CN210049440U - T-shaped node of steel concrete composite pipe with high shear strength - Google Patents
T-shaped node of steel concrete composite pipe with high shear strength Download PDFInfo
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- CN210049440U CN210049440U CN201920465961.8U CN201920465961U CN210049440U CN 210049440 U CN210049440 U CN 210049440U CN 201920465961 U CN201920465961 U CN 201920465961U CN 210049440 U CN210049440 U CN 210049440U
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Abstract
The T-shaped node of the steel concrete composite pipe with high shear strength comprises a first steel concrete composite pipe and a second steel concrete composite pipe, a rear end part steel plate of a second rectangular steel plate structure is exposed, an internal thread sleeve is pre-embedded in the front side of the first steel concrete composite pipe, the first half section of the internal thread sleeve is in threaded connection with a connecting stud, a vertically-arranged groove steel plate is welded on the rear side face of the end steel plate, a connecting plate is welded on the rear side edges of the left side plate and the right side plate of the groove steel plate, a plurality of shear rods which are connected to the first steel concrete composite pipe are arranged in the groove steel plate, and the shear rods are uniformly arranged along the vertical direction and are positioned between the internal thread sleeves on the left side and the. The utility model discloses can improve the joint strength of T type node between two steel concrete composite pipes greatly to ensure the reliability of connection, cast-in-place combines together with the prefabrication, the construction of being convenient for, the efficiency of construction is high, and construction quality can obtain guaranteeing, satisfies the whole atress of modern assembly type structure completely, energy-conservation, application requirements such as antidetonation.
Description
Technical Field
The utility model belongs to the technical field of the assembly type structure construction, concretely relates to steel concrete composite pipe T type node that shear strength is high.
Background
The single-section steel concrete combined pipe adopted by the assembly type building is integrally in a rectangular tubular structure and is conveyed to a construction site for assembly after being manufactured in a factory, the biggest problem of popularization and application of the existing assembly type building is that a stable and uniform system cannot be formed, the key point of the problem lies in the node connection between the steel concrete combined pipes, the T-shaped node is one of the most common nodes of the assembly type building, the structure of the existing T-shaped node is poor in structural integrity and shock resistance, the defects that an assembly type wall body is deformed and cracks are generated easily are caused, and the connecting form of the T-shaped node cannot meet the use function of the assembly type building with higher requirements.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the weak point among the prior art, provide a compact structure is reasonable, the atress is balanced, stability is strong, the strong steel concrete composite pipe T type node of shear strength of anti-wind shock resistance.
In order to solve the technical problem, the utility model adopts the following technical scheme: the T-shaped node of the reinforced concrete composite pipe with high shear strength comprises a first reinforced concrete composite pipe and a second reinforced concrete composite pipe which are arranged vertically, the front side surface of the first reinforced concrete composite pipe is adjacent to the rear end part of the second reinforced concrete composite pipe, the first reinforced concrete composite pipe comprises a first rectangular steel plate structure and a first concrete layer poured on the outer side part of the first rectangular steel plate structure, the second reinforced concrete composite pipe comprises a second rectangular steel plate structure and a second concrete layer poured on the outer side part of the second rectangular steel plate structure, a plurality of first screw rod tie bars penetrate between the front side plate and the rear side plate of the first rectangular steel plate structure, the front end and the rear end of each first screw rod tie bar are pre-embedded in the first concrete layer, a plurality of second screw rod tie bars penetrate between the left side plate and the right side plate of the second rectangular steel plate structure, the front end and the rear end of each second screw rod tie bar are pre-embedded in the second concrete layer, and the rear end part of the second rectangular steel plate structure is exposed from a steel plate, an internal thread sleeve which respectively corresponds to the left side part and the right side part of the second concrete layer from front to back is pre-embedded in the first concrete layer at the front side of the first steel concrete composite pipe, the front end of a first screw tie bar corresponding to the internal thread sleeve is in threaded connection with the rear half section inside the internal thread sleeve, the front half section of the internal thread sleeve is in threaded connection with a connecting stud, the rear side of an end steel plate is welded with a vertically arranged groove-shaped steel plate, the open side of the groove-shaped steel plate faces backwards, the rear side edges of the left side plate and the right side plate of the groove-shaped steel plate are respectively welded with a connecting plate, two connecting plates are provided with mounting holes which correspond to the front and the back of the left side plate and the right side plate of the groove-shaped steel plate, a plurality of mounting holes on each connecting plate are arranged along the vertical direction and correspond to the connecting studs one to one, and the rear side parts of the, the connecting stud penetrates through the mounting hole and extends into the wrench operating hole, the front end of the connecting stud is in threaded connection with a connecting nut positioned in the wrench operating hole, and the connecting nut presses the rear side surface of the connecting plate to the front side surface of the first steel concrete composite pipe;
and a plurality of shear-resistant rod pieces which are connected to the first steel concrete composite pipe are arranged in the channel steel plate, and the shear-resistant rod pieces are uniformly arranged along the vertical direction and are positioned between the internal thread sleeves at the left side and the right side.
A plurality of first through holes are formed in the left side plate and the right side plate of the groove-shaped steel plate, and each first through hole is located on the rear side between the upper wrench operation hole and the lower wrench operation hole.
And a plurality of second through holes which are arranged at intervals are correspondingly formed in the front side plate of the groove-shaped steel plate and the end steel plate exposed out of the rear end part of the second steel concrete composite pipe along the vertical direction.
The first concrete layer is internally embedded with a first tied anti-crack net piece connected to the front end and the rear end of the first screw rod tied rib, the second concrete layer is internally embedded with a second tied anti-crack net piece, and the rear side edge of the second tied anti-crack net piece extends to the outer parts of the connecting studs adjacent to the front side surface and the left side and the right side of the first steel-concrete combined pipe.
Every member that shears all includes the lacing bar that shears, internal thread sleeve and shear bar shear, the internal thread sleeve that shears is pre-buried in the first concrete layer of first steel concrete composite pipe front side, the lacing bar that shears is parallel and the setting of first screw rod lacing bar, the front end of the lacing bar that shears passes the front side threaded connection of first rectangle steel sheet structure at the inside latter half section of internal thread sleeve that shears, the rear end of the lacing bar that shears passes the rear side of first rectangle steel sheet structure is pre-buried inside the rear side of first concrete layer, shear bar rear end threaded connection is at the inside first half section of internal thread sleeve that shears, the shear bar front end stretches into inside the channel steel sheet, shear bar front end bolted connection has set nut, set nut's front side and the back side of spanner handle hole keep leveling.
Concrete blocks which pre-embed the groove-shaped steel plates, the shear rods, the positioning nuts, the connecting studs and the exposed second tie anti-cracking meshes are poured in the rectangular columnar space between the rear side of the end steel plate and the first steel concrete combined pipe, the outer side surfaces of the concrete blocks are correspondingly connected with the left side surface and the right side surface of the second concrete layer respectively and keep flush, inner concrete is poured in the second steel concrete combined pipe, and the concrete blocks and the inner concrete are connected into a whole through the second through holes.
Adopt above-mentioned technical scheme, the utility model provides an anti net piece of anti-splitting of first concrete layer and pre-buried first drawknot of first reinforced concrete composite pipe outside, first screw rod drawknot muscle, female thread bush, the drawknot muscle that shears, the anti second concrete layer and the pre-buried anti net piece of anti-splitting of second drawknot, second screw rod drawknot muscle of the internal thread sleeve that shears and second reinforced concrete composite pipe outside all prefabricate in the mill and form. When the steel plate is prefabricated in a factory, the end part steel plate of the second steel concrete combined pipe and the rear end part of the second knot anti-cracking net piece are exposed outside, the rear side edge of the groove-shaped steel plate is welded with the connecting plate, the connecting plate is provided with the mounting hole, the groove-shaped steel plate is provided with the wrench operation hole, the first through hole and the second through holes corresponding to the end part steel plate in height.
The first steel concrete combined pipe and the second steel concrete combined pipe are assembled after being transported to a construction site, so that the first steel concrete combined pipe and the second steel concrete combined pipe are vertically arranged, the rear end of the connecting stud is in threaded connection with the rear half section of the internal thread sleeve in a rectangular columnar space between the rear side of the end steel plate and the front side of the first steel concrete combined pipe, the rear end of the shear rod is in threaded connection with the rear half section of the internal thread sleeve, and the front end of the shear rod is screwed with a positioning screw nut; and then installing a channel steel plate on the connecting stud, clamping a connecting nut in a spanner operating hole by using a spanner, screwing the connecting nut onto the connecting stud, pressing and connecting a connecting plate at the rear side of the channel steel plate with the front side of the first steel-concrete combined pipe, contacting and welding the front side plate of the channel steel plate with the rear side of the end steel plate into a whole, supporting and protecting templates on the left side and the right side of the rectangular columnar space, pouring concrete between the templates, solidifying into a concrete block, connecting the concrete block into a whole left and right through the first through hole and the spanner operating hole, pouring a shear rod and a positioning nut in the concrete block, improving the shear strength of the concrete block at the T-shaped joint, and firmly connecting the first steel-concrete combined pipe and the second steel-concrete combined pipe into a whole. The second tie anti-cracking mesh is also poured into the concrete block, so that the appearance of the joint of the second concrete layer and the concrete block is not cracked. And when the concrete block is poured, inner concrete is poured inside the second steel concrete combined pipe, and the concrete block and the inner concrete inside the second steel concrete combined pipe are connected into a whole through the plurality of second through holes, so that the connection strength of the T-shaped node is further improved.
The second steel concrete combined pipe is generally used as an inner wall of the fabricated building, and the first steel concrete combined pipe is used as an outer wall of the fabricated building, so that the first steel concrete combined pipe adopts a factory-manufactured integral structure, the first steel concrete combined pipe and the second steel concrete combined pipe are connected into a whole through on-site connection, and the second steel concrete combined pipe also plays a role in supporting the first steel concrete combined pipe.
In addition, the central line of the mounting hole formed in the connecting plate of the channel steel plate is located on the plane where the channel steel plate side plate is located, so that the first screw tie bar, the connecting stud and the connecting plate are stressed on the same plane, the condition that a steel member built in a concrete block is damaged due to unbalanced stress is avoided, and the reliability of T-shaped node connection is ensured.
The shear rods play a role in enhancing the connection strength between the concrete blocks and the first steel concrete composite pipes, the shear strength of the second steel concrete composite pipes is improved, and the positioning nuts enable the shear rods and the concrete blocks to have extremely strong combination degree. The shear resistant rod is coaxially connected with the shear resistant tie bar through the shear resistant threaded sleeve, so that the assembly construction is convenient, and the shear resistant rod is integrally connected with the first steel concrete combined pipe through the shear resistant tie bar.
To sum up, the utility model discloses can improve the joint strength of T type node department between two steel concrete composite pipes greatly to ensure the reliability of connection, cast-in-place combines together with the prefabrication, the construction of being convenient for, the efficiency of construction is high, and construction quality can obtain guaranteeing, satisfies the whole atress of modern assembly type structure completely, energy-conservation, application requirements such as antidetonation.
Drawings
Fig. 1 is a schematic plan view of the present invention;
FIG. 2 is a side view of the channel steel plate of FIG. 1;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is an enlarged view of the connection between the first screw tie bar, the internally threaded bushing, the connecting stud and the connecting nut of FIG. 1;
fig. 5 is an enlarged view of the shear bar member of fig. 1.
Detailed Description
As shown in FIGS. 1-5, the T-shaped node of the reinforced concrete composite pipe with high shear strength of the present invention comprises a first reinforced concrete composite pipe and a second reinforced concrete composite pipe which are perpendicular to each other, wherein the front side surface of the first reinforced concrete composite pipe is adjacent to the rear end portion of the second reinforced concrete composite pipe, the first reinforced concrete composite pipe comprises a first rectangular steel plate structure and a first concrete layer 2 which is poured on the outer side portion of the first rectangular steel plate structure 1, the second reinforced concrete composite pipe comprises a second rectangular steel plate structure and a second concrete layer 4 which is poured on the outer side portion of the second rectangular steel plate structure 3, a plurality of first screw tie bars 5 are arranged between the front side plate and the rear side plate of the first rectangular steel plate structure 1, the front and rear ends of the first screw tie bars 5 are pre-embedded in the first concrete layer 2, a plurality of second screw tie bars 6 are arranged between the left side plate and the right side plate of the second rectangular steel plate structure 3, the front end and the rear end of a second screw bar tie bar 6 are pre-embedded in a second concrete layer 4, the rear end part of a second rectangular steel plate structure 3 is exposed out of an end steel plate 7, an internal thread sleeve 8 which respectively corresponds to the left side part and the right side part of the second concrete layer 4 from front to back is pre-embedded in a first concrete layer 2 at the front side of a first steel concrete composite pipe, the front end of a first screw bar tie bar 5 corresponding to the internal thread sleeve 8 is in threaded connection with the rear half section in the internal thread sleeve 8, the front half section of the internal thread sleeve 8 is in threaded connection with a connecting stud 9, the rear side surface of the end steel plate 7 is welded with a vertically arranged groove steel plate 10, the open side of the groove steel plate 10 is arranged backwards, the rear side edges of the left side plate and the right side plate of the groove steel plate 10 are both welded with a connecting plate 11, two connecting plates 11 are provided with mounting holes 12 which correspond to the front and, a plurality of mounting holes 12 in each connecting plate 11 are arranged in the vertical direction and correspond to the connecting studs 9 one by one, wrench operation holes 13 correspondingly communicated with the mounting holes 12 are formed in the rear side portions of the left side plate and the right side plate of the channel steel plate 10, the connecting studs 9 penetrate through the mounting holes 12 and extend into the wrench operation holes 13, connecting nuts 14 located in the wrench operation holes 13 are in threaded connection with the front ends of the connecting studs 9, and the rear side surfaces of the connecting plates 11 are pressed on the front side surfaces of the first steel concrete composite pipes by the connecting nuts 14;
a plurality of shear resistant rod members 15 connected to the first steel concrete composite pipe are arranged in the channel steel plate 10, and the shear resistant rod members 15 are uniformly arranged along the vertical direction and are positioned between the internal thread sleeves 8 on the left side and the right side.
A plurality of first through holes 16 are formed in the left side plate and the right side plate of the channel steel plate 10, and each first through hole 16 is located on the rear side between the upper wrench operation hole 13 and the lower wrench operation hole 13.
A plurality of second through holes 17 which are arranged at intervals are correspondingly arranged on the front side plate of the channel steel plate 10 and the end steel plate 7 exposed out of the rear end part of the second steel concrete composite pipe along the vertical direction.
First tie anti-cracking meshes 18 connected to the front and rear ends of the first screw tie bars 5 are pre-buried in the first concrete layer 2, second tie anti-cracking meshes 19 are pre-buried in the second concrete layer 4, and the rear side edges of the second tie anti-cracking meshes 19 extend to the outer portions of the connecting studs 9 adjacent to the front side surface and the left and right sides of the first steel-concrete combined pipe.
Each shear rod member 15 comprises a shear-resistant tie bar 20, a shear-resistant internal thread sleeve 21 and a shear rod 22, the shear-resistant internal thread sleeve 21 is pre-embedded in the first concrete layer 2 on the front side of the first steel concrete composite pipe, the shear-resistant tie bar 20 is parallel to the first screw tie bar 5, the front end of the shear-resistant tie bar 20 penetrates through the front side thread of the first rectangular steel plate structure 1 and is connected to the rear half section inside the shear-resistant internal thread sleeve 21, the rear end of the shear-resistant tie bar 20 penetrates through the rear side of the first rectangular steel plate structure 1 and is pre-embedded inside the rear side of the first concrete layer 2, the rear end of the shear rod 22 is in threaded connection with the front half section inside the shear-resistant internal thread sleeve 21, the front end of the shear rod 22 extends into the inside of the channel steel plate 10, the front end of the shear rod 22 is in bolted connection with a positioning nut 23, and the front side of the positioning.
Concrete blocks (not shown in the figure) pre-buried in the groove-shaped steel plates 10, the shear rods 22, the positioning nuts 23, the connecting studs 9 and the exposed second tie anti-cracking meshes 19 are poured in the rectangular columnar spaces 24 between the rear sides of the end steel plates 7 and the first steel concrete composite pipes, the outer side surfaces of the concrete blocks are correspondingly connected with the left side surface and the right side surface of the second concrete layer 4 respectively and keep flush, inner concrete (not shown in the figure) is poured in the second steel concrete composite pipes, and the concrete blocks and the inner concrete are connected into a whole through the second through holes 17.
The utility model provides an anti net piece 18 of anti-splitting of first concrete layer 2 and pre-buried first drawknot of first reinforced concrete combination pipe outside, first screw rod drawknot muscle 5, internal thread sleeve 8, the drawknot muscle 20 that shears, the internal thread sleeve 21 that shears and the outside second concrete layer 4 of second reinforced concrete combination pipe and pre-buried second drawknot are anti net piece 19, the anti net piece 6 of second screw rod drawknot muscle all prefabricate in the mill and are formed. When the steel plate is prefabricated in a factory, the end part of the steel plate 7 of the second steel concrete composite pipe and the rear end part of the second pulling anti-cracking net piece 19 are exposed outside, the rear side edge of the groove-shaped steel plate 10 is welded with the connecting plate 11, the connecting plate 11 is provided with the mounting hole 12, the groove-shaped steel plate 10 is provided with the wrench operation hole 13 and the first through hole 16, and the end part of the groove-shaped steel plate 7 is provided with a plurality of second through holes 17 correspondingly in height.
The first steel concrete composite pipe and the second steel concrete composite pipe are assembled after being transported to a construction site, so that the first steel concrete composite pipe and the second steel concrete composite pipe are vertically arranged, the rear end of the connecting stud 9 is in threaded connection with the rear half section of the internal thread sleeve 8 in a rectangular columnar space 24 between the rear side of the end steel plate 7 and the front side of the first steel concrete composite pipe, the rear end of the shear rod 22 is in threaded connection with the rear half section of the shear-resistant internal thread sleeve 21, and the front end of the shear rod 22 is screwed with a positioning screw nut; then, a channel steel plate 10 is installed on the connecting stud 9, a spanner is used for clamping a connecting nut 14 in a spanner operating hole 13 and is screwed on the connecting stud 9, a connecting plate 11 on the rear side of the channel steel plate 10 is in compression joint with the front side of the first steel concrete composite pipe, then the front side plate of the channel steel plate 10 is in contact with the rear side of the end steel plate 7 and is welded into a whole, finally, formworks are supported on the left side and the right side of the rectangular columnar space 24, concrete is poured between the formworks and solidified into a concrete block, the concrete block is connected with the spanner operating hole 13 into a whole in the left-right direction through a first through hole 16, a shear rod 22 and a positioning nut 23 are poured in the concrete block, the shear strength of the concrete block at the T-shaped node is improved, and therefore the first steel concrete composite pipe and the second steel concrete composite pipe are firmly connected into a. The second anti-crack netting 19 is also poured into the concrete block, thus ensuring that the second concrete layer 4 does not crack at the outer surface of the joint with the concrete block. And when the concrete block is poured, inner concrete is poured inside the second steel concrete combined pipe, and the concrete block and the inner concrete inside the second steel concrete combined pipe are connected into a whole through the plurality of second through holes 17, so that the connection strength of the T-shaped node is further improved.
The second steel concrete combined pipe is generally used as an inner wall of the fabricated building, and the first steel concrete combined pipe is used as an outer wall of the fabricated building, so that the first steel concrete combined pipe adopts a factory-manufactured integral structure, the first steel concrete combined pipe and the second steel concrete combined pipe are connected into a whole through on-site connection, and the second steel concrete combined pipe also plays a role in supporting the first steel concrete combined pipe.
In addition, the central line of the mounting hole 12 formed in the connecting plate 11 of the channel-shaped steel plate 10 is located on the plane where the side plate of the channel-shaped steel plate 10 is located, so that the first screw tie bar 5, the connecting stud 9 and the connecting plate 11 are stressed on the same plane, the condition that a steel member built in a concrete block is damaged due to unbalanced stress is avoided, and the reliability of T-shaped node connection is ensured.
The shear rods 22 play a role in enhancing the connection strength between the concrete blocks and the first steel concrete composite pipe, the shear strength of the second steel concrete composite pipe is improved, and the positioning nuts 23 enable the shear rods 22 and the concrete blocks to have extremely strong combination degree. The shear rods 22 are coaxially connected with the shear tie bars 20 through the shear threaded sleeves, so that the assembly construction is convenient, and the shear rods 22 are integrally connected with the first steel concrete composite pipe into a whole through the shear tie bars 20.
The present embodiment is not intended to limit the shape, material, structure, etc. of the present invention in any form, and all of the technical matters of the present invention belong to the protection scope of the present invention to any simple modification, equivalent change and modification made by the above embodiments.
Claims (6)
1. The T-shaped node of the reinforced concrete composite pipe with high shear strength comprises a first reinforced concrete composite pipe and a second reinforced concrete composite pipe which are arranged vertically, the front side surface of the first reinforced concrete composite pipe is adjacent to the rear end part of the second reinforced concrete composite pipe, the first reinforced concrete composite pipe comprises a first rectangular steel plate structure and a first concrete layer poured on the outer side part of the first rectangular steel plate structure, the second reinforced concrete composite pipe comprises a second rectangular steel plate structure and a second concrete layer poured on the outer side part of the second rectangular steel plate structure, a plurality of first screw rod tie bars penetrate between the front side plate and the rear side plate of the first rectangular steel plate structure, the front end and the rear end of each first screw rod tie bar are pre-embedded in the first concrete layer, a plurality of second screw rod tie bars penetrate between the left side plate and the right side plate of the second rectangular steel plate structure, the front end and the rear end of each second screw rod tie bar are pre-embedded in the second concrete layer, the method is characterized in that: the rear end part of the second rectangular steel plate structure is exposed out of the end part steel plate, an internal thread sleeve which is respectively corresponding to the left side part and the right side part of the second concrete layer from front to back is pre-embedded in the first concrete layer at the front side of the first steel concrete combined pipe, the front end of a first screw tie bar corresponding to the internal thread sleeve is in threaded connection with the rear half section of the interior of the internal thread sleeve, the front half section of the internal thread sleeve is in threaded connection with a connecting stud, the rear side surface of the end part steel plate is welded with a vertically arranged groove type steel plate, the open side of the groove type steel plate faces backwards, the rear side edges of the left side plate and the right side plate of the groove type steel plate are respectively welded with a connecting plate, the two connecting plates are provided with mounting holes which are corresponding to the front and the rear of the left side plate and the right side plate of the groove type steel plate, the mounting holes on each connecting plate are respectively provided with a plurality of connecting studs in the vertical direction, the connecting stud penetrates through the mounting hole and extends into the wrench operating hole, the front end of the connecting stud is in threaded connection with a connecting nut positioned in the wrench operating hole, and the connecting nut presses the rear side surface of the connecting plate to the front side surface of the first steel concrete composite pipe;
and a plurality of shear-resistant rod pieces which are connected to the first steel concrete composite pipe are arranged in the channel steel plate, and the shear-resistant rod pieces are uniformly arranged along the vertical direction and are positioned between the internal thread sleeves at the left side and the right side.
2. The T-shaped node of the reinforced concrete combined pipe with high shear strength as claimed in claim 1, wherein: a plurality of first through holes are formed in the left side plate and the right side plate of the groove-shaped steel plate, and each first through hole is located on the rear side between the upper wrench operation hole and the lower wrench operation hole.
3. The T-shaped node of the reinforced concrete combined pipe with high shear strength as claimed in claim 1, wherein: and a plurality of second through holes which are arranged at intervals are correspondingly formed in the front side plate of the groove-shaped steel plate and the end steel plate exposed out of the rear end part of the second steel concrete composite pipe along the vertical direction.
4. The T-shaped node of the steel concrete composite pipe with high shear strength as claimed in claim 3, wherein: the first concrete layer is internally embedded with a first tied anti-crack net piece connected to the front end and the rear end of the first screw rod tied rib, the second concrete layer is internally embedded with a second tied anti-crack net piece, and the rear side edge of the second tied anti-crack net piece extends to the outer parts of the connecting studs adjacent to the front side surface and the left side and the right side of the first steel-concrete combined pipe.
5. The T-shaped node of the steel concrete composite pipe with high shear strength as claimed in claim 4, wherein: every member that shears all includes the lacing bar that shears, internal thread sleeve and shear bar shear, the internal thread sleeve that shears is pre-buried in the first concrete layer of first steel concrete composite pipe front side, the lacing bar that shears is parallel and the setting of first screw rod lacing bar, the front end of the lacing bar that shears passes the front side threaded connection of first rectangle steel sheet structure at the inside latter half section of internal thread sleeve that shears, the rear end of the lacing bar that shears passes the rear side of first rectangle steel sheet structure is pre-buried inside the rear side of first concrete layer, shear bar rear end threaded connection is at the inside first half section of internal thread sleeve that shears, the shear bar front end stretches into inside the channel steel sheet, shear bar front end bolted connection has set nut, set nut's front side and the back side of spanner handle hole keep leveling.
6. The T-shaped node of the steel concrete composite pipe with high shear strength as claimed in claim 5, wherein: concrete blocks which pre-embed the groove-shaped steel plates, the shear rods, the positioning nuts, the connecting studs and the exposed second tie anti-cracking meshes are poured in the rectangular columnar space between the rear side of the end steel plate and the first steel concrete combined pipe, the outer side surfaces of the concrete blocks are correspondingly connected with the left side surface and the right side surface of the second concrete layer respectively and keep flush, inner concrete is poured in the second steel concrete combined pipe, and the concrete blocks and the inner concrete are connected into a whole through the second through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201920465961.8U CN210049440U (en) | 2019-04-09 | 2019-04-09 | T-shaped node of steel concrete composite pipe with high shear strength |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920465961.8U CN210049440U (en) | 2019-04-09 | 2019-04-09 | T-shaped node of steel concrete composite pipe with high shear strength |
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| CN210049440U true CN210049440U (en) | 2020-02-11 |
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| CN201920465961.8U Active CN210049440U (en) | 2019-04-09 | 2019-04-09 | T-shaped node of steel concrete composite pipe with high shear strength |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109944361A (en) * | 2019-04-09 | 2019-06-28 | 河南绿建建筑科技有限公司 | The high steel concrete compound tube T-type node of shearing strength |
| WO2024037550A1 (en) * | 2022-08-17 | 2024-02-22 | 河南绿建建筑科技有限公司 | Longitudinal steel concrete combined pipe component of t-shaped or l-shaped fabricated wall |
-
2019
- 2019-04-09 CN CN201920465961.8U patent/CN210049440U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109944361A (en) * | 2019-04-09 | 2019-06-28 | 河南绿建建筑科技有限公司 | The high steel concrete compound tube T-type node of shearing strength |
| WO2024037550A1 (en) * | 2022-08-17 | 2024-02-22 | 河南绿建建筑科技有限公司 | Longitudinal steel concrete combined pipe component of t-shaped or l-shaped fabricated wall |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |