CN205246050U - Measuring device is warp to prefabricated prefabricated concrete structure seam - Google Patents
Measuring device is warp to prefabricated prefabricated concrete structure seam Download PDFInfo
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- CN205246050U CN205246050U CN201521100424.1U CN201521100424U CN205246050U CN 205246050 U CN205246050 U CN 205246050U CN 201521100424 U CN201521100424 U CN 201521100424U CN 205246050 U CN205246050 U CN 205246050U
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- displacement meter
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- angle cleat
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Abstract
The utility model discloses a measuring device is warp to prefabricated prefabricated concrete structure seam, belong to the experimental measuring device of deformation of civil engineering structure, its structure includes the base, the angle cleat, the steel sheet of buckling, the displacement meter base, horizontal displacement meter, the vertical displacement meter, spring card and spacing buckle, the base includes two, be divided into base and lower base, the angle cleat includes two, divide into angle cleat and lower angle cleat, it links to each other with lower base with last base respectively with lower angle cleat to go up the angle cleat, the other end of going up the angle cleat links to each other with the steel sheet of buckling, the other end of angle cleat links to each other with the displacement meter base down, be provided with horizontal displacement meter and vertical displacement meter on the displacement meter base respectively. The utility model has the characteristics of can make things convenient for, accurate, synchronously measure in the horizontal load test of prefabricated prefabricated concrete structure relative horizontal slip displacement between the prefabricated component and vertical fracture width etc. About the seam crossing.
Description
Technical field
The utility model relates to a kind of civil engineering structure test deformation measuring device, especially a kind of prefabrication and assembly constructionFormula xoncrete structure seam deformation measuring device.
Background technology
Prefabricated concrete structure refers at the construction field (site) by precast concrete (prefabricated post, precast beam, pre-Shear wall processed etc.) assemble into overall structure by the mode of rear pouring concrete, strength cement-based grouting material. With existingWater structure difference, in fabricated construction, vertical prefabricated components are generally starched by seat or the mode of being in the milk connects, memberThere is horizontal joint in junction. Seam is integrally-built weak link, is the key that affects structure tension performancePosition. The shear-carrying capacity of horizontal joint and grouting material intensity, faying face roughness, compression and wear seam reinforcing barThe factors such as quantity are relevant. Seam stress difference, the shared proportion difference of factor of various Transfer of Shear. WhenEffect shearing is less, and when seam ftractures, shearing mainly relies on the cementation transmission between concrete,Larger with the strength relationship of grouting material; When effect shearing is larger, when cracking occurs seam, Shear transfer is mainly complied withBy frictional force, shear key effect and the reinforcing bar dowel action etc. of faying face.
Present stage, the shear-carrying capacity computing formula difference of various countries' specification to prefabricated components horizontal joint, considers eachThe shared proportion of kind of factor is also not identical. In order to have a clear understanding of vertical prefabricated components water in prefabricated concrete structureThe limit shear resistant capacity of carvel joint, and under different stresses distortion and the rigidity of seam crossing, proposeSuitable Shear transfer mechanism and Analysis of Ultimate model, need to carry out level to vertical prefabricated components and load examinationTest. In whole test loading procedure, require between the upper and lower prefabricated components in Measurement accuracy horizontal joint place relativelyHorizontal slip displacement and vertical cracking width.
Displacement meter is placed in respectively upper and lower prefabricated components by the practices well of measuring the distortion of prefabricated components horizontal jointEnd or top. In such cases, the data that record are the absolute displacement on test component end and top, dataWhen analysis, need further to process, have inconvenience. In addition, because displacement meter is away from seam, the number finally obtainingWide according to relative level slide displacement and vertical cracking between the upper and lower prefabricated components of seam crossing on stricti jurise notDegree. Therefore, in the vertical horizontal load test of prefabricated components, between the upper and lower prefabricated components in abutment joint place relativelyHorizontal slip displacement and vertical cracking width carry out Measurement accuracy and have proposed requirement.
Utility model content
Technical assignment of the present utility model is to provide a kind of prefabricated assembled mixed for above-mentioned deficiency of the prior artXtah Crude Clay structure seam deformation measuring device, this one prefabricated assembled concrete structure seam deformation measuring device toolHave and can facilitate, accurately, synchronously measure in prefabricated assembled concrete structure level load test on seam crossingRelative level slide displacement between lower prefabricated components and the feature of vertical cracking width.
The utility model solves the technical scheme that its technical problem adopts: it comprise base, angle cleat,Bending steel plate, displacement meter base, horizontal displacement meter, vertical displacement meter, spring card and limit fastener, described inBase comprise two, be divided into upper bed-plate and lower bottom base, described angle cleat comprises two, is divided into connectionAngle steel and lower angle cleat, described upper bed-plate and lower bottom base be separately fixed at top prefabricated components and bottom prefabricatedThe same side of member, and close on prefabricated components horizontal joint position, described upper angle cleat and lower connectionAngle steel is connected with lower bottom base with upper bed-plate by connecting bolt respectively, the other end of upper angle cleat and bending steel plateBe connected, described bending steel plate is L-type bending steel plate, and the other end of lower angle cleat is connected with displacement meter base,On described displacement meter base, be respectively arranged with horizontal displacement meter and vertical displacement meter, described horizontal displacement meter andVertical displacement score is not fixed on displacement meter base by spring card, vertical displacement meter bottom and horizontal displacementOn the displacement meter base on meter right side, be respectively arranged with limit fastener.
Described upper bed-plate and lower bottom base comprise respectively angle clip and anchor plate, described anchor plate and short angleOn two angle limbs of steel, be respectively arranged with bolt hole, anchor plate passes on anchor plate by fixing crab-bolt respectivelyBolt hole and top prefabricated components and bottom prefabricated components fix, described angle clip is respectively by connecting spiral shellBolt fixes through the bolt hole on angle clip and upper angle cleat and lower angle cleat.
Described anchor plate is solid mutually with top prefabricated components and bottom prefabricated components by two fixing crab-bolts respectivelyFixed.
Described upper angle cleat and lower angle cleat and angle clip junction are provided with bar hole, connecting boltBe fixed through bolt hole and bar hole respectively.
Described upper angle cleat fixes by two connecting bolts and bending steel plate, described lower angle cleatFix by a connecting bolt and displacement meter base.
A kind of prefabricated assembled concrete structure seam deformation measuring device of the present utility model and prior art phaseRatio, has following outstanding beneficial effect: simple structure, easy for installation, measure accurately;
Before prefabricated components carry out horizontal load test, adopt four fixing crab-bolts that two bases are fixing respectivelyIn the same side of upper and lower prefabricated components, close on seaming position place, due to two bases, to lay respectively at seam upper and lowerCorresponding position, the data that therefore displacement meter measures are the phase between the upper and lower prefabricated components of seam crossingTo horizontal slip displacement and vertical cracking width;
After base fixedly completes, the remaining component in this measurement mechanism is installed to angle cleat end and baseThe junction of angle clip be provided with strip hole, can be according to the shape of test component, size and test operation spaceThe extension elongation of adjusting device;
Vertical displacement meter and horizontal displacement meter adopt spring card to be fixed on displacement meter base, can slide by adjustingMoving limit fastener regulates the position of displacement meter, and the measuring stick of two displacement meters is all withstood on L-type bending steel plate,Ensure authenticity and the validity of seam level and vertical displacement measurement data.
Brief description of the drawings
Fig. 1 is the utility model three-dimension integrally structural representation;
Fig. 2 is the utility model structure side view;
Fig. 3 is the utility model structure front view;
Fig. 4 is the utility model structure top view;
Fig. 5 is base schematic diagram in the utility model structure;
Fig. 6 adopts the utility model measurement mechanism to measure in prefabricated assembled concrete structure level load testFront side schematic diagram when the distortion of prefabricated components seam;
Fig. 7 adopts the utility model measurement mechanism to measure in prefabricated assembled concrete structure level load testThe schematic side view when distortion of prefabricated components seam;
Description of reference numerals: 1 bending steel plate, 2 displacement meter bases, 3 horizontal displacement meters, 4 vertical displacement meters, 5Spring card, 6 limit fasteners, 71 upper bed-plates, 72 lower bottom bases, 711 angle clips, 712 anchor plates, 713Bolt hole, 714 fixing crab-bolts, angle cleat on 81,82 times angle cleats, 91 top prefabricated components, 92Bottom prefabricated components, 10 prefabricated components horizontal joints, 11 connecting bolts, 12 bar holes.
Detailed description of the invention
With reference to Figure of description 1 to accompanying drawing 7 to a kind of prefabricated assembled concrete structure seam of the present utility modelDeformation measuring device is described in detail below.
A kind of prefabricated assembled concrete structure seam deformation measuring device of the present utility model, its structure comprises the endSeat, angle cleat, bending steel plate 1, displacement meter base 2, horizontal displacement meter 3, vertical displacement meter 4, springCard 5 and limit fastener 6, described base comprises two, is divided into upper bed-plate 71 and lower bottom base 72, describedAngle cleat comprises two, is divided into angle cleat 81 and lower angle cleat 82, described upper bed-plate 71 and underBase 72 is separately fixed at the same side of top prefabricated components 91 and bottom prefabricated components 92, and closes on prefabricatedModular level seam 10 positions, described upper angle cleat 81 with lower angle cleat 82 respectively by being connected spiral shellBolt 11 is connected with lower bottom base 72 with upper bed-plate 71, and the other end of upper angle cleat 81 is connected with bending steel plate 1,Described bending steel plate 1 is L-type bending steel plate, the other end of lower angle cleat 82 and displacement meter base 2 phasesConnect, on described displacement meter base 2, be respectively arranged with horizontal displacement meter 3 and vertical displacement meter 4, described waterFlat displacement meter 3 and vertical displacement meter 4 are fixed on displacement meter base 2 by spring card 5 respectively, vertical positionMove on the displacement meter base 2 of counting 4 bottoms and horizontal displacement meter 3 right sides and be respectively arranged with limit fastener 6.
Described upper bed-plate 71 and lower bottom base 72 comprise respectively angle clip 711 and anchor plate 712, describedOn two angle limbs of anchor plate 712 and angle clip 711, be respectively arranged with bolt hole 713, anchor plate 712Respectively by fixing crab-bolt 714 through the bolt hole 713 on anchor plate 712 and top prefabricated components 91 and underPortion's prefabricated components 92 fix, and described angle clip 711 passes angle clip 711 by connecting bolt 11 respectivelyOn bolt hole 713 fix with upper angle cleat 81 and lower angle cleat 82.
Described anchor plate 712 is respectively by two fixing crab-bolts 714 and top prefabricated components 91 and bottomPrefabricated components 92 fix.
Described upper angle cleat 81 and lower angle cleat 82 are provided with bar hole with angle clip 711 junctions12, connecting bolt 11 is fixed through bolt hole 713 and bar hole 12 respectively.
Described upper angle cleat 81 fixes by two connecting bolts 11 and bending steel plate 1, described underAngle cleat 82 fixes by a connecting bolt 11 and displacement meter base 2.
The vertical prefabricated components in prefabricated assembled concrete structure are carried out before level loading, adopt mooring anchorUpper bed-plate 71 and lower bottom base 72 are separately fixed at top prefabricated components 91 and bottom prefabricated components 92 by bolt 714Side, close on prefabricated components horizontal joint 10 positions. Then by upper angle cleat 81 and lower angle cleat82 are connected with upper bed-plate 71 and lower bottom base 72 respectively by connecting bolt 11. Junction is provided with strip hole 12,According to the extension elongation of the shape of test component, size and test operation Space adjustment measurement mechanism. Upper joint angleSteel 81 is by the fixing bending steel plate 1 of two connecting bolts 11, and lower angle cleat 82 is by a connecting bolt 11Fixed displacement meter base 2, adopts spring card 5 to be fixed on displacement horizontal displacement meter 3 and vertical displacement meter 4On meter base 2. Regulate slip limit fastener 6, make the measuring stick of horizontal displacement meter 3 and vertical displacement meter 4 equalWithstand on L-type bending steel plate 1.
Cited embodiment, only for understanding the utility model, is not the utility model is retouched aboveThe restriction of the technical scheme of stating, about the those of ordinary skill in field, at the base of technical scheme described in claimOn plinth, can also make multiple variation or distortion, it is new that all variations that are equal to or distortion all should be encompassed in this practicalityWithin the claim protection domain of type. The utility model does not describe part in detail, is those skilled in the art of the present techniqueKnown technology.
Claims (5)
1. a prefabricated assembled concrete structure seam deformation measuring device, is characterized in that: comprise base, companyConnect angle steel, bending steel plate, displacement meter base, horizontal displacement meter, vertical displacement meter, spring card and limiting cardButton, described base comprises two, is divided into upper bed-plate and lower bottom base, described angle cleat comprises two, pointFor upper angle cleat and lower angle cleat, described upper bed-plate and lower bottom base be separately fixed at top prefabricated components andThe same side of bottom prefabricated components, and close on prefabricated components horizontal joint position, described upper angle cleatBe connected with lower bottom base with upper bed-plate by connecting bolt respectively with lower angle cleat, the other end of upper angle cleat withBending steel plate is connected, and the other end of lower angle cleat is connected with displacement meter base, on described displacement meter base, dividesBe not provided with horizontal displacement meter and vertical displacement meter, bullet is not passed through in described horizontal displacement meter and vertical displacement scoreSpring card is fixed on displacement meter base, on the displacement meter base on vertical displacement meter bottom and horizontal displacement meter right sideBe respectively arranged with limit fastener.
2. a kind of prefabricated assembled concrete structure seam deformation measuring device according to claim 1, itsFeature is: described upper bed-plate and lower bottom base comprise respectively angle clip and anchor plate, described anchor plate andOn two angle limbs of angle clip, be respectively arranged with bolt hole, anchor plate passes anchoring steel by fixing crab-bolt respectivelyBolt hole on plate and top prefabricated components and bottom prefabricated components fix, and described angle clip is respectively by connectingConnecting bolt fixes through the bolt hole on angle clip and upper angle cleat and lower angle cleat.
3. a kind of prefabricated assembled concrete structure seam deformation measuring device according to claim 2, itsFeature is: described anchor plate is respectively by two fixing crab-bolts and top prefabricated components and bottom prefabricated componentsFix.
4. a kind of prefabricated assembled concrete structure seam deformation measuring device according to claim 2, itsFeature is: described upper angle cleat and lower angle cleat and angle clip junction are provided with bar hole, connectsBolt is fixed through bolt hole and bar hole respectively.
5. a kind of prefabricated assembled concrete structure seam deformation measuring device according to claim 1, itsFeature is: described upper angle cleat fixes by two connecting bolts and bending steel plate, described lower connectionAngle steel fixes by a connecting bolt and displacement meter base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521100424.1U CN205246050U (en) | 2015-12-24 | 2015-12-24 | Measuring device is warp to prefabricated prefabricated concrete structure seam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521100424.1U CN205246050U (en) | 2015-12-24 | 2015-12-24 | Measuring device is warp to prefabricated prefabricated concrete structure seam |
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| Publication Number | Publication Date |
|---|---|
| CN205246050U true CN205246050U (en) | 2016-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521100424.1U Withdrawn - After Issue CN205246050U (en) | 2015-12-24 | 2015-12-24 | Measuring device is warp to prefabricated prefabricated concrete structure seam |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105486274A (en) * | 2015-12-24 | 2016-04-13 | 山东省建筑科学研究院 | Prefabricated assembly type concrete structure seam deformation measurement device |
| CN108020198A (en) * | 2017-12-12 | 2018-05-11 | 湖南城市学院 | A kind of monitor with crack bending distortion measurement |
| CN108020199A (en) * | 2017-12-12 | 2018-05-11 | 湖南城市学院 | crack deformation monitoring instrument |
| CN108050984A (en) * | 2017-12-12 | 2018-05-18 | 湖南城市学院 | A kind of application method of the monitor with crack bending distortion measurement |
| CN108050985A (en) * | 2017-12-12 | 2018-05-18 | 湖南城市学院 | The application method of crack deformation monitoring instrument |
| CN110595342A (en) * | 2019-09-17 | 2019-12-20 | 中国十九冶集团有限公司 | Automatic measuring device for side slope crack displacement |
| CN114590728A (en) * | 2022-01-25 | 2022-06-07 | 江苏省送变电有限公司 | Detachable hydraulic drive device |
-
2015
- 2015-12-24 CN CN201521100424.1U patent/CN205246050U/en not_active Withdrawn - After Issue
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105486274A (en) * | 2015-12-24 | 2016-04-13 | 山东省建筑科学研究院 | Prefabricated assembly type concrete structure seam deformation measurement device |
| CN105486274B (en) * | 2015-12-24 | 2017-12-05 | 山东省建筑科学研究院 | A kind of prefabricated assembled concrete structure seam deformation measuring device |
| CN108020198A (en) * | 2017-12-12 | 2018-05-11 | 湖南城市学院 | A kind of monitor with crack bending distortion measurement |
| CN108020199A (en) * | 2017-12-12 | 2018-05-11 | 湖南城市学院 | crack deformation monitoring instrument |
| CN108050984A (en) * | 2017-12-12 | 2018-05-18 | 湖南城市学院 | A kind of application method of the monitor with crack bending distortion measurement |
| CN108050985A (en) * | 2017-12-12 | 2018-05-18 | 湖南城市学院 | The application method of crack deformation monitoring instrument |
| CN108050985B (en) * | 2017-12-12 | 2020-07-14 | 湖南城市学院 | Use method of crack deformation monitor |
| CN108050984B (en) * | 2017-12-12 | 2020-07-14 | 湖南城市学院 | Use method of monitor with crack bending deformation measurement function |
| CN108020199B (en) * | 2017-12-12 | 2020-08-14 | 湖南城市学院 | Crack deformation monitor |
| CN108020198B (en) * | 2017-12-12 | 2020-08-14 | 湖南城市学院 | Monitor with crack bending deformation measurement function |
| CN110595342A (en) * | 2019-09-17 | 2019-12-20 | 中国十九冶集团有限公司 | Automatic measuring device for side slope crack displacement |
| CN114590728A (en) * | 2022-01-25 | 2022-06-07 | 江苏省送变电有限公司 | Detachable hydraulic drive device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160518 Effective date of abandoning: 20171205 |