A kind of full grout sleeve anchorage length of steel bar detection device
Technical field
The present invention relates to the anchorage length detection field of reinforcing bar more particularly to a kind of full grout sleeve anchorage length of steel bar inspections
Survey device.
Background technique
Grout sleeve is by the assembly for sleeve, mating grouting material and the reinforcing bar assembling specially processed, and the technology of connection is former
Reason is: after reinforcing bar is inserted into sleeve, mating grouting material being poured into sleeve, full of the gap between sleeve and reinforcing bar, grouting material hardening
It tightly engages, and the effective force between reinforcing bar and sleeve, i.e., connects two reinforcing bars with reinforcing bar cross rib and sleeve lining formation afterwards
It is connected together.Sleeve grouting connector have many advantages, such as reliable performance, applicability extensively, simple installation.Grout sleeve interconnection technique is suitable
For engineering fields such as reinforced concrete structure, bridge structures.
The both ends of full grout sleeve connector are all made of grouting way connection reinforcing bar, and it is current that full grout sleeve applicability is wide
Most popular one kind sleeve grouting joint form, applies in general to the steel of vertical member (wall, column) and cross member (beam)
Muscle connection.
Anchorage length of steel bar refers to that suffered power is passed to concrete by the bonding of concrete and rebar by steel bar stress
Required length, if reinforcing steel bar bear cannot effectively pass to anchoring body without enough anchorage lengths, to guarantee reinforcing bar
Power transmission effect should specifically anchor condition to the shadow of adhesion strength according to the stress condition of reinforcing bar, protective layer thickness, reinforcing bar form etc.
It rings, the anchorage length of reinforcing bar is determined by code requirement.
The anchorage length of reinforcing bar is the key point of assembled arthitecutral structure quality control, is directly related to the entirety of building
Structure safety.Based on process control, construction site there is no specific detection method for the detection of anchorage length, lead to not determine
Whether the anchorage length of full grout sleeve reinforcing bar meets code requirement, and the stress of reinforcing bar is effectively passed to anchor to not can guarantee
Solid.
Summary of the invention
The purpose of the present invention is to provide a kind of full grout sleeve anchorage length of steel bar detection device, which can be realized entirely
It detects the construction site of grout sleeve anchorage length.
The present invention provides a kind of full grout sleeve anchorage length of steel bar detection devices, which is characterized in that including grout outlet,
Grouting mouth, upper member reinforcing bar, lower member reinforcing bar, rubber stopper, full grout sleeve, grouting material, direct-flow double bridge, test contact connect
Fitting, wherein the full grout sleeve includes prefabricated components end and situ configuration end, and the outer tip end at the prefabricated components end is set
It is equipped with the grout outlet, the outer lower end at the situ configuration end is provided with the grouting mouth, prefabricated components end medial roof
End is sealed by the rubber stopper;The upper member reinforcing bar and the lower member reinforcing bar are placed on the inside of the full grout sleeve,
There are cavity between the upper member reinforcing bar and the lower member reinforcing bar, the test connects part and is arranged in the cavity
Interior, the upper member reinforcing bar passes through conducting wire with the described one end of lower member reinforcing bar far from the cavity respectively and is connected to, the conducting wire
On be provided with the direct-flow double bridge.
Further, it is the first extension that the upper member reinforcing bar, which stretches out the prefabricated components end, is located at described pre-
It is the first reservation part inside member end processed, it is the second extension that the lower member reinforcing bar, which stretches out the situ configuration end,
Point, it is second to retain part inside the situ configuration end, the test contact connectio part is fixedly connected on described the
One retains on part;First extension is provided with the first tie point, and second extension is provided with the second connection
Point, the direct-flow double bridge are linked together by conducting wire and first tie point and the second tie point.
Using grouting connection type between prefabricated components end and upper member reinforcing bar, between situ configuration end and lower member reinforcing bar
Using grouting connection type;When factory-made component, by abrasive machine, the protective paint of upper member steel bar end is polished;Pacifying
Before dress, the reserved lower member in construction site is end reinforced to be also required to polish protective paint, with this guarantee upper and lower member reinforcing steel bar with
Test connects being reliably connected between part, and upper member reinforcing bar, lower member reinforcing bar, test is allowed to connect part and direct current both arms
Galvanic circle is formed between electric bridge, reduces the resistance between upper and lower member reinforcing steel bar and test contact connectio part.
Further, a kind of structure that the test connects part is only made of spring, when use the spring and institute
It states the first reservation part to be reliably connected, guarantees that the test during transportation and construction connects part and will not fall off.
Further, another structure that the test connects part is made of spring and reinforced cap, wherein the steel
Muscle cap is made of tagger, and the tagger thickness is about 1mm, and has screw thread, and the inside and surface of the reinforced cap exist
Described the first of screw thread retains part and connects, while the outboard end of the reinforced cap is attached with the spring, is guaranteed
Test described in transport and work progress connects part and will not fall off.
It is only to test dedicated that test, which connects part, does not undertake any load.Test connects part setting and is being in the milk entirely
Upper member reinforcing bar is connected together with lower member reinforcing bar with spring, has no effect on grouting quality by the inside of sleeve.
Further, the length when spring is non-telescope is L2+2mm, and wherein L2 is the length of the cavity.
The rigidity of spring is enough, guarantees that the position changing of the relative positions or deformation do not occur for spring in filling process.Once spring is filling
The position changing of the relative positions or deformation occur during slurry, it will causing upper and lower member reinforcing steel bar and test to connect between part cannot can
The connection leaned on, and then circuit breaker, direct-flow double bridge can not show resistance readings, be unfavorable for the detection of anchorage length.
Further, after the grouting material enters the full grout sleeve from the grouting mouth, the upper member reinforcing bar
The length contacted with the grouting material is the first anchorage length, and the length that the lower member reinforcing bar is contacted with the grouting material is the
Two anchorage lengths, second anchorage length are the anchorage length to be detected.
After grouting is completed and grouting material reaches some strength, by conducting wire by the first tie point and the second tie point and
Direct-flow double bridge links together.The length of full grout sleeve can measure, and the first anchorage length can be before construction according to specification
It is required that pre-setting.When execute-in-place, when the second anchorage length is the length for meeting code requirement, test connects part
It contacting with lower member reinforcing bar, whole device is a system at this time, and the external direct-flow double bridge can show resistance readings, this
The anchorage length of Shi Yaoqiu detection can be subtracted the anchorage length of upper member reinforcing bar by the length of full grout sleeve, then subtract cavity
It is obtained after length.
The beneficial effects of the present invention are:
Test proposed by the present invention connects part and the inside of full grout sleeve is arranged in, with spring by upper member reinforcing bar and
Lower member reinforcing bar connects together, and has no effect on grouting quality;The rigidity of spring is enough, guarantees that spring does not occur in filling process
The position changing of the relative positions or deformation.
After grouting is completed and the grouting material reaches some strength, connected by the first tie point described in conducting wire and second
Point and direct-flow double bridge link together, if upper member reinforcing bar and the anchorage length of lower member reinforcing bar are enough, test
Connecting part can contact with lower member reinforcing bar, and whole device is a system at this time, and external direct-flow double bridge can show electricity
Resistance reading.When direct-flow double bridge shows resistance readings, the circuit for illustrating that the present invention designs is switched on, because test connects
The rigidity of spring in part is enough, guarantees that the position changing of the relative positions or deformation do not occur for spring in filling process, circuit connection means
The length of cavity is the length set in advance according to code requirement at this time, then can pass through the length of the full grout sleeve of measurement
Degree, then subtracts the length of cavity at this time, then subtract the anchorage length of upper member reinforcing bar, so that it may detect the second anchorage length
It whether is the anchorage length for meeting code requirement.
What the present invention used is the method that measures indirectly to detect the anchorage length of full grout sleeve reinforcing bar, in this approach may be used
Judge whether anchorage length of steel bar is enough inside full grout sleeve, connects to realize and pour the above assembled architecture of thickness 300mm
The on-site test of the full grout sleeve anchorage length of steel bar of connection member.
Detailed description of the invention
The following further describes the present invention with reference to the drawings.
Fig. 1 is a kind of structural schematic diagram of full grout sleeve anchorage length of steel bar detection device of the present invention;
Fig. 2 is the case study on implementation one that test of the present invention connects part;
Fig. 3 is the case study on implementation two that test of the present invention connects part.
In figure: 1- grout outlet, 2- grouting mouth, 3- upper member reinforcing bar, 4- lower member reinforcing bar, 5- rubber stopper, 6- are in the milk set entirely
Cylinder, 7- grouting material, 8- direct-flow double bridge, 9- test contact connectio part, 91- spring, 92- reinforced cap, 10- cavity, 61- are prefabricated
Member end, 62- situ configuration end, the first extension of 31-, 32- first retain part, the second extension of 41-, 42- second
Retain part, the first tie point of 301-, the second tie point of 401-.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1~3 are please referred to, the purpose of the present invention is to provide a kind of full grout sleeve anchorage length of steel bar detection device,
It is characterised in that it includes grout outlet 1, grouting mouth 2, upper member reinforcing bar 3, lower member reinforcing bar 4, rubber stopper 5, full grout sleeve 6, filling
Slurry 7, direct-flow double bridge 8, test connect part 9, wherein the full grout sleeve 6 is including prefabricated components end 61 and now
Field configuration end 62, the outer tip end at the prefabricated components end 61 are provided with the grout outlet 1, the outside at the situ configuration end 62
Bottom end is provided with the grouting mouth 2, and the 61 inside top of prefabricated components end is sealed by the rubber stopper 5;The upper member steel
Muscle 3 and the lower member reinforcing bar 4 are placed on the inside of the full grout sleeve 6, the upper member reinforcing bar 3 and the lower member steel
There are cavity 10 between muscle 4, the test connects part 9 and is arranged in the cavity 10, the upper member reinforcing bar 3 and described
The one end of lower member reinforcing bar 4 far from the cavity 10 is connected to by conducting wire respectively, is provided with the direct current both arms on the conducting wire
Electric bridge 8.
It is the first extension 31 that the upper member reinforcing bar 3, which stretches out the prefabricated components end 61, is located at the prefabricated structure
It is the first reservation part 32 inside part end 61, it is the second stretching that the lower member reinforcing bar 4, which stretches out the situ configuration end 62,
Part 41, is the second reservation part 42 inside the situ configuration end 62, and the test connects part 9 and is fixedly connected
Retain on part 32 described first;First extension 31 is provided with the first tie point 301, second extension
41 are provided with the second tie point 401, and the direct-flow double bridge 8 is connect by conducting wire with first tie point 301 and second
Point 401 links together.
Using grouting connection type, situ configuration end 62 and lower member steel between prefabricated components end 61 and upper member reinforcing bar 3
Using grouting connection type between muscle 4;When factory-made component, by abrasive machine, the protective paint of 3 end of upper member reinforcing bar is ground
Light;Before the mounting, reserved 4 end of lower member reinforcing bar in construction site is also required to polish protective paint, guarantees upper and lower structure with this
Part reinforcing bar and test connect being reliably connected between part 9, and upper member reinforcing bar 3, lower member reinforcing bar 4, test is allowed to connect
Galvanic circle is formed between part 9 and direct-flow double bridge 8, reduces the electricity between upper and lower member reinforcing steel bar and test contact connectio part 9
Resistance.
Test connects part 9 and links together there are two types of mode with upper member reinforcing bar 3 or lower member reinforcing bar 4, a kind of
Mode is will to test to connect on the upper member reinforcing bar 3 after part 9 is connected to polishing, then prefabricated together with full grout sleeve 6;
Another way is will to test contact connectio part 9 to connect with lower member reinforcing bar at the construction field (site).
A kind of structure that the test connects part 9 is only made of spring 91, and the spring 91 retains with described first
Part 32 is reliably connected, and guarantees that the test during transportation and construction connects part and will not fall off.
Another structure that the test connects part 9 is made of spring 91 and reinforced cap 92, wherein the reinforced cap
92 are made of tagger, and the tagger thickness is about 1mm, and have screw thread, and the inside and surface of the reinforced cap 92 exist
The upper member reinforcing bar 3 of screw thread connects, while the outboard end of the reinforced cap 92 is attached with the spring 91, guarantees
The test connects part and will not fall off during transportation and construction.
It is only to test dedicated that test, which connects part 9, does not undertake any load, test connects the setting of part 9 and filling entirely
The inside for starching sleeve 6, upper member reinforcing bar 3 is connected together, have no effect on grouting quality with spring 91 with lower member reinforcing bar 4.
The length when spring 91 is non-telescope is L2+2mm, and wherein L2 is the length of the cavity 10.
The rigidity of spring is enough, guarantees that the position changing of the relative positions or deformation do not occur for spring in filling process.Once spring is filling
The position changing of the relative positions or deformation occur during slurry, it will causing upper and lower member reinforcing steel bar and test to connect between part cannot can
The connection leaned on, and then circuit breaker, direct-flow double bridge can not show resistance readings, be unfavorable for the detection of anchorage length.
When the grouting material 7 from the grouting mouth 2 enter full grout sleeve 6 after, the upper member reinforcing bar 3 with it is described
The length that grouting material 7 contacts is the first anchorage length, and the length that the lower member reinforcing bar 4 is contacted with the grouting material 7 is second
Anchorage length, second anchorage length are the anchorage length to be detected.
After grouting is completed and grouting material reaches some strength, by conducting wire by the first tie point and the second tie point and
Direct-flow double bridge links together.The length of full grout sleeve can measure, and the first anchorage length can be before construction according to specification
It is required that pre-setting.When execute-in-place, when the second anchorage length is the length for meeting code requirement, test connects part
It contacting with lower member reinforcing bar, whole device is a system at this time, and the external direct-flow double bridge can show resistance readings, this
The anchorage length of Shi Yaoqiu detection can be subtracted the anchorage length of upper member reinforcing bar by the length of full grout sleeve, then subtract cavity
It is obtained after length.
The working principle of the invention is:
Test proposed by the present invention connects part and the inside of full grout sleeve is arranged in, with spring by upper member reinforcing bar and
Lower member reinforcing bar connects together, and has no effect on grouting quality;The rigidity of spring is enough, guarantees that spring does not occur in filling process
The position changing of the relative positions or deformation.
After grouting is completed and the grouting material reaches some strength, connected by the first tie point described in conducting wire and second
Point and direct-flow double bridge link together, if upper member reinforcing bar and the anchorage length of lower member reinforcing bar are enough, test
Connecting part can contact with lower member reinforcing bar, and whole device is a system at this time, and external direct-flow double bridge can show electricity
Resistance reading.When direct-flow double bridge shows resistance readings, the circuit for illustrating that the present invention designs is switched on, because test connects
The rigidity of spring in part is enough, guarantees that the position changing of the relative positions or deformation do not occur for spring in filling process, circuit connection means
The length of cavity is the length set in advance according to code requirement at this time, then can pass through the length of the full grout sleeve of measurement
Degree, then subtracts the length of cavity at this time, then subtract the anchorage length of upper member reinforcing bar, so that it may detect lower member reinforcing bar
Whether anchorage length is the anchorage length for meeting code requirement.
What the present invention used is the method that measures indirectly to detect the anchorage length of full grout sleeve reinforcing bar, in this approach may be used
Judge whether anchorage length of steel bar is enough inside full grout sleeve, connects to realize and pour the above assembled architecture of thickness 300mm
The on-site test of the full grout sleeve anchorage length of steel bar of connection member.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.