CN215177578U

CN215177578U - Green energy-saving prefabricated column with deformation perception nerves

Info

Publication number: CN215177578U
Application number: CN202120875729.9U
Authority: CN
Inventors: 彭宇; 张晓添; 陈昊; 黄春霞; 刘晓凡
Original assignee: Suzhou Jietong Building Industry Co ltd
Current assignee: Suzhou Jietong Building Industry Co ltd
Priority date: 2021-04-27
Filing date: 2021-04-27
Publication date: 2021-12-14
Anticipated expiration: 2031-04-27

Abstract

The utility model discloses a green energy-conserving prefabricated post with it is neural to warp perception, including the concrete body, concrete body bottom is provided with a plurality of sleeves, sleeve and a plurality of vertical bar connection, vertical bar stretches out concrete body top setting, pre-buried angle steel and line box on at least one surface of concrete body, angle steel one end is contradicted with the line box and is connected, it is provided with the ribbed steel bar to all weld on two internal surfaces of angle steel, the interior contained angle department of angle steel is pasted and is had the optic fibre that meets an emergency, the optic fibre one end that meets an emergency is passed through signal optic fibre and is connected with signal connector, signal optic fibre all sets up in the line box with signal connector, the V type inslot of angle steel still is provided with the packing concrete, the packing concrete surface flushes with concrete body surface. The utility model discloses a to the ingenious encapsulation of sensing optic fibre, under the prerequisite of guaranteeing the deformation perception ability, satisfy the optic fibre and change the demand.

Description

Green energy-saving prefabricated column with deformation perception nerves

Technical Field

The utility model relates to an assembled component technical field, concretely relates to green energy-conserving prefabricated post with it is neural to warp perception.

Background

Compared with the traditional cast-in-place structure, the prefabricated concrete structure has the advantages of energy conservation and emission reduction, environmental protection, high industrialization level, quick installation and construction, reduction of labor cost and the like, improves the defects of low labor productivity, low technical innovation and low building quality of the building industry at the present stage of China, and is vigorously developed in China in recent years. The prefabricated concrete structure is an integral structure formed by connecting precast concrete components through cast-in-place concrete. As the assembly type concrete structure in China starts late, the production technology is not mature enough, and the safety problem of the assembly type building is always questioned by the public.

The safety of the concrete precast column serving as the most important structural member for assembling the integral structure directly concerns the safety of the whole structure, and if the concrete precast column can be subjected to regular physical examination to monitor the working performance of the concrete precast column, the public worry can be well eliminated, and the safety of a building is guaranteed.

In the existing concrete structure monitoring technology, an optical fiber technology is often used, and an FBG (fiber Bragg Grating) optical fiber demodulator is connected with an optical fiber to carry out single-end measurement. In the cast-in-place structure, before concrete pouring, the optical fiber is bound on the steel bar by using a binding wire or a binding belt, and then cast-in-place molding can be carried out, the whole laying structure of the optical fiber is integrally completed on site, the damage is not easy to occur, and the quality is reliable; the concrete prefabricated column is prefabricated in a factory, and after the optical fiber is implanted, the problems of dragging, damage and the like easily occur in links such as transportation and assembly, so that the sensing function is invalid, an effective scheme for using the optical fiber on a prefabricated part does not exist at present, particularly, how to repair the implanted optical fiber after the optical fiber is damaged cannot be solved, and the function of the prefabricated column can be continuously realized without necrosis. The prefabricated sensing column loses the safety monitoring capability, and on one hand, the product is unqualified, so that loss is brought to a component factory; on the other hand, the monitoring network arrangement which restricts the whole structure can not normally play the monitoring of the structure safety, and serious safety risk is buried for the structure.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to provide a green energy-conserving prefabricated post with deformation perception is neural, through ingenious encapsulation, under the prerequisite of guaranteeing deformation perception ability, satisfy the optic fibre and change the demand.

In order to solve the technical problem, the utility model provides a green energy-conserving prefabricated post with it is neural to warp perception, including the concrete body, concrete body bottom is provided with a plurality of sleeves, sleeve and a plurality of vertical bar connection, vertical bar stretches out concrete body top setting, at least one pre-buried angle steel and line box on the surface of concrete body, angle steel one end is contradicted with the line box and is connected, it is provided with ribbed steel bar all to weld on two internal surfaces of angle steel, the internal angle department of included angle steel is pasted and is had the optic fibre that meets an emergency, the optic fibre one end that meets an emergency is connected with signal connector through signal optic fibre, signal optic fibre all sets up in the line box with signal connector, the V type inslot of angle steel still is provided with the filled concrete, the filled concrete surface flushes with the concrete body surface.

Furthermore, a sealing plate is arranged at one end, far away from the wire box, of the angle steel.

Further, a concrete combination side edge is arranged between the angle steel and the surface of the concrete body, and the filling concrete is connected with the concrete combination side edge in a combination manner.

Further, the size of the concrete combination side edge is 0.5-1.5cm, and the surface of the filled concrete is provided with a mark.

Further, be provided with the dish line frame in the line box, the dish line frame includes the base, evenly be provided with a plurality of spacing barbs along same circumference on the base, the base is fixed in line box bottom.

Furthermore, a wire clamping groove is formed in the top of the limiting barb.

Further, the line box that the optic fibre that meets an emergency corresponds is provided with the line hole on the surface, be provided with the rubber buffer in the line hole, the via hole has been seted up on the rubber buffer.

Furthermore, be provided with two registration arms on the line box surface, wear to be equipped with fixed reinforcing bar in the registration arm.

Furthermore, the outer surface of the angle steel is welded with a bent anchor steel bar, the wire box is provided with a detection panel, the signal connector is inserted at the back of the detection panel, and the strain optical fiber is fixed by adopting structural adhesive.

Furthermore, angle steel and wire boxes are pre-embedded on two surfaces of the concrete body, and the two surfaces are oppositely arranged.

The utility model has the advantages that:

1. by arranging the strain optical fiber, the whole-life deformation and internal force monitoring of the fabricated prefabricated column are realized, and the structural safety is ensured;

2. the steel bar with ribs welded in the steel bar can improve the binding force between the filling concrete and the steel bar, avoids the phenomenon of cracking and breaking off between the concrete and the steel bar in the process of temperature action and use, ensures the preparation quality, and fills the concrete to bury the steel bar, the surface flushes with the concrete body, the original appearance of the prefabricated column of effective former concrete.

3. The angle steel is adopted to bear the filling concrete, so that the filling concrete can be chiseled off and the strain optical fiber can be replaced under the condition that the optical fiber is damaged, and the sensing function of the concrete precast column can be continued.

4. The angle steel can be effectual gives the optic fibre that meets an emergency with the deflection, guarantees monitoring data's accuracy, and the line box then can protect signal connection, can enough improve life, can prevent again to disturb, makes the signal stable effective, improves monitoring results's accuracy.

Drawings

Fig. 1 is a schematic view of the internal structure of the present invention;

fig. 2 is a schematic structural view of the assembly of the angle steel and the strain optical fiber according to the present invention;

FIG. 3 is a schematic view of the fitting structure between the angle steel and the concrete body of the present invention;

FIG. 4 is a schematic view of the structure of the thread cassette of the present invention;

fig. 5 is a schematic structural view of the wire coiling frame of the present invention;

fig. 6 is a schematic diagram of the structure of the prefabricated column of the present invention.

Detailed Description

The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.

Referring to fig. 1 and 3, an embodiment of the energy-saving green precast column with deformation sensing nerves of the present invention comprises a concrete body 1, a plurality of sleeves 2 are arranged at the bottom of the concrete body, the sleeves are connected with a plurality of vertical steel bars 3, the vertical steel bars extend out of the top of the concrete body, an angle steel 5 and a wire box 6 are pre-embedded on at least one surface of the concrete body, one end of the angle steel is connected with the wire box in an abutting manner, ribbed steel bars 7 are welded on two inner surfaces of the angle steel, a strain optical fiber 8 is fixed at an inner included angle of the angle steel by structural adhesive, one end of the strain optical fiber is connected with a signal connector through a signal optical fiber, the signal optical fiber and the signal connector are arranged in the wire box, a filling concrete 9 is further arranged in a V-shaped groove of the angle steel, the surface of the filling concrete is flush with the surface of the concrete body, referring to fig. 6, the whole structure of the precast column is effectively restored, although the surface roughness of the angle steel is not large, the angle steel and the filling concrete can be effectively combined into a whole due to the arrangement of the ribbed steel bars, the combination degree is high, and the phenomena of cracking and disengaging cannot occur in the using process.

During preparation, line box and angle steel set up in the template through pre-buried mode and the steel reinforcement cage of prefabricated post in the lump, form the major structure behind the concreting, concrete body promptly, optical fiber will meet an emergency later fix in the angle steel, optical fiber that meets an emergency sets up the signal fiber that the one end welding of signal connector has enough length, signal fiber sets up in the line box with signal connector in the lump, signal fiber need guarantee to avoid great buckling, in order to avoid damaging, set up to accomplish after will fill in the angle steel with the concrete, and guarantee to fill concrete surface and concrete body surface flush, can obtain the finished product after the solidification, wherein can install the visor on the line box, avoid in the transportation, assembly and so on the in-process drags signal fiber and leads to the damage.

During the use, through monitoring facilities, before not assembling, directly with the signal joint butt joint of signal optic fibre, the measurement obtains the optical fiber data of meeting an emergency when not loading, then at the work progress of component assembly such as post roof beam board and after building structure comes into operation, all can carry out regularly monitoring, obtains the light ray data of meeting an emergency in construction process and the life cycle, through data calculation analysis, obtains the internal force change result of structural component to effectively ensure building structure's construction safety and use health. The utility model discloses the perception nerve that uses is the current optic fibre product that forms by straining optical fiber and signal optical fiber combination.

And when the signal connector or the signal optical fiber is damaged in the using process, as the longer signal optical fiber is stored in the cable box, the signal connector can be connected with the signal connector to cut off the signal optical fiber part, and then the optical fiber of the signal connector is welded again for use. When signal joint reconnection can't be carried out to the optic fibre damage of meeting an emergency or signal optic fibre damage position, it has been unable to use to represent the optic fibre of meeting an emergency promptly, at this moment, can be through the whole chisels of filling concrete in the V type recess of equipment such as jump bit, because the angular steel support of filling concrete, when chiseling, can not produce the influence of indirect damage to prefabricated post structure body, directly change the optic fibre of meeting an emergency after chiseling, the restoration can be accomplished to the packing again afterwards, new optic fibre of meeting an emergency can continue to realize monitoring function, the sensing function of prefabricated post can continue.

Keep away from one of line box at foretell angle steel and serve and be provided with the shrouding, when the prefabricated post of paper cup, the shrouding can effectively block inside the concrete gets into the angle steel. The concrete combining side edge 10 is arranged between the angle steel and the surface of the concrete body, the concrete combining side edge can be formed by heightening or heightening the edge of the angle steel and disassembling after pouring and curing, and can be combined and connected with the concrete combining side edge after filling concrete, so that the angle steel is high in combining degree, not easy to crack in the later use period, high in integrity and good in quality; before filling the filling concrete, the concrete combination side edge can be simply chiseled, so that the roughness of the combination surface is improved.

The size of the concrete combined side edge is 0.5-1.5cm, preferably 1cm, under the size, the combination is stable, and labor is saved in the later chiseling process; in order to facilitate the identification of the position of the angle steel and the accuracy of the position during chiseling, marks can be arranged on the surface of the filled concrete.

Specifically, as shown in fig. 4 and 5, a wire coiling frame 11 is arranged in the wire box, the wire coiling frame comprises a base 12, a plurality of limiting barbs 13 are uniformly arranged on the base along the same circumference, the base is fixed at the bottom of the wire box, and through the arrangement of the wire coiling frame, signal optical fibers can be effectively stored in an annular form, so that bending damage is avoided. The top of the limiting barb is provided with a wire clamping groove 14, and the tail end of the accommodating part is clamped into the wire clamping groove at the corresponding position, so that the signal optical fiber is prevented from loosening. The line box that the optic fibre that meets an emergency corresponds is provided with on the surface and crosses the line hole, and inside signal line and the signal connector of being convenient for passed the entering line box, cross the downthehole rubber buffer 15 that is provided with of line, seted up the via hole on the rubber buffer for cross the line, the rubber buffer can effectual shutoff be filled the concrete and get into in the line box.

Still set up two registration arms 16 on the box surface, two registration arms can parallel arrangement, also can adjacent setting, wear to be equipped with fixed reinforcement 17 in the registration arm, and fixed reinforcement is when the line box is pre-buried for be in the same place with the steel reinforcement cage of prefabricated post is fixed, thereby guarantee line box rigidity, also can not shift when pouring. Of course, the buried bolt is welded on the outer surface of the angle steel, and the buried bolt can be combined with the concrete body into a whole after the precast column is poured, is synchronously deformed, and is firm and reliable. Install the detection panel on the line box, signal connector inserts and establishes at detection panel back, and the detection panel can protect inside optic fibre not impaired, also need not to expose outside during the monitoring, and direct plug-in connection can, convenient operation.

In one embodiment, angle steel and wire boxes are embedded in two surfaces of the concrete body and are arranged oppositely, and more information for judging the use health condition of the prefabricated column is obtained by simultaneously detecting the compression deformation and the stretching deformation of the prefabricated column.

The above embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.

Claims

1. The utility model provides a green energy-conserving prefabricated post with it is neural to warp perception, includes the concrete body, concrete body bottom is provided with a plurality of sleeves, sleeve and a plurality of vertical bar connection, vertical bar stretches out concrete body top setting, a serial communication port, at least one pre-buried angle steel and line box on the surface of concrete body, angle steel one end is contradicted with the line box and is connected, all weld on two internal surfaces of angle steel and be provided with ribbed steel bar, the internal pinch angle department of angle steel is pasted and is had the optic fibre that meets an emergency, the optic fibre one end that meets an emergency is passed through signal optic fibre and is connected with signal connector, signal optic fibre all sets up in the line box with signal connector, the V type inslot of angle steel still is provided with the packing concrete, the packing concrete surface flushes with concrete body surface.

2. The green energy-saving prefabricated column with the deformation perception nerve as claimed in claim 1, wherein a sealing plate is arranged on one end of the angle steel, which is far away from the wire box.

3. The green energy-saving prefabricated column with the deformation perception nerve according to claim 1, wherein a concrete combining side is arranged between the angle steel and the surface of the concrete body, and the filling concrete is combined and connected with the concrete combining side.

4. The green energy-saving prefabricated column with the deformation perception nerve according to claim 3, wherein the size of the concrete combination side edge is 0.5-1.5cm, and the surface of the filling concrete is provided with a mark.

5. The green energy-saving prefabricated column with the deformation sensing nerve as claimed in claim 1, wherein a wire coiling frame is arranged in the wire box, the wire coiling frame comprises a base, a plurality of limiting barbs are uniformly arranged on the base along the same circumference, and the base is fixed at the bottom of the wire box.

6. The green energy-saving prefabricated column with the deformation perception nerve according to claim 5, wherein a wire clamping groove is formed in the top of the limiting barb.

7. The green energy-saving prefabricated column with the deformation sensing nerve as claimed in claim 1, wherein a line passing hole is formed in the surface of the line box corresponding to the strain optical fiber, a rubber plug is arranged in the line passing hole, and a through hole is formed in the rubber plug.

8. The green energy-saving prefabricated column with the deformation perception nerve according to claim 1, wherein two positioning pipes are arranged on the outer surface of the wire box, and fixing steel bars are arranged in the positioning pipes in a penetrating mode.

9. The green energy-saving prefabricated column with the deformation perception nerve as claimed in claim 1, wherein a bent anchor steel bar is welded on the outer surface of the angle steel, a detection panel is installed on the wire box, the signal connector is inserted at the back of the detection panel, and the strain optical fiber is fixed by structural adhesive.

10. The green energy-saving prefabricated column with the deformation perception nerve according to claim 1, wherein angle steel and a wire box are embedded in two surfaces of the concrete body, and the two surfaces are arranged oppositely.