CN208815583U - A kind of tool-type combination girder construction for engineering pile detection - Google Patents
A kind of tool-type combination girder construction for engineering pile detection Download PDFInfo
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- CN208815583U CN208815583U CN201821189301.3U CN201821189301U CN208815583U CN 208815583 U CN208815583 U CN 208815583U CN 201821189301 U CN201821189301 U CN 201821189301U CN 208815583 U CN208815583 U CN 208815583U
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Abstract
The utility model discloses a kind of tool-type combination girder construction for engineering pile detection, including the first combination beam and the second combination beam in cross top-bottom cross arrangement；First combination beam includes four the first H profile steel beams in double dually arrayed；Second combination beam includes four the second H profile steel beams in double dually arrayed；In the combined beam structure, the bottom surface of the second combination beam below the first combination beam includes the electrolysis for covering engineering pile.The utility model combined beam structure H profile steel beam monomer members are small in size, light-weight, lifting, combination light and fast, construction safety, occupied area is small, practical assembled and operation can be carried out in the weaker engineering of handling ability, it avoids causing the work holdup to subsequent construction, the continuity that ensure that construction, accelerates construction speed.
Description
Technical field
The utility model relates to building foundation engineering technical fields.More particularly, to it is a kind of for engineering pile detection
Tool-type combination girder construction.
Background technique
At present in building foundation engineering field, engineering pile loading test commonly uses two kinds of counterforce devices: ballast platform counter-force
Device and anchoring pile counterforce device.Ballasting platform counterforce device needs larger operations area, and counterweight freight volume is big, preloading is time-consuming
It is longer, influence duration progress.Anchoring pile counterforce device, which has, to be made anchoring pile using existing engineering pile, saves cost, convenient for detection
Advantage, it is especially with the obvious advantage in the detection of large-tonnage engineering pile, it is more and more widely used.In anchoring pile counterforce device
It needs using to detection girder steel, pull rod, anchoring pile (using engineering pile), jack, cushion block, dial gauge, datum line beam, the phases such as anchor disk
Equipment is closed, wherein it is conventional big with detection girder steel monomer members weight, it is high to hanging device performance requirement.
A kind of new situation is encountered in practical projects, and engineering pile is located in continuous, multistage, big height difference foundation pit, a plurality of narrow
Conventional hanging device is not suitable for entering in foundation pit, between foundation pit operating platform also can not the big weight object of preloading, may not operate and hang
Install standby, and the existing tower crane in scene can hang part detection device in place, but be not able to satisfy conventional detection girder steel hoist and want
It asks, proposes problem to engineering detecting.
Therefore it provides a kind of shape is exquisite, tool-type combination girder construction easy to use, to solve the above problems.
Utility model content
The purpose of the utility model is to provide a kind of shapes, and engineering pile exquisite, easy to use detects girder construction, to overcome
Girder steel problem in place is detected in the weaker engineering of handling ability.
In order to achieve the above objectives, the utility model adopts the following technical solutions:
The utility model provides a kind of tool-type combination girder construction for engineering pile detection, the tool-type combination beam
Structure includes the first combination beam and the second combination beam in cross top-bottom cross arrangement；
First combination beam includes four the first H profile steel beams in double dually arrayed；
Second combination beam includes four the second H profile steel beams in double dually arrayed；
Wherein, in first combination beam,
It is connected and fixed between two neighboring first H profile steel beam by the first connecting plate in the horizontal direction；
Fixation is bolted between two neighboring first H profile steel beam in the vertical direction；
In second combination beam,
It is connected and fixed between two neighboring second H profile steel beam by the second connecting plate in the horizontal direction；
Fixation is bolted between two neighboring second H profile steel beam in the vertical direction；
In the combined beam structure, the bottom surface of the second combination beam below the first combination beam includes to cover engineering
The electrolysis of stake.
Further, in the combined beam structure, the second combination beam below the first combination beam with described first
The corresponding bottom surface of combination beam is the electrolysis for covering engineering pile.
Further, the length of first connecting plate is the 60%~80% of the first combination beam length；Second connection
The length of plate is the 60%~80% of the second combination beam length.
Further, the position of the electrolysis is located on the second connecting plate of second combination soffit.
Further, the first combination top surface of the beam and bottom surface are provided with the first connecting plate, and first combination beam
First connecting plate set by top surface combines the first connecting plate set by soffit relative to the first combination beam ontology with first
It is symmetrical set.
Further, the second combination top surface of the beam and bottom surface are provided with the second connecting plate, and second combination beam
Second connecting plate set by top surface combines the second connecting plate set by soffit relative to the second combination beam ontology with second
It is symmetrical set.
Further, first connecting plate and the second connecting plate are steel plate.
Further, the first H profile steel beam both ends and the second H profile steel beam both ends, which are equipped with, meets construction condition use
In the otic placode of lifting.
Further, the first H profile steel beam and the second H profile steel beam web two sides be equipped be alternatively arranged and perpendicular to
The steel ribs of web and upper lower flange.
Further, the combined beam structure further include be located at it is described first combination top surface of the beam both ends on, and
The loading beam for being connect with anchoring pile on second combination top surface of the beam both ends.
The beneficial effects of the utility model are as follows
Two groups of combination beams are mutually indepedent in the utility model combined beam structure, the weight of each H profile steel beam in every group of combination beam
Only 25% or so of conventional detection girder steel monomer members weight has the characteristics that small in size, light-weight, on the one hand, so that group
Conjunction girder construction combination is convenient and efficient, and overall weight is lighter, can complete coupled beam knot using the lifting equipment compared with ting model
The lifting of structure, lifting is light, meets the construction requirement of engineering pile loading test to be measured；On the other hand, so that entire combination beam
Light structure, occupied area is small, and the existing engineering pile that can be directlyed adopt around engineering pile to be measured replaces anchoring pile, in overlength, ultra-deep
Loading test is carried out in foundation pit, the narrow confined space, is reduced because loading test tests the influence to subsequent construction, is kept away
Exempt from work holdup phenomenon occur, ensure that the continuity of construction.
The utility model combined beam structure successfully solves detection girder steel problem in place in the weaker engineering of handling ability,
Have a wide range of applications market in following engineering pile detection.
Detailed description of the invention
Specific embodiment of the present utility model is described in further detail with reference to the accompanying drawing.
Fig. 1 is the utility model combined beam structure piling operating condition schematic diagram.
Fig. 2 is the utility model combined beam structure piling operating condition schematic top plan view.
Fig. 3 is the first combined beam structure schematic diagram of the utility model.
Fig. 4 is the A-A the schematic diagram of the section structure of Fig. 3.
Fig. 5 is the B-B the schematic diagram of the section structure of Fig. 3.
In figure: 1, the first combination beam；11, the first H profile steel beam；12, the first connecting plate；2, the second combination beam；21, the 2nd H
Section steel beam；22, the second connecting plate；3, anchoring pile；31, anchoring pile reinforcing bar；32, anchor disk；33, pull rod；4, engineering pile；41, pile cover；42,
Lower bolster；43, jack；44, upper padding plate；5, cushion block；6, loading beam；7, otic placode；8, steel ribs.
Specific embodiment
In order to illustrate more clearly of the utility model, the utility model is done into one below with reference to preferred embodiments and drawings
The explanation of step.Similar component is indicated in attached drawing with identical appended drawing reference.It will be appreciated by those skilled in the art that below
Specifically described content is illustrative and be not restrictive, and should not be limited the protection scope of the present invention.
The new airport passenger terminal in Beijing and the comprehensive transfer Central-South finger corridor foundation pit of Center Project are by Central-South finger corridor and two sides three
Side by side tracks traffic foundation pit composition, three track foundation pit width are respectively 16.4-20.2m, length about 400m, and vertical depth is
18.95m forms one group of continuous multi-stage, low coverage, big height difference, long and narrow foundation pit, and operating platform can not heap between three track foundation pits
It carries big weight object, may not operate hanging device.It is total that large-tonnage detecting of bearing capacity of a pile foundation pile is equipped in 3 track foundation pits
21 groups are counted, loading 9000KN is detected.Original conventional detection girder steel single long 10m, wide 0.6m, about 14 tons of high 1.4m, weight.Due to
It is Central-South refer to the three rail traffic foundation pit construction scenes in corridor operating space is limited and schedule requirement, after live earthwork construction
Large-scale hoist machinery cannot be introduced into long and narrow foundation pit, and live tower crane is also unable to satisfy single 14t hoist requirement, propose to engineering detecting
Problem.
The utility model provides a kind of tool-type combination girder construction for engineering pile detection, as shown in Figs. 1-5, described
Tool-type combination girder construction includes the first combination beam 1 and the second combination beam 2 in cross top-bottom cross arrangement；Described first group
Closing beam 1 includes four the first H profile steel beams 11 in double dually arrayed；Second combination beam 2 includes in double biserial
Four the second H profile steel beams 21 of arrangement；Wherein, in first combination beam 1, two neighboring first H-type in the horizontal direction
It is connected and fixed between girder steel 11 by the first connecting plate 12；Pass through between two neighboring first H profile steel beam 11 in the vertical direction
It is bolted fixation；In second combination beam 2, in the horizontal direction by the between two neighboring second H profile steel beam 21
Two connecting plates 22 are connected and fixed；Fixation is bolted between two neighboring second H profile steel beam 21 in the vertical direction；Institute
It states in combined beam structure, the bottom surface positioned at the second combination beam 2 of 1 lower section of the first combination beam includes the crimping for covering engineering pile
Face；Two groups of combination beams are mutually indepedent in combined beam structure；In the present embodiment, the first combined beam structure and the second combined beam structure phase
Together, the first H profile steel beam is identical as the second H profile steel girder construction.
The assembled sequence of the utility model tool-type combination girder construction is as follows: first making pile cover 41 on engineering pile 4, then spreads
Backing plate 42, jack 43 and upper padding plate 44 are set, guarantees the flatness of lower bolster 42 and upper padding plate 44 using level；In anchoring pile
3 insides are vertical to pile up cushion block 5, adjusts plane on cushion block 5 and to remain basically stable with plane on upper padding plate 44, regard cushion block 5 as work
The platform for lining of tool formula combination beam successively assembles the second combination beam 2 and the first combination beam 1 on cushion block 5.Pass through pull rod 33, anchor
The anchoring pile reinforcing bar 31 of disk 32 and anchoring pile 3 (ordinary skill stake can be used as anchoring pile carry out using) is connect, and forms counterforce device.
In utility model preferred embodiment, in the combined beam structure, positioned at the of the lower section of the first combination beam 1
The bottom surface corresponding with first combination beam 1 of two combination beams 2 is the electrolysis for covering engineering pile 4.This set makes first
The stress point of combination beam 1, the second combination beam 2 and engineering pile 4 is located in same vertical axis, and unbalance loading is avoided to happen.
In utility model preferred embodiment, 1 top surface of the first combination beam and bottom surface are provided with the first connecting plate
12, and the first connecting plate 12 set by 1 top surface of the first combination beam is connect with set by 1 bottom surface of the first combination beam first
Plate 12 is symmetrical set relative to 1 ontology of the first combination beam.Similarly, 2 top surface of the second combination beam and bottom surface are provided with second
Connecting plate 22, and set by 2 bottom surface of the second connecting plate 22 and the second combination beam set by 2 top surface of the second combination beam
Two connecting plates 22 are symmetrical set relative to 2 ontology of the second combination beam.First connecting plate 12 and the symmetrical of the second connecting plate 22 set
It sets so that when carrying out loading test, the stress equalization of connecting plate does not easily cause combination beam beam body deformation.
In the preferred embodiment of utility model, first connecting plate 12 and the second connecting plate 22 are steel plate,
To increase the fastness of combination beam ontology.
In utility model preferred embodiment, the position of the electrolysis is located at 2 bottom surface of the second combination beam
On second connecting plate 22, to increase the Bearing degree of combination beam ontology.
In utility model preferred embodiment, the combined beam structure further includes being located at first combination
The loading beam 6 for being connect with anchoring pile on 1 top surface both ends of beam and on second combination beam, 2 top surface both ends, it is convenient
It is directly connect with anchoring pile 3 when carrying out loading test.
In utility model preferred embodiment, the length of first connecting plate 12 is 1 length of the first combination beam
60%~80%；The length of second connecting plate 22 is the 60%~80% of 2 length of the second combination beam.In the utility model
In, first connecting plate 12 and the second connecting plate 22 are not elongated laying on the first combination beam 1 and the second combination beam 2, into
One step alleviates the overall weight of combined beam structure.
In utility model preferred embodiment, 11 both ends of the first H profile steel beam and 21 both ends of the second H profile steel beam
Be equipped with the otic placode 7 for lifting for meeting construction condition, it is convenient in loading test to the first H profile steel beam 11 and
Second H profile steel beam 21 is lifted.
In utility model preferred embodiment, the first H profile steel beam 11 and the second H profile steel beam 21 are in web two
Side, which is equipped with, to be alternatively arranged and perpendicular to web and the steel ribs 8 of upper lower flange, with further strengthen the first H profile steel beam 11 and
The bending resistance of second H profile steel beam 21.
The present embodiment guarantees conduction counter-force performance condition identical with original detection girder steel according to " equal strength replacement " principle
Under, the tool-type combination beam of four H profile steel beams of the present embodiment and steel plate composition replaces original detection girder steel.First combination beam 1
With the first H profile steel beam 11 in the second combination beam 2 and the long 10m of the second H profile steel beam 21, width 0.3m, high 0.7m, weight 3.4t, about
The 25% of original detection girder steel weight, so that tool-type combination girder construction of the utility model for engineering pile detection has volume
Small, light-weight feature.
Obviously, the above embodiments of the present invention is merely examples for clearly illustrating the present invention, and
It is not limitations of the embodiments of the present invention, for those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways, all embodiments can not be exhaustive here,
It is all to belong to obvious changes or variations that the technical solution of the utility model is extended out still in the utility model
The column of protection scope.
Claims (10)
1. a kind of tool-type combination girder construction for engineering pile detection, which is characterized in that the tool-type combination girder construction packet
Include the first combination beam and the second combination beam in cross top-bottom cross arrangement；
First combination beam includes four the first H profile steel beams in double dually arrayed；
Second combination beam includes four the second H profile steel beams in double dually arrayed；
Wherein, in first combination beam,
It is connected and fixed between two neighboring first H profile steel beam by the first connecting plate in the horizontal direction；
Fixation is bolted between two neighboring first H profile steel beam in the vertical direction；
In second combination beam,
It is connected and fixed between two neighboring second H profile steel beam by the second connecting plate in the horizontal direction；
Fixation is bolted between two neighboring second H profile steel beam in the vertical direction；
In the combined beam structure, the bottom surface of the second combination beam below the first combination beam includes to cover engineering pile
Electrolysis.
2. combined beam structure according to claim 1, which is characterized in that in the combined beam structure, be located at first group
The bottom surface corresponding with first combination beam for closing the second combination beam below beam is the electrolysis for covering engineering pile.
3. combined beam structure according to claim 1, which is characterized in that the length of first connecting plate is the first combination
The 60%~80% of beam length；The length of second connecting plate is the 60%~80% of the second combination beam length.
4. combined beam structure according to claim 1, which is characterized in that the position of the electrolysis is located at described second group
On the second connecting plate for closing soffit.
5. combined beam structure according to claim 1, which is characterized in that the first combination top surface of the beam and bottom surface are provided with
First connecting plate, and the first connecting plate set by the first combination top surface of the beam combines first set by soffit with first
Connecting plate is symmetrical set relative to the first combination beam ontology.
6. combined beam structure according to claim 1, which is characterized in that the second combination top surface of the beam and bottom surface are provided with
Second connecting plate, and the second connecting plate set by the second combination top surface of the beam combines second set by soffit with second
Connecting plate is symmetrical set relative to the second combination beam ontology.
7. combined beam structure according to claim 1, which is characterized in that first connecting plate and the second connecting plate are
Steel plate.
8. combined beam structure according to claim 1, which is characterized in that the first H profile steel beam both ends and the second H-type
Girder steel both ends are equipped with the otic placode for lifting.
9. combined beam structure according to claim 1, which is characterized in that the first H profile steel beam and the second H profile steel beam
It is equipped with and is alternatively arranged and perpendicular to web and the steel ribs of upper lower flange in web two sides.
10. combined beam structure according to claim 1, which is characterized in that the combined beam structure further includes having position respectively
In on first combination top surface of the beam both ends and on second combination top surface of the beam both ends for connecting with anchoring pile
Loading beam.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821189301.3U CN208815583U (en) | 2018-07-25 | 2018-07-25 | A kind of tool-type combination girder construction for engineering pile detection |
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| CN201821189301.3U CN208815583U (en) | 2018-07-25 | 2018-07-25 | A kind of tool-type combination girder construction for engineering pile detection |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110004998A (en) * | 2019-05-14 | 2019-07-12 | 中国五冶集团有限公司 | A kind of bored concrete pile test pile apparatus and its pile testing method |
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2018
- 2018-07-25 CN CN201821189301.3U patent/CN208815583U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110004998A (en) * | 2019-05-14 | 2019-07-12 | 中国五冶集团有限公司 | A kind of bored concrete pile test pile apparatus and its pile testing method |
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