CN204177680U - A kind of large span laced beam steel pipe full framing pre-compression test pressure testing water tank - Google Patents
A kind of large span laced beam steel pipe full framing pre-compression test pressure testing water tank Download PDFInfo
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- CN204177680U CN204177680U CN201420561073.3U CN201420561073U CN204177680U CN 204177680 U CN204177680 U CN 204177680U CN 201420561073 U CN201420561073 U CN 201420561073U CN 204177680 U CN204177680 U CN 204177680U
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Abstract
The utility model discloses a kind of large span laced beam steel pipe full framing pre-compression test pressure testing water tank, comprise the casing (2) be located on full hall frame (1), casing (2) inwall is provided with water barrier (3), sockets between the panel that casing (2) Width is relative through one group of uniform waterproof docking screw rod (4); Casing (2) bottom is provided with one group of uniform quarter butt (5), and casing (2) outside is provided with one group of uniform in length and breadth vertical pole (6) and cross bar (7); Casing (2) Width both sides are provided with hound (8).The utility model adopts water as test load, and the load due to water is evenly load, can be good at the weight simulating crossbeam.Because test material is water, even if unsuccessful test also engineering accident can not occur, security is high.Verify that the test findings that method of the present utility model obtains is with a high credibility by test of many times and Force Calculation, well solve the problem that classic method cannot carry out large span laced beam steel pipe full framing pre-compression test.
Description
Technical field
the utility model relates to a kind of large span laced beam steel pipe full framing pre-compression test pressure testing water tank, belongs in building operation steel pipe full framing pre-compression test technical field.
Background technology
in construction work, as the building such as auditorium, conference and exhibition center is greater than 30 meters by normal span, highly more than 25 meters, its framework often adopts frame-shear structure.Crossbeam in frame-shear structure is generally the larger laced beam of span.Full framing need be set up on ground in construction, then on the relevant position of full framing, build crossbeam.General operating process is first set up full framing according to the load of frame-shear structure, and then carry out beam to build.After putting up full framing, in order to check the bearing capacity of full framing, rigidity and stability, need to carry out pre-compression test to full framing, to prevent the crossbeam generation sedimentation after building, guarantee that crossbeam does not occur excessive tension in casting process at the scene and produces crack.
tradition preloading method generally has following several: 1. adopt the precompressed of prefabricated reinforced concrete block; 2. sandbag precompressed is stacked; 3. bar material precompressed; Said method all exists that lifting workload is large, and precompression is uneven, cannot pressure that is virtually reality like reality; Easily there is very easily unstability in pressure testing process and cause the problem of engineering accident.
Utility model content
the purpose of this utility model is, provides a kind of large span laced beam steel pipe full framing pre-compression test pressure testing water tank, to solve conventional construction method lifting workload technical matters that is large, easily unstability, thus overcomes the deficiencies in the prior art.
the technical solution of the utility model forms like this:
a kind of large span laced beam steel pipe full framing pre-compression test pressure testing water tank of the present utility model is, this pressure testing water tank comprises the casing be located on full hall frame, cabinet wall is provided with water barrier, sockets between the panel that casing Width is relative through one group of uniform waterproof docking screw rod; Bottom half is provided with one group of uniform quarter butt, is provided with one group of uniform in length and breadth vertical pole and cross bar outside casing; Casing Width both sides are provided with hound.
in aforementioned pressure testing water tank, described hound along casing length and short transverse uniform, the upper fulcrum of hound is fixedly connected with the intersection point of cross bar with the vertical pole outside casing, and the lower fulcrum of hound is fixedly connected with full hall frame.
aforementioned pressure testing water tank, described quarter butt 5 is vertically uniform; The spacing in vertical pole and cross bar direction is in length and breadth 450 ~ 550mm; The spacing of hound horizontal direction is corresponding with vertical pole horizontal spacing, and hound is equidistantly divided into upper, middle and lower three layers along box height; The inclination angle beta of hound is 45 ~ 60 degree.
owing to have employed technique scheme, the utility model compared with prior art, the utility model adopts water as test load, load due to water is evenly load, can be good at the weight simulating crossbeam, as long as the weight of water is identical with the weight of crossbeam in water tank in test, and ensures the stability of water tank self, testing requirements can be reached.The utility model structure is simple, reasonable stress, and because test material is water, even if unsuccessful test also engineering accident can not occur, security is high.Verify that the test findings that method of the present utility model obtains is with a high credibility by test of many times and Force Calculation, well solve the problem that classic method cannot carry out large span laced beam steel pipe full framing pre-compression test, it is over half to save experimentation cost.
Accompanying drawing explanation
fig. 1 is structural representation of the present utility model;
fig. 2 is the front view of Fig. 1;
fig. 3 is the side view of Fig. 1;
fig. 4 is the vertical view of Fig. 1.
full hall frame 1, the 2-casing of being labeled as in accompanying drawing: 1-, 3-water barrier, 4-waterproof docking screw rod, 5-quarter butt, 6-vertical pole, 7-cross bar, 8-hound.
Embodiment
below in conjunction with drawings and Examples, the utility model is described in further detail, but not as to any restriction of the present utility model.
the utility model is constructed by a kind of following large span laced beam steel pipe full framing pre-compression test method, as Figure 1-4, the method is the weight first calculating crossbeam according to the length, width and height computing method routinely of building crossbeam in advance, then on full framing, set up the pressure testing water tank that length and width are corresponding or equal with crossbeam length and width, and make the weight of the water filled in water tank corresponding with the weight of crossbeam or equal, like this can according to the height of the weight determination pressure testing water tank of Water in Water Tanks; Then topped up with water in water tank, so namely carries out pre-compression test by water tank to large span laced beam steel pipe full framing, namely passes through the bearing capacity of hydraulic testing full framing, rigidity and stability.The casing of water tank adopts thickness to be greater than 15mm, and elastic modulus is greater than 5000N/mm
2
, bending strength is greater than 13 N/mm
2
scale board overlap joint form; Water tank inside surface lays waterproof material; The waterproof docking screw rod that water tank Width adopts diameter to be greater than 13mm sockets; The outside of pressure testing water tank adopts the steel pipe of Φ 48.3 × 2.8mm to carry out vertical and horizontal reinforcing, and the both sides along water tank length direction adopt the equidistant diagonal brace of Φ 48.3 × 2.8mm steel pipe.Angle between steel pipe diagonal brace and ground is 30 ~ 45 degree, steel pipe diagonal brace is divided into upper, middle and lower three layers along short transverse, the upper fulcrum of upper strata steel pipe is positioned at tank top, and the upper fulcrum of middle level steel pipe is positioned at water tank 2/3 At The Height, and the upper fulcrum of lower floor's steel pipe is positioned at water tank 1/3 At The Height; The lower fulcrum of steel pipe is fixedly connected with full framing.
according to said method form of the present utility model a kind of large span laced beam steel pipe full framing pre-compression test pressure testing water tank structural representation as Figure 1-4, this pressure testing water tank comprises the casing 2 be located on full hall frame 1, casing 2 inwall is provided with water barrier 3, sockets between the panel that casing 2 Width is relative through one group of uniform waterproof docking screw rod 4; Be provided with one group of uniform quarter butt 5 bottom casing 2, outside casing 2, be provided with one group of uniform in length and breadth vertical pole 6 and cross bar 7; Casing 2 Width both sides are provided with hound 8.Hound 8 along casing 2 length and short transverse uniform, the upper fulcrum of hound 8 is fixedly connected with the intersection point of cross bar 7 with the vertical pole 6 outside casing 2, and the lower fulcrum of hound 8 is fixedly connected with full hall frame 1.Quarter butt 5 is vertically uniform.The spacing in vertical pole 6 and cross bar 7 direction is in length and breadth 450 ~ 550mm; The spacing of hound 8 horizontal direction is corresponding with vertical pole 6 horizontal spacing, and hound 8 is highly equidistantly divided into upper, middle and lower three layers along casing 2; The inclination angle beta of hound 8 is 45 ~ 60 degree.
Embodiment
this example, for crossbeam section 800 × 3000mm, through the conversion to prefabricating load, is determined that head height is 5.2m, is therefore determined that tank size is 800 × 5200 × 30000 mm.Specific construction as Figure 1-4.Concrete steps are as follows:
1, first full hall frame 1 is set up according to a conventional method according to beam height
2, then at the design attitude full hall frame 1 of quarter butt 5 local stiffening of crossbeam
reinforcement means is that quarter butt 5 is vertically distributed on the bottom of building beam design position in advance, and according to crossbeam bed-plate dimension 800 × 30000 mm, quarter butt 5 arranges two in the width direction, and spacing is 500mm, and quarter butt 5 is 150mm apart from widthwise edges distance.Quarter butt 5 arranges 59 along its length, and spacing is 500mm, and edge quarter butt 5 distance degree Edge Distance is 250mm.Quarter butt 5 is connected with full hall frame 1 by cross pipe clamp, and quarter butt 5 adopts Φ 48.3 × 2.8mm steel pipe, quarter butt 5 overhead height should be kept consistent, to guarantee that water tank bottom is in horizontality during fixing short tube 5.
3, vertical pole 6 is set up
vertical pole 6 adopts Φ 48.3 × 2.8mm steel pipe, vertical pole 6 is uniform along pressure testing tank circumference, distance between two row vertical pole edges of pressure testing water tank Width is thickness 15 × 2mm that beam width 800mm adds that twice forms tank box scale board, equals 830mm, and two row's vertical poles are uniform by spacing 500mm.Distance between two row vertical pole edges of pressure testing water tank Width is thickness 15 × 2mm that crossbeam length 30000mm adds that twice forms tank box scale board, equals 30030mm, and two row's vertical poles are uniform by spacing 500mm.Vertical pole 6 lower end is connected with full hall frame 1 through cross pipe clamp.
4, cross bar 7 is set up
cross bar 7 adopts Φ 48.3 × 2.8mm steel pipe, and cross bar 7 is connected with vertical pole 6 along tank height direction by spacing 500mm.
5, hound 8 is set up
hound 8 is divided into upper, middle and lower three layers along tank height, and the upper extreme point of upper strata hound is connected with vertical pole 6 top, and the upper extreme point of middle level hound is connected with 2/3 position of vertical pole 6 height, and the upper extreme point of lower floor's hound is connected with 1/3 position of vertical pole 6 height.The lower extreme point of three layers of hound all tilts to be connected with full hall frame 1, and as shown in Figure 2, angle beta is 60 degree to inclination angle beta.Three layers of hound are simultaneously evenly distributed by interval 500mm along water tank length direction.
6, tank box 2 is set up
the base plate of casing 2 is laid on quarter butt 5 also fixing, two of casing length direction blocks of side plates is placed on box bottom both sides, then the two end plates of casing length direction is also placed on box bottom two ends, and clamp two end plates by biside plate.By temporary fixed for four blocks of side plates.
7, water-proofing treatment is carried out to casing 2 inside surface
in casing, be coated with one deck marine glue, and paste one deck waterproofing membrane, carry out water-proofing treatment.
8, casing 2 is reinforced
strained by the biside plate of casing length direction with one group of waterproof docking screw rod 4, longitudinal pitch and the horizontal spacing of waterproof docking screw rod 4 are 500mm, to guarantee that casing can bear the immense pressure of high water head to casing.
9, the pressure-bearing test of full hall frame 1 is carried out to water filling in casing 2
by water pump to water filling in casing 2, inject the weight of water and equal or slightly larger than the design weight of crossbeam, keep certain hour.This time equals the complete consolidation time of concrete.
10, the stability of the full hall frame 1 of inspection
when checking whether full hall frame 1 has a distortion under predetermined hydraulic pressure, can determine whether the rigidity of full hall frame 1 and stability can reach designing requirement.Set up surveying instrument in corresponding position during concrete inspection, measured in strict accordance with " steel pipe full framing prestressing technology code ", determine whether the rigidity of full hall frame 1 and stability meet standard-required according to measurement data.
above-mentioned example is that a specific implementation process of the present utility model belongs to a routine scope.Only for understanding of the present utility model, not as to any restriction of the present utility model.
method of the present utility model, adopt water as test load, the load due to water is evenly load, can be good at the weight simulating crossbeam, as long as the weight of water is identical with the weight of crossbeam in water tank in test, and ensures the stability of water tank self, testing requirements can be reached.The utility model structure is simple, reasonable stress, and because test material is water, even if unsuccessful test also engineering accident can not occur, security is high.Verify that the test findings that method of the present utility model obtains is with a high credibility by test of many times and Force Calculation, well solve the problem that classic method cannot carry out large span laced beam steel pipe full framing pre-compression test, it is over half to save experimentation cost.
Claims (3)
1. a large span laced beam steel pipe full framing pre-compression test pressure testing water tank, it is characterized in that: comprise the casing (2) be located on full hall frame (1), casing (2) inwall is provided with water barrier (3), sockets between the panel that casing (2) Width is relative through one group of uniform waterproof docking screw rod (4); Casing (2) bottom is provided with one group of uniform quarter butt (5), and casing (2) outside is provided with one group of uniform in length and breadth vertical pole (6) and cross bar (7); Casing (2) Width both sides are provided with hound (8).
2. large span laced beam steel pipe full framing pre-compression test pressure testing water tank according to claim 1, it is characterized in that: described hound (8) along casing (2) length and short transverse uniform, the upper fulcrum of hound (8) is fixedly connected with the intersection point of cross bar (7) with the vertical pole (6) in casing (2) outside, and the lower fulcrum of hound (8) is fixedly connected with full hall frame (1).
3. large span laced beam steel pipe full framing pre-compression test pressure testing water tank according to claim 2, is characterized in that: described quarter butt (5) is vertically uniform; The spacing in vertical pole (6) and cross bar (7) direction is in length and breadth 450 ~ 550mm; The spacing of hound (8) horizontal direction is corresponding with vertical pole (6) horizontal spacing, and hound (8) is highly equidistantly divided into upper, middle and lower three layers along casing (2); The inclination angle beta of hound (8) is 45 ~ 60 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420561073.3U CN204177680U (en) | 2014-09-28 | 2014-09-28 | A kind of large span laced beam steel pipe full framing pre-compression test pressure testing water tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420561073.3U CN204177680U (en) | 2014-09-28 | 2014-09-28 | A kind of large span laced beam steel pipe full framing pre-compression test pressure testing water tank |
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| CN204177680U true CN204177680U (en) | 2015-02-25 |
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| CN201420561073.3U Expired - Fee Related CN204177680U (en) | 2014-09-28 | 2014-09-28 | A kind of large span laced beam steel pipe full framing pre-compression test pressure testing water tank |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105527168A (en) * | 2014-09-28 | 2016-04-27 | 贵州中建建筑科研设计院有限公司 | Large-span open-web beam steel pipe full bracket pre-pressing test method and pressure test water tank thereof |
-
2014
- 2014-09-28 CN CN201420561073.3U patent/CN204177680U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105527168A (en) * | 2014-09-28 | 2016-04-27 | 贵州中建建筑科研设计院有限公司 | Large-span open-web beam steel pipe full bracket pre-pressing test method and pressure test water tank thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150225 Termination date: 20190928 |