) is 1.0 square metres, 1.2 square metres, 1.4 square metres, 1.6 squares in floor space
The continuous bearing plate of multiple specifications (1) is selected in rice and 1.8 square metres of specification.
4. a kind of combined type bearing plate for Loading Test of Composite Foundation according to claim 3, which is characterized in that bottom
The upper surface face for the bearing plate (1) that area is 1.0 square metres, 1.2 square metres, 1.4 square metres, 1.6 square metres and 1.8 square metres
Product is respectively 1.1 square metres, 1.3 square metres, 1.5 square metres, 1.7 square metres and 1.9 square metres.
5. a kind of combined type bearing plate for Loading Test of Composite Foundation according to claim 1, which is characterized in that institute
It is offered vertically fixation hole aligned with each other (11) on some bearing plates (1), fixation kit is installed in fixation hole (11)
(12).
6. a kind of combined type bearing plate for Loading Test of Composite Foundation according to claim 5, which is characterized in that Gu
Determining component (12) includes pull rod (121) and fixing bolt (122), and the upper end of pull rod (121) has limiting section (1211), limiting section
(1211) and pull rod (121) integrally connected, the sectional area of limiting section (1211) are greater than the sectional area of pull rod (121), pull rod (121)
It is inserted into and is pierced by fixation hole (11) from top to bottom, fixing bolt (122) is threaded in the lower section of pull rod (121).
7. a kind of combined type bearing plate for Loading Test of Composite Foundation according to claim 6, which is characterized in that Gu
Determining hole (11) includes four, and four fixation holes (11) are located at the corner of bearing plate (1).
8. a kind of combined type bearing plate for Loading Test of Composite Foundation according to claim 6, which is characterized in that draw
There are two parallel sunpender (123), the both ends of sunpender (123) are fixed with two pull rods (121) respectively for the top setting of bar (121)
Connection, the middle position of sunpender (123) is fixedly installed hanging ring (124).
9. a kind of application method of combined type bearing plate, which is characterized in that measure the diameter dimension of pile foundation, select width and pile foundation
Diameter dimension closest to and be greater than the bearing plate (1) of Pile Diameter, which is placed in the top of pile foundation, then by remaining
Bearing plate (1) according to area, successively place from the bottom up from big to small by alignment.
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CN201910419248.4A CN110056018A (en) | 2019-05-20 | 2019-05-20 | A kind of combined type bearing plate and application method for Loading Test of Composite Foundation |
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CN201910419248.4A CN110056018A (en) | 2019-05-20 | 2019-05-20 | A kind of combined type bearing plate and application method for Loading Test of Composite Foundation |
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CN208748715U (en) * | 2018-09-07 | 2019-04-16 | 河北华宇工程检测有限公司 | A kind of combined type bearing plate |
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CN208748715U (en) * | 2018-09-07 | 2019-04-16 | 河北华宇工程检测有限公司 | A kind of combined type bearing plate |
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Application publication date: 20190726 |