CN208076298U - Realize the experimental rig of steel pipe and the load-bearing load simultaneously of concrete initial stage - Google Patents
Realize the experimental rig of steel pipe and the load-bearing load simultaneously of concrete initial stage Download PDFInfo
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- CN208076298U CN208076298U CN201820604614.4U CN201820604614U CN208076298U CN 208076298 U CN208076298 U CN 208076298U CN 201820604614 U CN201820604614 U CN 201820604614U CN 208076298 U CN208076298 U CN 208076298U
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- steel pipe
- end plate
- concrete
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Abstract
The utility model is related to a kind of experimental rigs for realizing steel pipe and the load-bearing load simultaneously of concrete initial stage, the outside steel pipe of concrete is poured including inside, the both ends of the outside steel pipe are arranged with load end plate, and the hole for grafting outside steel pipe end is offered on the inner face of the load end plate.The structure of the realization steel pipe and the experimental rig of concrete initial stage load-bearing load simultaneously is simple, it can realize that load-bearing loads steel pipe simultaneously with concrete initial stage, reference can be provided for the experimental study of concrete filled steel tubular member stress performance, outside steel pipe uses embedded connection with load end plate, avoids the problem of core concrete contraction distortion when concrete filled steel tubular member makes causes steel pipe to shift to an earlier date load-bearing or rear weldering load end plate damage core concrete quality.
Description
Technical field
The utility model is related to a kind of experimental rigs for realizing steel pipe and the load-bearing load simultaneously of concrete initial stage.
Background technology
Concrete filled steel tube by a kind of combined material for forming in concrete filling steel pipe, the lower steel pipe of external load effect and
Concrete while load-bearing.Concrete filled steel tube has high capacity, good by calenderability, and anti-seismic performance is good and economic benefit is high etc.
Advantage has a good application prospect in civil engineering industry.
Currently, scholars have carried out a large amount of experimental study to the Compressive Performance of concrete filled steel tube.It makes a general survey of previous
The experimental study method of steel pipe and concrete load-bearing load simultaneously, when concrete filled steel tubular member pressurized tests research, load is direct
Application acts on component end plate.When component makes, the design size of test component is first pressed, cut upper and lower end plate, empty steel pipe and is added
Strength rib；Assembly is primarily present two ways：The first, upper head plate reserves the pouring hole of corresponding size, by empty steel pipe and upper and lower end
After plate welding and ribbed stiffener end are reinforced, core concrete is poured；Second, first by empty steel pipe and bottom plate welding and ribbed stiffener
Lower end reinforce after, poured after core concrete, solidify and reinforcement after, the welding and ribbed stiffener upper end of completing upper head plate add
By force.
Two kinds of erection methods of component are analyzed it is found that the former causes its core due to the intrinsic contraction distortion characteristic of concrete
There are gaps with end plate for heart concrete, and when load application acts on end plate thus, steel pipe shifts to an earlier date load-bearing；Although the latter overcomes core
The influence that heart concrete shrinkage deformation is brought, but welded after end plate, core concrete quality is not only damaged, and weldquality is difficult to protect
It demonstrate,proves, is easily torn at large eccentricity load action bottom plate and Member Welding.
Utility model content
In view of the deficiencies in the prior art, the technical problem to be solved by the utility model is to provide a kind of realization steel pipe and mix
The experimental rig of load-bearing load simultaneously of solidifying soil initial stage, is not only simple in structure, and convenient and efficient.
In order to solve the above-mentioned technical problem, the technical solution of the utility model is：A kind of realization steel pipe and concrete initial stage
The experimental rig of load-bearing load simultaneously, including the internal outside steel pipe for pouring concrete, the both ends of the outside steel pipe are symmetrical
Equipped with load end plate, the hole for grafting outside steel pipe end is offered on the inner face of the load end plate, inside is poured
It builds and concrete filled steel tubular member is formed by the outside steel pipe of concrete.
Preferably, the outside steel pipe is equipped with reinforcement gilled rings, the reinforcement on the closely both ends internal perisporium of load end plate
Gilled rings is made of the ribs of several circumference uniform distributions.
Preferably, the load end plate loads end plate with lower part loading end board group at described hole opens up by top
On lower part load end plate, the inner face of the lower part load end plate is coaxially installed with positioning annulus in hole edge, described
Position the triangle ribbed stiffener that several circumference uniform distributions are installed between the peripheral part of annulus and the inner face of lower part load end plate.
Preferably, the top load end plate is respectively positioned on the outer end face of lower part load end plate, and is loaded through bolt and lower part
End plate, which is spirally connected, to be integrated.
Preferably, the outside steel pipe and concrete keep flushing in upper/lower terminal portion.
Compared with prior art, the utility model has the advantages that：The realization steel pipe and concrete initial stage are simultaneously
The structure of the experimental rig of load-bearing load is simple, can realize that load-bearing loads steel pipe simultaneously with concrete initial stage, can be mixed for steel pipe
The experimental study of solidifying soil behavior of members under loading provides reference, and outside steel pipe is used with load end plate to inserting connection, avoids steel pipe
Core concrete contraction distortion causes steel pipe to shift to an earlier date load-bearing or rear weldering load end plate damage core coagulation when concrete component makes
The problem of soil property amount.
The utility model is described in more detail with reference to the accompanying drawings and detailed description.
Description of the drawings
Fig. 1 is the organigram of the utility model embodiment.
Fig. 2 is the organigram one for loading end plate.
Fig. 3 is the organigram two for loading end plate.
Fig. 4 is the organigram one for the outside steel pipe that inside pours concrete.
Fig. 5 is the organigram two for the outside steel pipe that inside pours concrete.
Specific implementation mode
For allow the utility model features described above and advantage can be clearer and more comprehensible, special embodiment below, and coordinate attached drawing,
It is described in detail below.
As shown in Fig. 1 ~ 5, a kind of experimental rig for realizing steel pipe and the load-bearing load simultaneously of concrete initial stage, including inside are poured
The outside steel pipe 2 of concrete 1 is built, the both ends of the outside steel pipe are arranged with load end plate 3, the inner end of the load end plate
The hole 4 for grafting outside steel pipe end is offered on face, inside is poured forms steel pipe by the outside steel pipe 2 of concrete 1
Concrete component.
In the utility model embodiment, the outside steel pipe is equipped with reinforcement on the closely both ends internal perisporium of load end plate
Gilled rings, the reinforcement gilled rings are made of the ribs 5 of several circumference uniform distributions, are carried out local strengthening, are prevented concrete filled steel tube
Local failure occurs at component node, which refers to the grafting node with load end plate.
In the utility model embodiment, the load end plate loads 7 groups of end plate by top load end plate 6 with lower part
At middle and upper part loading end plate is the load transfer device for meeting experimental design requirement, and load end plate in lower part is then to realize top load
End plate establishes good assembled limiting device with concrete filled steel tubular member；Described hole is opened on lower part load end plate, institute
The inner face for stating lower part load end plate is coaxially installed with positioning annulus 8 in hole edge, and positioning annulus is in addition to realizing that steel pipe is mixed
Outside the positioning of solidifying soil component and lower part load end plate realizes the behave of concrete filled steel tubular member end local strengthening, described fixed
The triangle ribbed stiffener 9 of several circumference uniform distributions is installed between the peripheral part of circle of position ring and the inner face of lower part load end plate,
The shape of hole and size are designed based on concrete filled steel tubular member cross section property, are closely embedded in by concrete filled steel tubular member
Lower part loads the reserved hole of end plate, realizes the good assembly of top load end plate and concrete filled steel tubular member.
In the utility model embodiment, the outside steel pipe and concrete keep flushing in upper/lower terminal portion.
In the utility model embodiment, the top load end plate is respectively positioned on the outer end face of lower part load end plate, and passes through
High-strength bolt 10 is spirally connected with lower part load end plate and is integrated, wherein under the precondition for meeting loading limit requirement, top adds
The repeatable utilization of end plate is carried, lower part loads end plate and then made according to the cross section property of each concrete filled steel tubular member；Traditional steel pipe
Concrete component is to be poured the outside steel pipe of concrete by upper and lower end plate, inside and laid along outside steel pipe end periphery
Ribbed stiffener forms, and is fixed four using welding, i.e., each concrete filled steel tubular member will repeat to produce end plate and ribbed stiffener,
A large amount of end plates and ribbed stiffener are needed thus to complete the assembly of each component.The concrete filled steel tubular member of the application is not necessarily to when making
Welded end plate and end periphery no longer need to setting ribbed stiffener end and reinforce, it is only necessary to produce the internal outsourcing for pouring concrete
Steel pipe can be reused for multiple concrete filled steel tubular members, be not necessarily to load end plate removable plug, load end plate
Each concrete filled steel tubular member repeats to produce end plate and ribbed stiffener, and cost of manufacture, material cost are substantially reduced.
A kind of test method of experimental rig that realizing the load-bearing load simultaneously of steel pipe and concrete initial stage, according to the following steps into
Row：（1）Make the internal outside steel pipe for pouring concrete；（2）Hole grafting of the both ends of outside steel pipe with load end plate；
（3）Imposed load 11 directly acts on load end plate.
In the utility model embodiment, in step（1）In, inside pours the steel pipe being made of the outside steel pipe of concrete
Concrete component, outside steel pipe and concrete keep flushing in upper/lower terminal portion.
In the utility model embodiment, when any experimental design, imposed load cannot concentrate that directly act on steel pipe mixed
Solidifying soil component itself, otherwise easily makes concrete filled steel tubular member generation end local failure and non-integral is destroyed.According to test component
Loading limit require and the connection performance with loading apparatus equipment, the load end plate high using intensity, rigidity is big（It is mixed with steel pipe
Solidifying soil component compares）, loading apparatus equipment is effectively connect with concrete filled steel tubular member realization so that load is more equably
Transfer spreading avoids concrete filled steel tubular member that end local failure occurs to concrete filled steel tubular member.
The utility model is not limited to above-mentioned preferred forms, anyone can obtain under the enlightenment of the utility model
Go out other various forms of experimental rigs for realizing steel pipe and the load-bearing load simultaneously of concrete initial stage.It is all according to the present utility model application
The equivalent changes and modifications that the scope of the claims is done should all belong to the covering scope of the utility model.
Claims (5)
1. a kind of experimental rig for realizing steel pipe and the load-bearing load simultaneously of concrete initial stage, it is characterised in that：It is poured including inside
There is an outside steel pipe of concrete, the both ends of the outside steel pipe are arranged with load end plate, on the inner face of the load end plate
The hole for grafting outside steel pipe end is offered, inside is poured forms concrete filled steel tube structure by the outside steel pipe of concrete
Part.
2. the experimental rig according to claim 1 for realizing steel pipe and the load-bearing load simultaneously of concrete initial stage, feature exist
In：The outside steel pipe is equipped with reinforcement gilled rings on the closely both ends internal perisporium of load end plate, and the reinforcement gilled rings is by several
The ribs of a circumference uniform distribution forms.
3. the experimental rig according to claim 1 for realizing steel pipe and the load-bearing load simultaneously of concrete initial stage, feature exist
In：The load end plate is by top load end plate with lower part loading end board group at described hole is opened in lower part loading end
On plate, the inner face of the lower part load end plate is coaxially installed with positioning annulus in hole edge, described to position the outer of annulus
The triangle ribbed stiffener of several circumference uniform distributions is installed between circumference and the inner face of lower part load end plate.
4. the experimental rig according to claim 3 for realizing steel pipe and the load-bearing load simultaneously of concrete initial stage, feature exist
In：The top load end plate is respectively positioned on the outer end face of lower part load end plate, and it is one to be spirally connected through bolt and lower part load end plate
Body.
5. the experimental rig according to claim 1 for realizing steel pipe and the load-bearing load simultaneously of concrete initial stage, feature exist
In：The outside steel pipe and concrete keep flushing in upper/lower terminal portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820604614.4U CN208076298U (en) | 2018-04-26 | 2018-04-26 | Realize the experimental rig of steel pipe and the load-bearing load simultaneously of concrete initial stage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820604614.4U CN208076298U (en) | 2018-04-26 | 2018-04-26 | Realize the experimental rig of steel pipe and the load-bearing load simultaneously of concrete initial stage |
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| Publication Number | Publication Date |
|---|---|
| CN208076298U true CN208076298U (en) | 2018-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820604614.4U Expired - Fee Related CN208076298U (en) | 2018-04-26 | 2018-04-26 | Realize the experimental rig of steel pipe and the load-bearing load simultaneously of concrete initial stage |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109520823A (en) * | 2019-01-04 | 2019-03-26 | 山东科技大学 | Embedded anchoring device and test method for rock tension test |
-
2018
- 2018-04-26 CN CN201820604614.4U patent/CN208076298U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109520823A (en) * | 2019-01-04 | 2019-03-26 | 山东科技大学 | Embedded anchoring device and test method for rock tension test |
| WO2019206071A1 (en) * | 2019-01-04 | 2019-10-31 | 山东科技大学 | Embedded-type anchor device for tensile testing of rock, and testing method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181109 |
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| CF01 | Termination of patent right due to non-payment of annual fee |