CN207066872U - A kind of loading device for SCS unit test specimen tensile compression tests - Google Patents

A kind of loading device for SCS unit test specimen tensile compression tests Download PDF

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Publication number
CN207066872U
CN207066872U CN201720450538.1U CN201720450538U CN207066872U CN 207066872 U CN207066872 U CN 207066872U CN 201720450538 U CN201720450538 U CN 201720450538U CN 207066872 U CN207066872 U CN 207066872U
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scs
unit test
test specimen
transmission mechanism
scs unit
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褚濛
宋晓冰
李磊
陈思佳
蒋亚军
高路
黄诚均
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Shanghai Nuclear Engineering Research and Design Institute Co Ltd
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Shanghai Nuclear Engineering Research and Design Institute Co Ltd
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Abstract

The utility model provides a kind of loading device for SCS unit test specimen tensile compression tests, and it includes:It is respectively arranged at two horizontal actuator for being used to apply pulling force of SCS unit test specimens both sides, one be arranged at the top of SCS unit test specimens be used for apply stressed vertical actuator, the horizontal loading transmission mechanism being arranged between horizontal actuator and SCS unit test specimens, it is arranged at the vertical load transmission mechanism of between vertical actuator and SCS unit test specimens and SCS unit test specimens bottom, wherein, load is evenly distributed to test specimen test section by horizontal loading transmission mechanism and vertical load transmission mechanism in different combinations, so as to realize the SCS unit test specimen stresses under simulation complex situations.Loading device provided by the utility model for SCS unit test specimen tensile compression tests, multistage load shunting, ensures SCS test specimen unit uniform stresseds.

Description

A kind of loading device for SCS unit test specimen tensile compression tests
Technical field
The utility model is related to it is a kind of be used for SCS (Steel-Concrete-Steel Composite Shear Wall, Double-layer plate concrete filled compound shear wall) unit test specimen tensile compression test loading device.
Background technology
Double steel plate concrete combined structure has turned into the Main way of nuclear power plant's room structural development in world wide.And study The failure criteria of SCS construction units is the prerequisite for carrying out structure design, and current experimental rig can only carry out pure shear and small The compression-shear test of axial compression ratio, Load Combination is not very comprehensive, is especially the absence of the test data of big compression shear combination.Obtained conclusion is only The SCS combined member bearing capacity formulas under single load or simple loads compound action are provide only, for nuclear power SCS The overall structure of this no individual member of structure, can not meet the requirement of PRACTICE OF DESIGN.This state significantly limit SCS knots The popularization and application of structure.
Utility model content
The utility model in view of the shortcomings of the prior art, proposes that a kind of loading for SCS unit test specimen tensile compression tests fills Put.
The utility model provides a kind of loading device for SCS unit test specimen tensile compression tests, and it includes:It is respectively arranged at SCS unit test specimens both sides be used to apply two horizontal actuator of pulling force, one be arranged at the top of SCS unit test specimens and be used for Apply stressed vertical actuator, the horizontal loading transmission mechanism being arranged between horizontal actuator and SCS unit test specimens, set Between vertical actuator and SCS unit test specimens and SCS unit test specimens bottom vertical load transmission mechanism, wherein, it is horizontal Load is evenly distributed to test specimen test section by load transmission mechanism and vertical load transmission mechanism in different combinations, so as to Realize the SCS unit test specimen stresses under simulation complex situations.
Preferably, each horizontal loading transmission mechanism includes:Middle part and SCS units test specimen and both ends respectively with two levels The connected structure-steel framing of actuator, the structure-steel framing is three-level steel beam structure, passes through some steel plates and/or trapezoidal web panels per one-level girder steel The Force transmission partses being welded into, and pass through height between three-level steel beam structure, between horizontal loading transmission mechanism and horizontal actuator Strength bolt is connected, and load caused by actuator is divided into four parts.
Preferably, the vertical load transmission mechanism includes:Two-stage distribution beam and position at the top of SCS unit test specimens One-level distribution beam and basic platform in SCS unit test specimens bottom.
Preferably, it is equipped with trapezoid cross section rigid pad between the two-stage distribution beam and between distribution beam and basic platform Block, actuator and basic platform counter-force are divided into two parts.
Preferably, four roller bearings, the lotus that point secondary distribution beam is transmitted are provided between the distribution beam and SCS unit test specimens Load is divided into four parts.
Preferably, the horizontal loading transmission mechanism is arranged on basic platform by support beam, and the support beam is the six roots of sensation Structural I-beam.
Preferably, the SCS units test specimen includes:Positioned at the test section at center and the pressure being arranged at outside test section Transmission mechanism and pulling force transmission mechanism, wherein:Test section includes the reinforcing bar and concrete of two blocks of steel plates and setting therebetween, mixes Basic framework of the peg as test specimen is arranged at intervals according to steel plate thickness in solidifying soil.
Preferably, pressure transferred structure and the pulling force transmission mechanism is arranged in cross, wherein:Pressure transferred structure by Double steel plate concrete material forms, and there is provided the separation trough along application force direction, while buried ten in vertical section Word steel plate is not occurred with ensureing to destroy in loading zone;Pulling force transmission mechanism is made up of the steel plate thickeied, is also provided with along application Circular opening is left at the separation trough of force direction, both ends, is easy to be connected with the No.1 beam of both sides.It is above-mentioned to be configured to ensure that load passes It is delivered to the uniformity of SCS unit test specimens test section.
Compared with prior art, the utility model has the advantages that:
1st, the loading device provided by the utility model for SCS unit test specimen tensile compression tests, multistage load shunting, ensures SCS test specimen unit uniform stresseds:Sufficiently long horizontal loading transmission mechanism and vertical load transmission mechanism transmit load step by step, The separation trough for coordinating SCS test specimens unit to set, realize the uniform stressed of test specimen unit.Test stressing conditions and Practical Project knot Structure is consistent, and can accurately probe into the mechanical characteristic of SCS construction units.
2nd, the loading device provided by the utility model for SCS unit test specimen tensile compression tests, independent load path can Simulate the complicated stressing conditions of SCS test specimens unit:The horizontal addload and vertical load path of SCS test specimen units are separate, can The Load Combination of different tensile pressure ratios is simulated, it is simple to operate effective, it is particularly possible to make up at present in research both at home and abroad and SCS units are tried The situation of test data deficiency under the big compression shear stressing conditions of part.
3rd, the loading device provided by the utility model for SCS unit test specimen tensile compression tests, unique SCS unit test specimens Design, it is ensured that destroy and occur in test section:Cross steel plate has been buried in the pressure transferred structure of test specimen to avoid transmission mechanism steel Flexing occurs for plate, simultaneously for the steel plate of pulling force transmission mechanism thicken and has strengthened processing so as to avoid the steel of transmission mechanism Plate is surrendered prior to test section.It is constructed above to ensure to destroy generation in test section, experimental data accurate and effective.
Brief description of the drawings
Fig. 1 is the utility model device overall schematic;
Fig. 2 is the utility model device horizontal loading transmission mechanism schematic diagram;
Fig. 3 is the utility model device horizontal loading transmission mechanism side view;
Fig. 4 is the utility model device vertical load transmission mechanism schematic diagram;
Fig. 5 is the SCS unit test specimen schematic diagrames of the utility model device;
In figure:1 horizontal actuator, 2 vertical actuator, 3 horizontal loading transmission mechanisms, 4 vertical load transmission mechanisms, 5 dresses Put basic platform, 6 support beams, 7 conversion beams, 8 SCS units test specimens, 9 No.1 beams, 10 No. two beams, 11 No. three beams, 12 variable cross-section works Word beam, 13 trapezoidal web panels, 14 bearing pins, 15 first order distribution beams, the stiffness bearer of 16 second level distribution beam 17,18 loading posts, 19 welderings Connect roller bearing, 20 test sections, 21 thickening steel plates, 22 separation troughs, 23 cross steel plates, 24 connection holes, 25 bridgewares.
Embodiment
To enable above-mentioned purpose of the present utility model, feature and advantage more obvious understandable, below in conjunction with the accompanying drawings and tool Body embodiment is described in further detail to the utility model.
As shown in figure 1, the loading device for SCS unit test specimen tensile compression tests includes:Two horizontal actuator 1, one Vertical actuator 2, horizontal loading transmission mechanism 3, vertical load transmission mechanism 4, device basic platform 5, support beam 6, conversion beam 7 With SCS units test specimen 8, wherein:Horizontal actuator 1 passes through vertical load by horizontal loading transmission mechanism 3, vertical actuator 2 Transmission mechanism 4 respectively passes to load the load bang path phase of SCS units test specimen 8, horizontal pull and vertical pressure step by step Mutually independent to simulate the mechanical characteristic of SCS units test specimen 8 in the case of different tensile pressure ratios, support beam 6 be six roots of sensation steel I-beam, is pacified It is placed on device basic platform 5 and conversion beam 7.
As shown in Figure 2-5, the beam 10, three of No.1 beam 9, two is between beam 11 and support beam 6, and No.1 beam 9 it is each Removable bearing pin 14 is equipped between variable cross-section I-shaped beam 12, is easy to displacement coordination, the beam of three kinds of models is arranged symmetrically in level The both sides of actuator 1.In loading procedure, horizontal actuator 1 drives No.1 beam 9 to move by horizontal loading transmission mechanism 3, so as to lotus The thickening steel plate 21 that converted part 25 again is delivered to SCS units test specimen 8 is carried, load is further evenly transferred to test section 20.
As shown in figure 3, No.1 beam 9 is made up of four variable cross-section I-shaped beams 12 small in ends broad in the middle, centre is provided with web Strengthen.No. two beams 10 are to increase by four pieces of trapezoidal web panels 13 respectively on two I-beams to be formed.No. three beams 11 are by polylith steel Plate weld into I-shape construction Force transmission partses, Liang Yuliang contact position is connected using high-strength bolt.
As shown in Figure 4 and Figure 5, pressure caused by described vertical actuator 2 is through the fraction of first order distribution beam 15 and second Load is divided into four parts with beam 16, first order distribution beam 15 is the cuboid of rectangular cross-section, and centre is provided with web and strengthened.The Secondary distribution beam 16 is that trapezoidal prism forms by two sections, and web reinforcement also is provided among prism.Stiffness bearer 17 With welding roller bearing 19 connecting the loading post 18 of distribution beam and test specimen, and Distributing loads.
As shown in figure 5, described SCS units test specimen 8 is in decussate texture, vertical and horizontal intersection is test section 20, other Part is load transmission mechanism.Used between the steel plate and concrete of vertical pressure transferred structure but be not limited to wear reinforcing bar and Weld stud is connected or connected using other modes such as structural steel connecting members, and is provided with separation trough 22, so as to respectively form four at both ends Individual loading post 18, receives the load from second level distribution beam 16, while has buried cross steel plate 23 in vertical section to protect Card destroys not to be occurred in loading zone.
Described separation trough 22 can use plank to separate during practice of construction, be easy to construct and do not influence so as to realize The advantages of stress of test specimen.
Respectively there are eight blocks of thickening steel plates 21 described pulling force transmission mechanism both sides, to transmit uniform tension;Stay at steel plate both ends There is connection hole 24, run through by bearing pin and be connected with the No.1 beam 9 of both sides.
Compared with prior art, the present embodiment has the advantages that:
1st, the loading device for SCS unit test specimen tensile compression tests that the present embodiment provides, multistage load shunting, ensures SCS test specimen unit uniform stresseds:Sufficiently long horizontal loading transmission mechanism and vertical load transmission mechanism transmit load step by step, The separation trough for coordinating SCS test specimens unit to set, realize the uniform stressed of test specimen unit.Test stressing conditions and Practical Project knot Structure is consistent, and can accurately probe into the mechanical characteristic of SCS construction units.
2nd, the loading device for SCS unit test specimen tensile compression tests that the present embodiment provides, independent load path can mould Intend the complicated stressing conditions of SCS test specimens unit:The horizontal addload and vertical load path of SCS test specimen units are separate, can mould Intend the Load Combination of different tensile pressure ratios, it is simple to operate effective, it is particularly possible to make up at present in research both at home and abroad to SCS unit test specimens The situation of test data deficiency under big compression shear stressing conditions.
3rd, the loading device for SCS unit test specimen tensile compression tests that the present embodiment provides, unique SCS unit test specimens are set Meter, it is ensured that destroy and occur in test section:Cross steel plate has been buried in the pressure transferred structure of test specimen to avoid transmission mechanism steel plate Generation flexing, simultaneously for the steel plate of pulling force transmission mechanism thicken and strengthened processing so as to avoid the steel plate of transmission mechanism Surrendered prior to test section.It is constructed above to ensure to destroy generation in test section, experimental data accurate and effective.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and other The difference of embodiment, between each embodiment identical similar portion mutually referring to.For system disclosed in embodiment For, due to corresponding to the method disclosed in Example, so description is fairly simple, related part is referring to method part illustration .
Those skilled in the art can realize described function using distinct methods to each specific application, but It is this realization it is not considered that exceeding the scope of the utility model.
Obviously, it is new without departing from this practicality can to carry out various changes and modification to utility model by those skilled in the art The spirit and scope of type.So, if these modifications and variations of the present utility model belong to the utility model claims and its Within the scope of equivalent technologies, then the utility model is also intended to including these changes and modification.

Claims (8)

  1. A kind of 1. loading device for SCS unit test specimen tensile compression tests, it is characterised in that including:It is respectively arranged at SCS units Test specimen both sides be used for apply two horizontal actuator of pulling force, one be arranged at the top of SCS unit test specimens be used for apply pressure The vertical actuator of power, the horizontal loading transmission mechanism being arranged between horizontal actuator and SCS unit test specimens, it is arranged at vertically The vertical load transmission mechanism of between actuator and SCS unit test specimens and SCS unit test specimens bottom, wherein, horizontal loading passes Pass mechanism and load is evenly distributed to test specimen test section by vertical load transmission mechanism in different combinations, so as to realize mould Intend the SCS unit test specimen stresses under complex situations.
  2. 2. the loading device according to claim 1 for SCS unit test specimen tensile compression tests, it is characterised in that Mei Geshui Flat load transmission mechanism includes:The structure-steel framing that middle part is connected with two horizontal actuator respectively with SCS units test specimen and both ends, should Structure-steel framing is three-level steel beam structure, the Force transmission partses being welded into per one-level girder steel by some steel plates and/or trapezoidal web panels, and three Connected between level steel beam structure, between horizontal loading transmission mechanism and horizontal actuator by high-strength bolt, actuator is produced Raw load is divided into four parts.
  3. 3. the loading device according to claim 1 for SCS unit test specimen tensile compression tests, it is characterised in that described perpendicular Include to load transmission mechanism:Two-stage distribution beam at the top of SCS unit test specimens and one positioned at SCS unit test specimens bottom Level distribution beam and basic platform.
  4. 4. the loading device according to claim 1 for SCS unit test specimen tensile compression tests, it is characterised in that two fractions With trapezoid cross section stiffness bearer is equipped between beam and between distribution beam and basic platform, by actuator and basic platform counter-force It is divided into two parts.
  5. 5. the loading device according to claim 1 for SCS unit test specimen tensile compression tests, it is characterised in that distribution beam Four roller bearings are provided between SCS unit test specimens, the load that point secondary distribution beam transmits is divided into four parts.
  6. 6. the loading device according to claim 1 for SCS unit test specimen tensile compression tests, it is characterised in that the water Flat load transmission mechanism is arranged on basic platform by support beam, and the support beam is six roots of sensation structural I-beam.
  7. 7. the loading device according to claim 1 for SCS unit test specimen tensile compression tests, it is characterised in that the SCS Unit test specimen includes:Machine is transmitted positioned at the test section at center and the pressure transferred structure being arranged at outside test section and pulling force Structure, wherein:Test section includes the reinforcing bar and concrete of two blocks of steel plates and setting therebetween, and concrete is interior according between steel plate thickness Every basic framework of the setting peg as test specimen.
  8. 8. the loading device according to claim 1 for SCS unit test specimen tensile compression tests, it is characterised in that pressure passes Mechanism and pulling force transmission mechanism is passed to arrange in cross, wherein:Pressure transferred structure is made up of double steel plate concrete material, and is set Put along the separation trough for applying force direction, while cross steel plate has been buried to ensure to destroy not in loading zone in vertical section Occur;Pulling force transmission mechanism is made up of the steel plate thickeied, is also provided with along the separation trough for applying force direction, circle is left at both ends Hole, it is easy to be connected with the No.1 beam of both sides.
CN201720450538.1U 2017-04-26 2017-04-26 A kind of loading device for SCS unit test specimen tensile compression tests Active CN207066872U (en)

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CN201720450538.1U CN207066872U (en) 2017-04-26 2017-04-26 A kind of loading device for SCS unit test specimen tensile compression tests

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106872277A (en) * 2017-04-26 2017-06-20 上海核工程研究设计院 A kind of loading device for SCS unit test specimen tensile compression tests

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106872277A (en) * 2017-04-26 2017-06-20 上海核工程研究设计院 A kind of loading device for SCS unit test specimen tensile compression tests

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Address after: No. 29 Hong Cao Road, Xuhui District, Shanghai

Patentee after: Shanghai Nuclear Engineering Research and Design Institute Co.,Ltd.

Address before: No. 29 Hong Cao Road, Xuhui District, Shanghai

Patentee before: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE

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