CN107882245B - Connection structure of full prefabricated sloping roof and cast-in-situ ridge beam and construction method thereof - Google Patents
Connection structure of full prefabricated sloping roof and cast-in-situ ridge beam and construction method thereof Download PDFInfo
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- CN107882245B CN107882245B CN201711106799.2A CN201711106799A CN107882245B CN 107882245 B CN107882245 B CN 107882245B CN 201711106799 A CN201711106799 A CN 201711106799A CN 107882245 B CN107882245 B CN 107882245B
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- roof
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- 238000011065 in-situ storage Methods 0.000 title claims abstract description 88
- 238000010276 construction Methods 0.000 title claims abstract description 19
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 39
- 238000005266 casting Methods 0.000 claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 80
- 239000010959 steel Substances 0.000 claims description 80
- 238000009826 distribution Methods 0.000 claims description 20
- 230000003014 reinforcing effect Effects 0.000 claims description 15
- 238000009413 insulation Methods 0.000 claims description 13
- 210000001503 joint Anatomy 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000004321 preservation Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 241000219112 Cucumis Species 0.000 description 1
- 235000015510 Cucumis melo subsp melo Nutrition 0.000 description 1
- FJJCIZWZNKZHII-UHFFFAOYSA-N [4,6-bis(cyanoamino)-1,3,5-triazin-2-yl]cyanamide Chemical compound N#CNC1=NC(NC#N)=NC(NC#N)=N1 FJJCIZWZNKZHII-UHFFFAOYSA-N 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B7/00—Roofs; Roof construction with regard to insulation
- E04B7/02—Roofs; Roof construction with regard to insulation with plane sloping surfaces, e.g. saddle roofs
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B7/00—Roofs; Roof construction with regard to insulation
- E04B7/02—Roofs; Roof construction with regard to insulation with plane sloping surfaces, e.g. saddle roofs
- E04B7/06—Constructions of roof intersections or hipped ends
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
- E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
- E04C2/288—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating composed of insulating material and concrete, stone or stone-like material
- E04C2/2885—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating composed of insulating material and concrete, stone or stone-like material with the insulating material being completely surrounded by, or embedded in, a stone-like material, e.g. the insulating material being discontinuous
Abstract
The connection structure of the full prefabricated sloping roof and the cast-in-situ ridge beam comprises the cast-in-situ ridge beam, a full prefabricated roof plate with one end of a distributed reinforcing steel bar extending outwards and a connection concrete part; the full prefabricated roof slab is obliquely arranged on two opposite sides of the cast-in-situ roof beam, a connecting concrete part is formed after concrete is poured at the joint of the cast-in-situ roof beam and the full prefabricated roof slab, the cast-in-situ roof beam comprises stirrups, additional stirrups and a roof beam concrete part, stirrups are embedded in the roof beam concrete part, the bottoms of the additional stirrups are embedded in the roof beam concrete part and are positioned in the middle of the stirrups, the top ends of the additional stirrups extend upwards into the connecting concrete part, and the extending parts of the distributed reinforcing steel bars of the full prefabricated roof slab are overlapped with the extending parts of the additional stirrups. The connecting structure has simple structure and large bearing capacity. The invention also discloses a construction method of the connection structure of the full prefabricated sloping roof and the cast-in-situ ridge beam, which is simple to operate, and improves the connection strength and bearing capacity of the connection structure by adopting a site secondary casting construction method.
Description
Technical Field
The invention relates to a connecting structure for buildings, in particular to a connecting structure for a full prefabricated sloping roof and a cast-in-situ ridge beam and a construction method thereof.
Background
CN 101608481A discloses a wood roof supporting frame, which comprises a herringbone frame and a beam, wherein the lower part of a middle column of the herringbone frame is connected with a bottom beam, extension joints fixedly connected with the middle column are hung on two ends of the bottom beam, the extension joints are connected with the extension beam through betuling holes, the tail end of the extension beam is connected with a roof frame, an extension inclined beam is connected between the tail end of the extension beam and the top of the middle column of the herringbone frame, and a melon column is connected between the extension inclined beam and the extension beam. The bearing capacity of the wood roof support frame is weak, and the construction is complex.
Disclosure of Invention
The invention aims to solve the technical problems that: the connecting structure of the full prefabricated sloping roof and the cast-in-situ ridge beam has the advantages of simple structure, high bearing capacity and convenience in construction, and the construction method of the connecting structure.
The technical scheme adopted for solving the technical problems is as follows:
the invention relates to a connection structure of a full prefabricated sloping roof and a cast-in-situ ridge beam, which comprises the cast-in-situ ridge beam, a full prefabricated roof plate with one end of a distributed reinforcing steel bar extending outwards and a connection concrete part; the fully prefabricated roof plates are obliquely erected on two opposite sides of the cast-in-situ ridge beam; the joint of the cast-in-situ ridge beam and the full prefabricated roof slab is poured with concrete to form a connecting concrete part; the cast-in-situ ridge beam comprises stirrups, additional stirrups and a ridge beam concrete part, wherein the stirrups are embedded in the ridge beam concrete part, the bottom of each additional stirrup is embedded in the ridge beam concrete part and is positioned in the middle of each stirrup, and the top ends of the additional stirrups extend upwards into the connecting concrete part; the extending parts of the distributed steel bars in the fully prefabricated roof plate overlap with the extending parts of the additional stirrups.
Further, the connecting structure of the full prefabricated sloping roof and the cast-in-situ ridge beam further comprises additional steel bars, wherein the additional steel bars are connected with the additional stirrups and the distributed steel bars in a crossing mode, namely, the additional stirrups and the distributed steel bars are distributed along the length direction of the additional steel bars, and the additional steel bars are inserted in corners of the additional stirrups and the distributed steel bars or crossing parts of the additional stirrups and the stirrups.
Further, the additional steel bars comprise first steel bars and second steel bars, wherein the first steel bars are placed at first crossing parts of the distributed steel bars extending out of the two obliquely-installed full-prefabricated roof boards and are buried in the connecting concrete parts; the second reinforcing steel bars are embedded in the connecting concrete parts at the second crossing parts of the distributed reinforcing steel bar corners and the additional stirrups.
As a further improvement, the additional steel bar further comprises a third steel bar buried in the ridge beam concrete part.
Further, the third reinforcing steel bars are buried in the third crossing part of the top of the stirrup and the additional stirrup and/or the fourth crossing part of the bottom of the stirrup and the additional stirrup.
Further, the additional reinforcing bars are triangular orProfile distribution.
In one embodiment, the height of the ridge beam concrete part is 1/2-2/3 of the height of the stirrup.
In one embodiment, the top of the ridge beam connecting part is provided with an inclined plane with the same inclined installation angle as the inclined installation angle of the sloping roof; the length and the width of the fully prefabricated roof plate are vertical, and the inclined plane and the end part of the fully prefabricated roof plate are mutually vertical.
As a further improvement, the additional stirrups are square or triangular.
As a further improvement technical scheme, a heat insulation structure is arranged in the prefabricated layer of the pitched roof, and the heat insulation structure is composed of a plurality of heat insulation pieces distributed in an array mode.
Further, connecting steel bars are arranged at the gaps between two adjacent heat preservation pieces, and two ends of each connecting steel bar are respectively connected with the distributed steel bars to form a hidden beam.
The invention further solves the technical problems by adopting the technical scheme that:
the invention relates to a construction method of a connection structure of a full prefabricated sloping roof and a cast-in-situ ridge beam, which comprises the following steps:
1) Manufacturing a cast-in-situ ridge beam: arranging stirrups, arranging additional stirrups in the middle of the stirrups, and casting a ridge beam concrete part on the stirrups;
2) Hoisting a full prefabricated sloping roof: after the concrete part of the ridge beam in the step 1) is solidified, one end of the inclined plane of the full-prefabricated roof slab is hoisted on the cast-in-situ ridge beam, so that the full-prefabricated roof slab is lapped on the inclined plane of the top of the cast-in-situ ridge beam, and the distribution steel bars extending outwards in the full-prefabricated roof slab are lapped with the additional stirrups;
3) Casting and connecting the concrete part: and pouring concrete at the butt joint of the full prefabricated roof slab and the cast-in-situ ridge beam, and curing to form a connecting concrete part.
Further, between step 2) and step 3), further comprising:
arranging additional steel bars: arranging first steel bars and second steel bars at a first intersection part of the distributed steel bars of the full prefabricated roof plate, a second intersection part of the distributed steel bar corners and the additional stirrups respectively;
further, in step 1), after the additional stirrup is placed, a third reinforcing bar is placed at a third intersection part of the top of the stirrup and the additional stirrup and/or at a fourth intersection part of the bottom of the stirrup and the additional stirrup, so that the third reinforcing bar is positioned at the top and/or the bottom of the ridge beam concrete part.
The connecting structure of the full prefabricated sloping roof and the cast-in-situ ridge beam has the beneficial effects that: the structure is simple, the construction is convenient, and the connection strength between the full prefabricated sloping roof and the cast-in-situ ridge beam is enhanced by extending the additional stirrups of the cast-in-situ ridge beam and the distributed steel bars in the prefabricated sloping roof and then pouring concrete; the additional stirrups now increase the load-bearing capacity of the cast-in-place ridge beam.
The additional steel bars buried in the concrete part for connecting the concrete part and the ridge beam can further strengthen the mechanical properties such as shearing resistance of the connection structure of the fully prefabricated sloping roof and the cast-in-situ ridge beam, improve the bearing capacity of the connection structure and further prolong the service life of the building.
The construction method of the connection structure of the full prefabricated sloping roof and the cast-in-situ ridge beam has the beneficial effects that: the operation is simple, and the connection structure obtained by construction has strong bearing capacity.
Compared with the prefabricated ridge beam, the cast-in-situ ridge beam adopts a cast-in-situ construction mode, and whether additional reinforcing steel bars are arranged in the cast-in-situ ridge beam or not can be selectively judged according to the requirement of the building on the bearing capacity strength of the connecting structure, and the position of the additional reinforcing steel bars (third reinforcing steel bars) in the concrete part of the ridge beam is convenient to adjust, so that the connecting strength and the bearing capacity of the connecting structure are ensured to meet the requirement of the building.
The method for site secondary pouring construction of the precast ridge beam concrete part and the post-pouring connection concrete part can effectively avoid the phenomenon that the precast ridge beam concrete part is easy to crack when being poured, so that the connection concrete part is better combined with the cast-in-situ ridge beam, and the connection strength and the bearing capacity of the connection structure are improved.
Drawings
FIG. 1-is a schematic view of a connection structure between an all prefabricated pitched roof and a cast-in-situ ridge beam in example 1;
FIG. 2-is a schematic view of a connection structure between an all prefabricated pitched roof and a cast-in-situ ridge beam in example 2;
FIG. 3-is a schematic cross-sectional view of the insulation of FIG. 2;
FIG. 4-is a schematic view of a connection structure between an all prefabricated pitched roof and a cast-in-situ ridge beam in example 3;
FIG. 5-is a schematic view of a connection structure between an all prefabricated pitched roof and a cast-in-place ridge beam in example 4;
FIG. 6-is a schematic view of a connection structure between an all prefabricated pitched roof and a cast-in-place ridge beam in example 5;
FIG. 7-is a schematic view of a connection structure between an all prefabricated pitched roof and a cast-in-place ridge beam in example 6;
fig. 8-is a schematic view of a connection structure between an all prefabricated pitched roof and a cast-in-place ridge beam in embodiment 7.
Detailed Description
The invention is further described below with reference to the drawings and examples.
Example 1
Referring to fig. 1: the connecting structure of the full prefabricated sloping roof and the cast-in-situ ridge beam of the embodiment comprises a cast-in-situ ridge beam 4, full prefabricated roof plates 3,3' with one ends of distributed steel bars 31,32 extending outwards and a connecting concrete part 2; the full prefabricated roof boards 3 and 3' are obliquely arranged on two opposite sides of the cast-in-situ ridge beam 4; the joint of the cast-in-situ ridge beam 4 and the full prefabricated roof plates 3 and 3' is poured with concrete to form a connecting concrete part 2; the cast-in-situ ridge beam 4 comprises a stirrup 5, an additional stirrup 6 and a ridge beam concrete part 7, wherein the stirrup 5 is embedded in the ridge beam concrete part 7, the bottom of the additional stirrup 6 is embedded in the ridge beam concrete part 7 and is positioned in the middle of the stirrup 5, and the top end of the additional stirrup 6 extends upwards into the connecting concrete part 2; the extending parts of the distributed steel bars 31,32 in the fully prefabricated roof boards 3,3' are overlapped with the extending parts of the additional stirrups 6; the additional reinforcing steel bars 1 are crossed and connected with the additional stirrups 6 and the distribution reinforcing steel bars 31 and 32, namely the additional stirrups 6 and the distribution reinforcing steel bars 31 and 32 are distributed along the length direction of the additional reinforcing steel bars 1, and the additional reinforcing steel bars 1 are inserted into the corners of the additional stirrups 6 and the distribution reinforcing steel bars 31 and 32.
The additional steel bars 1 comprise first steel bars 11 and second steel bars 12, wherein the first steel bars 11 are placed at first crossing parts a of distribution steel bars 31 extending outwards from two obliquely-installed full prefabricated roof boards 3 and are buried in the connecting concrete parts 2; the second reinforcing bars 12 are buried in the connecting concrete portion 2 at the second crossing portion b of the corner of the distribution reinforcing bar 31 and the additional stirrup 6.
The first reinforcing bars 11 and the second reinforcing bars 12 are distributed in a triangle shape.
The height of the ridge beam concrete part 7 is 1/2-2/3 of the height of the stirrup 5.
The top of the cast-in-situ ridge beam 4 is provided with an inclined plane 41 with the same inclined installation angle as the inclined installation angle of the sloping roof. The length and width of the fully prefabricated roof panels 31/32 are perpendicular and the inclined surfaces 41 are perpendicular to the ends of the fully prefabricated roof panels 31/32.
The additional stirrups 6 are square.
Example 2
Referring to fig. 2 and 3: the connection structure of the fully prefabricated sloping roof and the cast-in-situ ridge beam in this embodiment is different from that in embodiment 1 in that:
the heat insulation structure 8 is arranged in the prefabricated layer of the pitched roof, and the heat insulation structure 8 is composed of a plurality of heat insulation pieces 81 distributed in an array mode.
And connecting steel bars 9 are arranged at the gaps between two adjacent heat preservation pieces 81, and two ends of each connecting steel bar 9 are respectively connected with the corresponding distributed steel bars 31 and 32 to form a hidden beam.
Example 3
Referring to fig. 4: the connection structure of the fully prefabricated sloping roof and the cast-in-situ ridge beam in this embodiment is different from that in embodiment 1 in that:
the additional bar 1 further comprises a third bar 13 embedded in the ridge beam concrete part 7.
The third reinforcing bars 13 are buried at the third crossing portions c of the top portions of the stirrups 5 and the additional stirrups 6.
The additional reinforcing steel bars formed by the first reinforcing steel bar 11, the second reinforcing steel bar 12 and the third reinforcing steel bar 13 are in the shape ofProfile distribution.
Example 4
Referring to fig. 5: the connection structure of the fully prefabricated sloping roof and the cast-in-situ ridge beam in this embodiment is different from that in embodiment 1 in that:
the additional bar 1 further comprises a third bar 13 embedded in the ridge beam concrete part 7.
The third reinforcing bars 13 are buried in the fourth crossing portions d of the bottom portions of the stirrups 5 and the additional stirrups 6.
The additional reinforcing steel bars formed by the first reinforcing steel bar 11, the second reinforcing steel bar 12 and the third reinforcing steel bar 13 are in the shape ofProfile distribution.
Example 5
Referring to fig. 6: the connection structure of the fully prefabricated pitched roof and the cast-in-situ ridge beam in this embodiment is different from that in embodiment 4 in that:
the third reinforcing steel bars 13 are buried in the third crossing portion c of the top of the stirrup 5 and the additional stirrup 6 and the fourth crossing portion d of the bottom of the stirrup 5 and the additional stirrup 6.
The heat insulation structure 8 is arranged in the prefabricated layer of the pitched roof, and the heat insulation structure 8 is composed of a plurality of heat insulation pieces 81 distributed in an array mode.
And connecting steel bars 9 are arranged at the gaps between two adjacent heat preservation pieces 81, and two ends of each connecting steel bar 9 are respectively connected with the corresponding distributed steel bars 31 and 32 to form a hidden beam.
Example 6
Referring to fig. 7: the connection structure of the fully prefabricated sloping roof and the cast-in-situ ridge beam in this embodiment is different from that in embodiment 1 in that:
the connecting structure of the full prefabricated sloping roof and the cast-in-situ ridge beam in the embodiment comprises a cast-in-situ ridge beam 4, a full prefabricated roof plate 3, additional steel bars 1 and a connecting concrete part 2; the full prefabricated roof boards 3 and 3' are obliquely arranged on two opposite sides of the cast-in-situ ridge beam 4; the joint of the cast-in-situ ridge beam 4 and the full prefabricated roof plates 3 and 3' is poured with concrete to form a connecting concrete part 2; the cast-in-situ ridge beam 4 comprises a stirrup 5, an additional stirrup 6 and a ridge beam concrete part 7, wherein the stirrup 5 is embedded in the ridge beam concrete part 7, the bottom of the additional stirrup 6 is embedded in the ridge beam concrete part 7 and is positioned in the middle of the stirrup 5, and the top end of the additional stirrup 6 extends upwards into the connecting concrete part 2; the extending parts of the distributed steel bars 31,32 of the fully prefabricated roof boards 3,3' are overlapped with the extending parts of the additional stirrups 6; the additional reinforcing steel bars 1 are intersected with the additional stirrups 6 and the distribution reinforcing steel bars 31 and 32, namely the additional stirrups 6 and the distribution reinforcing steel bars 31 and 32 are distributed along the length direction of the additional reinforcing steel bars 1, and the additional reinforcing steel bars 1 are inserted in the corners of the additional stirrups 6 and the distribution reinforcing steel bars 31 and 32 or in the fourth intersection parts d of the additional stirrups 6 and the bottoms of the stirrups 5.
The additional stirrups 6 are triangular.
The additional steel bars 1 comprise first steel bars 11 and second steel bars 12, wherein the first steel bars 11 are placed at first crossing parts a of distribution steel bars 31 extending outwards from two obliquely-installed full prefabricated roof boards 3 and are buried in the connecting concrete parts 2; the second reinforcing bars 12 are buried in the connecting concrete portion 2 at the second crossing portion b of the corner of the distribution reinforcing bar 31 and the additional stirrup 6.
The additional bar 1 further comprises a third bar 13 embedded in the ridge beam concrete part 7.
The third reinforcing bars 13 are buried in the fourth crossing portions d of the bottom portions of the stirrups 5 and the additional stirrups 6.
Example 7
Referring to fig. 8: the connecting structure of the full prefabricated sloping roof and the cast-in-situ ridge beam of the embodiment comprises a cast-in-situ ridge beam 4, full prefabricated roof plates 3,3' with one ends of distributed steel bars 31,32 extending outwards and a connecting concrete part 2; the full prefabricated roof boards 3 and 3' are obliquely arranged on two opposite sides of the cast-in-situ ridge beam 4; the joint of the cast-in-situ ridge beam 4 and the full prefabricated roof plates 3 and 3' is poured with concrete to form a connecting concrete part 2; the cast-in-situ ridge beam 4 comprises a stirrup 5, an additional stirrup 6 and a ridge beam concrete part 7, wherein the stirrup 5 is embedded in the ridge beam concrete part 7, the bottom of the additional stirrup 6 is embedded in the ridge beam concrete part 7 and is positioned in the middle of the stirrup 5, and the top end of the additional stirrup 6 extends upwards into the connecting concrete part 2; the extensions of the distribution bars 31,32 in the fully prefabricated roof panels 3,3' overlap with the extensions of the additional stirrups 6.
The construction method of the connection structure of the full prefabricated sloping roof and the cast-in-situ ridge beam of the embodiment comprises the following steps:
1) Manufacturing a cast-in-situ ridge beam: arranging stirrups 5, arranging additional stirrups 6 in the middle of the stirrups 5, and casting ridge beam concrete parts 7 on the stirrups 5;
2) Hoisting a full prefabricated sloping roof: after the concrete part 7 of the ridge beam in the step 1) is solidified, one end of the inclined plane 41 of the fully prefabricated roof slab 3 is hung on the cast-in-situ ridge beam 4, so that the fully prefabricated roof slab 3 is lapped on the inclined plane 41 at the top of the cast-in-situ ridge beam 4, and the distribution steel bars 31 extending in the fully prefabricated roof slab 3 are lapped with the additional stirrups 6;
3) Casting and connecting the concrete part: and pouring concrete at the butt joint of the full prefabricated roof slab 3 and the cast-in-situ ridge beam 4, and curing to form a connecting concrete part 2.
Example 8
The construction method of the connection structure of the fully prefabricated sloping roof and the cast-in-situ ridge beam according to the embodiments 1 and 2 comprises the following steps:
1) Manufacturing a cast-in-situ ridge beam: arranging stirrups 5, arranging additional stirrups 6 in the middle of the stirrups 5, and casting ridge beam concrete parts 7 on the stirrups 5;
2) Hoisting a full prefabricated sloping roof: after the concrete part 7 of the ridge beam in the step 1) is solidified, one end of the inclined plane 41 of the fully prefabricated roof slab 3 is hung on the cast-in-situ ridge beam 4, so that the fully prefabricated roof slab 3 is lapped on the inclined plane 41 at the top of the cast-in-situ ridge beam 4, and the distribution steel bars 31 extending in the fully prefabricated roof slab 3 are lapped with the additional stirrups 6;
3) Arranging additional steel bars: the first steel bars 11 and the second steel bars 12 are respectively arranged at a first intersection a of the distributed steel bars 31 of the full prefabricated roof plate 3, a second intersection b of the corners of the distributed steel bars 31 and the additional stirrups 6;
4) Casting and connecting the concrete part: and pouring concrete at the butt joint of the full prefabricated roof slab 3 and the cast-in-situ ridge beam 4, and curing to form a connecting concrete part 2.
Example 9
The construction method of the connection structure of the full prefabricated sloping roof and the cast-in-situ ridge beam of the embodiments 3-5 comprises the following steps:
1) Manufacturing a cast-in-situ ridge beam: arranging stirrups 5, arranging additional stirrups 6 in the middle of the stirrups 5, after the additional stirrups 6 are placed, placing third reinforcing steel bars 13 at third crossing parts c of the tops of the stirrups 5 and the additional stirrups 6 and/or fourth crossing parts d of the bottoms of the stirrups 5 and the additional stirrups 6, enabling the third reinforcing steel bars 13 to be positioned at the tops and/or bottoms of the ridge beam concrete parts 7, and then casting the ridge beam concrete parts 7 on the stirrups 5;
2) Hoisting a full prefabricated sloping roof: after the concrete part 7 of the ridge beam in the step 1) is solidified, one end of the inclined plane 41 of the fully prefabricated roof slab 3 is hung on the cast-in-situ ridge beam 4, so that the fully prefabricated roof slab 3 is lapped on the inclined plane 41 at the top of the cast-in-situ ridge beam 4, and the distribution steel bars 31 extending in the fully prefabricated roof slab 3 are lapped with the additional stirrups 6;
3) Arranging additional steel bars: the first steel bars 11 and the second steel bars 12 are respectively arranged at a first intersection a of the distributed steel bars 31 of the full prefabricated roof plate 3, a second intersection b of the corners of the distributed steel bars 31 and the additional stirrups 6;
casting and connecting the concrete part: and pouring concrete at the butt joint of the full prefabricated roof slab 3 and the cast-in-situ ridge beam 4, and curing to form a connecting concrete part 2.
Claims (12)
1. The connection structure of the full prefabricated sloping roof and the cast-in-situ ridge beam is characterized by comprising the cast-in-situ ridge beam, a full prefabricated roof plate with one end of a distributed reinforcing steel bar extending outwards and a connection concrete part;
the full-prefabricated roof plates are obliquely arranged on two opposite sides of the cast-in-situ ridge beam, and a connecting concrete part is formed after concrete is poured at the joint of the cast-in-situ ridge beam and the full-prefabricated roof plates;
the cast-in-place ridge beam comprises stirrups, additional stirrups and a ridge beam concrete part, wherein the stirrups are embedded in the ridge beam concrete part, the bottom of each additional stirrup is embedded in the ridge beam concrete part and is positioned in the middle of each stirrup, the top ends of the additional stirrups extend upwards into the connecting concrete part, and the extending parts of the distributed steel bars of the fully prefabricated roof slab are overlapped with the extending parts of the additional stirrups; and two distributed steel bars are obliquely and crossly overlapped, and the overlapped part after intersection is quadrilateral; and after the extending parts of the distributed reinforcing steel bars are overlapped with the extending parts of the additional stirrups, the intersected overlapped parts are pentagons.
2. The connection structure of the fully prefabricated sloping roof and the cast-in-situ ridge beam according to claim 1, further comprising additional reinforcing bars, wherein the additional reinforcing bars, the additional stirrups and the distributed reinforcing bars are in cross connection.
3. The connection structure of the fully prefabricated pitched roof and the cast-in-situ ridge beam according to claim 2, wherein the additional steel bars comprise a first steel bar and a second steel bar, the first steel bar is placed at a first intersection of the distribution steel bars extending from the two obliquely installed fully prefabricated roof boards and is buried in the connection concrete part; the second reinforcing steel bars are embedded in the connecting concrete parts at the second crossing parts of the distributed reinforcing steel bar corners and the additional stirrups.
4. The connection structure of the fully prefabricated sloping roof and the cast-in-situ ridge beam according to claim 2, wherein the additional steel bars further comprise third steel bars embedded in the concrete part of the ridge beam, and the third steel bars are embedded in the third crossing part of the top of the stirrup and the additional stirrup and/or the fourth crossing part of the bottom of the stirrup and the additional stirrup.
5. The connection structure of the fully prefabricated sloping roof and the cast-in-situ ridge beam as claimed in claim 2, wherein the additional reinforcing steel bars are buried in a triangle shape orProfile distribution.
6. The connection structure of the full prefabricated pitched roof and the cast-in-situ ridge beam according to any one of claims 1 to 5, wherein the top of the concrete part of the ridge beam is provided with an inclined plane with the same inclined installation angle as the pitched roof, the length and the width of the full prefabricated roof slab are vertical, and the inclined plane is vertical to the end part of the full prefabricated roof slab; the height of the ridge beam concrete part is 1/2-2/3 of the height of the stirrup.
7. The connection structure of the full prefabricated sloping roof and the cast-in-situ ridge beam according to any one of claims 1-5, wherein the additional stirrups are square or triangular.
8. The connection structure of the full prefabricated sloping roof and the cast-in-situ ridge beam according to claim 7, wherein a heat insulation structure is arranged in the full prefabricated roof slab, and the heat insulation structure is composed of a plurality of heat insulation pieces distributed in an array mode.
9. The connection structure of the full prefabricated sloping roof and the cast-in-situ ridge beam according to claim 8, wherein connecting steel bars are arranged at the gaps between two adjacent heat preservation pieces, and two ends of the connecting steel bars are respectively connected with the distributed steel bars to form a hidden beam.
10. The construction method of the connection structure of the full prefabricated pitched roof and the cast-in-situ ridge beam is characterized in that the connection structure of the full prefabricated pitched roof and the cast-in-situ ridge beam is as set forth in any one of claims 1-9, and comprises the following steps:
1) Manufacturing a cast-in-situ ridge beam: arranging stirrups, arranging additional stirrups in the middle of the stirrups, and casting a ridge beam concrete part on the stirrups;
2) Hoisting a full prefabricated sloping roof: after the concrete part of the ridge beam in the step 1) is solidified, hoisting one end of the fully prefabricated roof slab, which is outwards extended with the distributed steel bars, on the cast-in-situ ridge beam, so that the fully prefabricated roof slab is lapped on inclined planes on two opposite sides of the top of the cast-in-situ ridge beam, and the distributed steel bars which are outwards extended in the fully prefabricated roof slab are lapped with additional stirrups;
3) Casting and connecting the concrete part: and pouring concrete at the butt joint of the full prefabricated roof slab and the cast-in-situ ridge beam, and curing to form a connecting concrete part.
11. The method of constructing a connection structure of a fully prefabricated pitched roof and a cast-in-place ridge beam as claimed in claim 10, further comprising, before step 3):
arranging additional steel bars: and arranging the first steel bars and the second steel bars at a first intersection part of the distributed steel bars of the full prefabricated roof plate, a second intersection part of the distributed steel bar corners and the additional stirrups respectively.
12. The construction method of the connection structure of the full prefabricated sloping roof and the cast-in-situ ridge beam according to claim 10, wherein in the step 1), after the additional stirrup is placed, third reinforcing steel bars are placed at the third crossing part of the top of the stirrup and the additional stirrup and/or at the fourth crossing part of the bottom of the stirrup and the additional stirrup, so that the third reinforcing steel bars are positioned at the top and/or the bottom of the concrete part of the ridge beam.
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| CN201711106799.2A CN107882245B (en) | 2017-11-10 | 2017-11-10 | Connection structure of full prefabricated sloping roof and cast-in-situ ridge beam and construction method thereof |
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| CN107882245A CN107882245A (en) | 2018-04-06 |
| CN107882245B true CN107882245B (en) | 2024-02-23 |
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| CN114837340B (en) * | 2022-04-27 | 2023-10-27 | 广东省交通规划设计研究院集团股份有限公司 | Precast floor sloping roof structure, construction method and precast floor |
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| JP2006037664A (en) * | 2004-07-30 | 2006-02-09 | Taisei Corp | Truss structure made by combining roof panel and horizontal member |
| CN104612241A (en) * | 2015-02-05 | 2015-05-13 | 潘树宾 | Civil building prefabricated member set and assembly method thereof |
| CN205348515U (en) * | 2015-12-01 | 2016-06-29 | 四川华西绿舍建材有限公司 | Oblique roofing system of assembled |
| CN106351380A (en) * | 2016-09-28 | 2017-01-25 | 中民筑友科技投资有限公司 | Roof assembly method |
| CN207568037U (en) * | 2017-11-10 | 2018-07-03 | 远大住宅工业（天津）有限公司 | The connection structure of complete prefabricated inclined roof and cast-in-place ridge pole |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006037664A (en) * | 2004-07-30 | 2006-02-09 | Taisei Corp | Truss structure made by combining roof panel and horizontal member |
| CN104612241A (en) * | 2015-02-05 | 2015-05-13 | 潘树宾 | Civil building prefabricated member set and assembly method thereof |
| CN205348515U (en) * | 2015-12-01 | 2016-06-29 | 四川华西绿舍建材有限公司 | Oblique roofing system of assembled |
| CN106351380A (en) * | 2016-09-28 | 2017-01-25 | 中民筑友科技投资有限公司 | Roof assembly method |
| CN207568037U (en) * | 2017-11-10 | 2018-07-03 | 远大住宅工业（天津）有限公司 | The connection structure of complete prefabricated inclined roof and cast-in-place ridge pole |
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