CN205049465U - Simple and easy survey concrete and device of steel bar anchoring bearing capacity - Google Patents
Simple and easy survey concrete and device of steel bar anchoring bearing capacity Download PDFInfo
- Publication number
- CN205049465U CN205049465U CN201520820840.2U CN201520820840U CN205049465U CN 205049465 U CN205049465 U CN 205049465U CN 201520820840 U CN201520820840 U CN 201520820840U CN 205049465 U CN205049465 U CN 205049465U
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- reinforcing bar
- concrete
- steel plate
- displacement meter
- concrete sample
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Abstract
The utility model discloses a simple and easy survey concrete and device of steel bar anchoring bearing capacity, including loading frame, concrete sample, reinforcing bar, PVC pipe, displacement meter, force transducer, hydraulic jack, oil pump, static signal test analytic system and computer, the loading frame is by the upper portion steel sheet, the lower part steel sheet, and high strength bolt constitutes, and the concrete sample middle part is provided with the reinforcing bar, and the round hole that upper portion steel sheet middle part set up is passed to the upper end of reinforcing bar, and displacement meter and force transducer are arranged respectively to the upper end and the lower extreme of reinforcing bar, and hydraulic jack is arranged to force transducer's below, and displacement meter and force transducer link to each other with static signal test analytic system, and it is continuous with the computer that static signal tests analytic system, the part that the reinforcing bar is located the concrete sample has the PVC pipe at its both ends cover. The device of the utility model is simple in structure, it is convenient to dismantle, and collecting layers and instrument are few, not only are applicable to the scientific research, is applicable to job site reinforcing bar and the test of concrete bond property moreover.
Description
Technical field
The utility model relates to a kind of device of easy mensuration concrete and rebar anchoring bearing capacity, belongs to concrete construction field.
Background technology
Adhesive property between reinforcing bar and concrete is reinforcing bar and the concrete bi-material composition cooperative basis of component, also be that reinforced concrete structure carries stressed prerequisite, this effect makes can realize Stress transmit between reinforcing bar and concrete, thus in reinforcing bar and concrete, set up the necessary working stress of structural bearing.
Device many employings drawing type of current mensuration reinforcing bar and Bond Performance Between Concrete, drawing type test method will use Material Testing Machine, and device is complicated.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned the deficiencies in the prior art, provides a kind of device of easy mensuration concrete and rebar anchoring bearing capacity.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of device of easy mensuration concrete and rebar anchoring bearing capacity, comprises loading frame, concrete sample, reinforcing bar, pvc pipe, displacement meter, force snesor, hydraulic jack, oil pump, stationary singnal detecting and analysing system and computing machine;
Described loading frame is made up of top steel plate, lower steel plate, high-strength bolt and nut; A circular hole is provided with in the middle part of the steel plate of top; Be provided with the reinforcing bar that runs through concrete sample in the middle part of described concrete sample, the circular hole of top steel plate is passed in the upper end of reinforcing bar, and displacement meter is installed in the end of reinforcing bar upper end, and the head of displacement meter is connected with top steel plate by steel wire; Displacement meter is connected with described stationary singnal detecting and analysing system by wire; Force snesor is arranged in the lower end of reinforcing bar, and force snesor is connected with described stationary singnal detecting and analysing system by signal wire, and stationary singnal detecting and analysing system is connected with described computing machine; The arranged beneath hydraulic jack of force snesor; Hydraulic jack is connected with described oil pump by oil pipe; The part that reinforcing bar is positioned at concrete sample has pvc pipe, together with intermediate portion is cast in concrete sample at its two ends cover.
Further, the lower end welding cylindrical body steel cushion block of described reinforcing bar, force snesor is arranged in outside right cylinder steel cushion block, force snesor arranged beneath hydraulic jack.
Further, the diameter 0.5-1cm larger than the diameter of reinforcing bar of the circular hole arranged in the middle part of the steel plate of top.
The beneficial effects of the utility model: the utility model adopts self-control loading frame, vertical load is applied by hydraulic jack, convenient and swift, required test site is little, material requested and instrument few, be not only applicable to scientific research, and be applicable to the adhesive property between working-yard research reinforcing bar and concrete.
Accompanying drawing explanation
Fig. 1 is the single unit system figure of the utility model proving installation.
Embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is elaborated.
As shown in Figure 1, for the device of a kind of easy mensuration concrete and rebar anchoring bearing capacity of the present utility model, comprise loading frame, concrete sample 6, reinforcing bar 5, pvc pipe 14, displacement meter 16, force snesor 7, hydraulic jack 8, oil pump 13, stationary singnal detecting and analysing system 10 and computing machine 11;
Loading frame is made up of top steel plate 1, lower steel plate 3, high-strength bolt 2 and nut 4; A circular hole (not shown in FIG.) is provided with in the middle part of top steel plate 1; Be provided with the reinforcing bar 5 that runs through concrete sample 6 in the middle part of concrete sample 6, the circular hole of top steel plate 1 is passed in the upper end of reinforcing bar 5, and displacement meter 16 is installed in the end of reinforcing bar 5 upper end, and the head of displacement meter 16 is connected with top steel plate 1 by steel wire 18; Displacement meter 16 is connected with stationary singnal detecting and analysing system 10 by wire 17; Force snesor 7 is arranged in the lower end of reinforcing bar 5, and force snesor 7 is connected with stationary singnal detecting and analysing system 10 by signal wire 9, and stationary singnal detecting and analysing system 10 is connected with computing machine 11; The arranged beneath hydraulic jack 8 of force snesor 7; Hydraulic jack 8 is connected with oil pump 13 by oil pipe 12; The part that reinforcing bar 5 is positioned at concrete sample 6 has pvc pipe 14 at its two ends cover, reduces the impact of local compression on reinforcing bar 5 and concrete sample 6 bond bearing capacity, together with intermediate portion is cast in concrete sample 6.
In the present embodiment, the lower end welding cylindrical body steel cushion block 15 of reinforcing bar 5, when being used for preventing extruding from releasing reinforcing bar 5, reinforcing bar 5 flexing; Force snesor 7 is arranged in outside right cylinder steel cushion block 15, force snesor 7 arranged beneath hydraulic jack 8.
In the present embodiment, the diameter 0.5-1cm larger than the diameter of reinforcing bar of the circular hole arranged in the middle part of the steel plate of top.
Adopt the easy assay method measuring the device of concrete and rebar anchoring bearing capacity, comprise the steps:
A) build test specimen: hole in the middle part of side form template, reinforcing bar 5 is penetrated in die trial, and put pvc pipe 14, pvc pipe 14 is arranged in two side form ends;
B) loading frame is assembled: top steel plate 1, lower steel plate 3 are coupled together by high-strength bolt 2 and nut 4, and tightened;
C) charger is assembled: penetrated on the top of reinforcing bar 5 in concrete sample 6 in top steel plate 1 circular hole reserved in advance, right cylinder steel cushion block 15 in reinforcing bar 5 bottom is outer arranges force snesor 7 and hydraulic jack 8, adjustment position, test specimen centering, by oil pump 13 pairs of hydraulic jack 8 load applications, make charger just clamp test block, arrange displacement meter 16;
D) connecting test device: displacement meter 16, force snesor 7 are connected with stationary singnal analytic system 10, stationary singnal analytic system 10 connects computing machine 11;
E) open stationary singnal detecting and analysing system 10, zeroing, applies vertical load by hydraulic jack 8; Stationary singnal detecting and analysing system 10 records load P (t) during relative displacement Δ S (t) and the test specimen destruction of reinforcing bar 5 in loading procedure, can obtain load-displacement curve according to Δ S (t) and P (t).
In the present embodiment, during test, coating butter between concrete sample 6 and top steel plate 1, reduces top steel plate 1 and directly rubs on the impact of test findings with concrete sample 6.
More than show and describe ultimate principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and instructions just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (3)
1. the easy device measuring concrete and rebar anchoring bearing capacity, is characterized in that: comprise loading frame, concrete sample, reinforcing bar, pvc pipe, displacement meter, force snesor, hydraulic jack, oil pump, stationary singnal detecting and analysing system and computing machine;
Described loading frame is made up of top steel plate, lower steel plate, high-strength bolt and nut; A circular hole is provided with in the middle part of the steel plate of top; Be provided with the reinforcing bar that runs through concrete sample in the middle part of described concrete sample, the circular hole of top steel plate is passed in the upper end of reinforcing bar, and displacement meter is installed in the end of reinforcing bar upper end, and the head of displacement meter is connected with top steel plate by steel wire; Displacement meter is connected with described stationary singnal detecting and analysing system by wire; Force snesor is arranged in the lower end of reinforcing bar, and force snesor is connected with described stationary singnal detecting and analysing system by signal wire, and stationary singnal detecting and analysing system is connected with described computing machine; The arranged beneath hydraulic jack of force snesor; Hydraulic jack is connected with described oil pump by oil pipe; The part that reinforcing bar is positioned at concrete sample has pvc pipe, together with intermediate portion is cast in concrete sample at its two ends cover.
2. the device of a kind of easy mensuration concrete and rebar anchoring bearing capacity according to claim 1, it is characterized in that: the lower end welding cylindrical body steel cushion block of described reinforcing bar, force snesor is arranged in outside right cylinder steel cushion block, force snesor arranged beneath hydraulic jack.
3. the device of a kind of easy mensuration concrete and rebar anchoring bearing capacity according to claim 1, is characterized in that: the diameter 0.5-1cm larger than the diameter of reinforcing bar of the circular hole arranged in the middle part of the steel plate of top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520820840.2U CN205049465U (en) | 2015-10-21 | 2015-10-21 | Simple and easy survey concrete and device of steel bar anchoring bearing capacity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520820840.2U CN205049465U (en) | 2015-10-21 | 2015-10-21 | Simple and easy survey concrete and device of steel bar anchoring bearing capacity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205049465U true CN205049465U (en) | 2016-02-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520820840.2U Expired - Fee Related CN205049465U (en) | 2015-10-21 | 2015-10-21 | Simple and easy survey concrete and device of steel bar anchoring bearing capacity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205049465U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105181588A (en) * | 2015-10-21 | 2015-12-23 | 江苏城市职业学院 | Device for determining adhesive property of steel bars and concrete in extruding manner and testing method of device |
| CN113466055A (en) * | 2021-07-21 | 2021-10-01 | 中铁二十四局集团有限公司 | Loading device for thermal induction concrete peeling test and using method thereof |
-
2015
- 2015-10-21 CN CN201520820840.2U patent/CN205049465U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105181588A (en) * | 2015-10-21 | 2015-12-23 | 江苏城市职业学院 | Device for determining adhesive property of steel bars and concrete in extruding manner and testing method of device |
| CN113466055A (en) * | 2021-07-21 | 2021-10-01 | 中铁二十四局集团有限公司 | Loading device for thermal induction concrete peeling test and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20160224 Termination date: 20181021 |