CN215291623U - Grouting sleeve connection concrete shear steel plate reinforcing structure - Google Patents
Grouting sleeve connection concrete shear steel plate reinforcing structure Download PDFInfo
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- CN215291623U CN215291623U CN202121383834.7U CN202121383834U CN215291623U CN 215291623 U CN215291623 U CN 215291623U CN 202121383834 U CN202121383834 U CN 202121383834U CN 215291623 U CN215291623 U CN 215291623U
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Abstract
The utility model provides a grout muffjoint concrete shear steel plate reinforced structure, including superstructure and substructure, superstructure includes upper precast concrete wallboard, the substructure includes concrete floor between lower concrete wallboard and the two-layer wallboard, wallboard connected node including additional shear steel board and with the two row at least level shears of additional shear steel board complex, the inboard of additional shear steel board glues the steel with the surface of upper precast concrete wallboard and consolidates, the position that corresponds additional shear steel board on the concrete floor is opened has the vertical slot that supplies its male, the level shear piece is the additional pull-joint piece between the shear steel board of both sides around for. The utility model discloses an additional steel sheet reinforcing shear force wall horizontal joint area's that shears ability of shearing selects both sides direct bonding additional steel sheet that shears or opens out the recess on the shear force wall, will attach in the steel sheet that shears puts into the recess, the level piece that shears through both sides draws and connects as an organic whole and further promotes steel sheet and concrete wall effect of shearing jointly.
Description
Technical Field
The utility model relates to a precast concrete reinforced structure, especially a grout muffjoint concrete steel sheet reinforcement structure that shears.
Background
The building industrialization is the key point of national construction and development, the main structure of the current building industrialization is that a wall body is a precast concrete wallboard, a shear wall structure system connected by a grouting sleeve is adopted between the upper part and the lower part, and the problems of high construction quality control difficulty, long construction period, low tensile strength, poor earthquake resistance, poor ductility under the action of an earthquake and easy brittle failure exist. Particularly, in actual construction, because the construction level of workers is uneven, the misalignment between the steel bars and the sleeves is easily caused, and the workers bake the steel bars by using gas welding to forcibly bend the steel bars; the connecting nodes of some precast concrete members are not fully grouted, and the construction quality of part of projects cannot meet the requirements, so that the risk of the precast shear wall system in the earthquake is increased. Therefore, it is necessary to reinforce the project whose quality is not up to the requirement.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a grout muffjoint concrete steel sheet reinforcement structure that shears, there is construction quality substandard in the connected node that will solve prefabricated post and floor to influence the technical problem of house anti-seismic performance.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a shear steel plate reinforced structure of grouting sleeve connection concrete comprises a wallboard connection node, wherein the wallboard connection node comprises an upper structure and a lower structure, the upper structure comprises an upper layer precast concrete wallboard, the lower structure comprises a lower layer concrete wallboard and a concrete floor slab between the two layers of wallboards,
the upper precast concrete wallboard comprises upper vertical wall ribs, upper horizontal wall ribs and upper concrete, the lower precast concrete wallboard comprises lower vertical wall ribs, lower horizontal wall ribs and lower concrete, the upper half part of the grouting sleeve is sleeved at the bottom of the upper vertical wall ribs, the grouting sleeve is positioned in the upper precast concrete wallboard, the lower side surface of the grouting sleeve is flush with or higher than the lower side surface of the upper precast concrete wallboard, the lower vertical wall ribs correspond to the upper vertical wall ribs one to one, the top part of the lower vertical wall ribs penetrates through the concrete floor slab and is anchored into the lower half part of the grouting sleeve, the grouting sleeve is filled with grouting material, and the floor slab comprises upper reinforcing steel bars of the floor slab, lower reinforcing steel bars of the floor slab and floor slab concrete,
the wallboard connecting node also comprises an additional shear-resistant steel plate and at least two rows of horizontal shear-resistant pieces matched with the additional shear-resistant steel plate,
the additional shear steel plates are vertically provided with at least one group along the width direction of the wallboard, two additional shear steel plates in each group are respectively and correspondingly arranged at the front side and the rear side of the wallboard connecting node, the upper part of the additional shear steel plate at each side is tightly attached to the bottom surface of the upper precast concrete wallboard, the lower part of the additional shear steel plate at each side is fixedly connected with the lower structure,
the inner side of the additional shear steel plate is bonded with the surface of the upper precast concrete wallboard for reinforcement, a vertical slot for the additional shear steel plate to be inserted is arranged at the position on the concrete floor slab corresponding to the additional shear steel plate, a rear plugging material is filled in the vertical slot and around the additional shear steel plate,
the horizontal shear resistant part is a pulling part between the front and rear additional shear resistant steel plates, the horizontal shear resistant part comprises an upper layer shear resistant part, an upper layer pore channel for the upper layer shear resistant part to penetrate through is formed in the upper layer precast concrete wallboard, the upper layer pore channel is positioned above the grouting sleeve, the upper layer shear resistant part penetrates into the upper layer pore channel, the two ends of the upper layer shear resistant part are pulled to connect the upper parts of the front and rear additional shear resistant steel plates, the upper layer shear resistant part is fixedly connected with the upper parts of the additional shear resistant steel plates, and the upper layer pore channel is filled with a rear plugging material,
the horizontal shear-resistant part further comprises a lower layer shear-resistant part, a lower layer duct for the lower layer shear-resistant part to penetrate through is formed in the lower structure, the lower layer shear-resistant part penetrates into the lower layer duct, the two ends of the lower layer shear-resistant part are connected with the lower portions of the front and rear sides of the lower layer duct in a pulling mode, the lower layer shear-resistant part is fixedly connected with the lower portions of the additional shear-resistant steel plates, and the lower layer duct is filled with a rear plugging material.
The reinforcement width of the additional shear steel plates is located within the 1/3 area at the wall end of the wall panel connection node.
The outer side surface of the additional shear steel plate protrudes out of the outer side surface of the upper precast concrete wallboard and is attached to the outer side surface of the upper precast concrete wallboard, or the outer side surface of the upper precast concrete wallboard is provided with an upper groove for the additional shear steel plate to be placed in, and the outer side surface of the upper precast concrete wallboard is flush with the outer side surface of the additional shear steel plate.
The vertical slot is non-through and is slotted to the lower part of the plate body of the concrete floor, the lower end of the additional shear-resistant steel plate is inserted into the vertical slot, and the lower-layer pore passage is a floor pore passage which is formed in the concrete floor and through which the lower-layer shear-resistant piece passes.
The vertical slot link up the concrete floor, the lower extreme of additional shear steel sheet passes vertical slot and its lower part is hugged closely and is extended to the top surface of lower floor concrete wallboard, lower floor's pore is opened the lower floor wallboard pore that has the lower floor's shear member of confession to run through on the lower floor concrete wallboard, the inboard of additional shear steel sheet is glued the steel with the surface of lower floor concrete wallboard and is consolidated.
The outside surface evagination of additional shear steel sheet in the outside surface of lower floor concrete wallboard and rather than the laminating, perhaps the outside surface of lower floor concrete wallboard avoids reinforcing bar and grout sleeve position to open and has the lower floor's recess that supplies additional shear steel sheet to put into, the outside surface of lower floor concrete wallboard and the outside surface parallel and level of additional shear steel sheet.
Compared with the prior art the utility model has the following characteristics and beneficial effect:
the utility model provides a connected node of prefabricated post and floor have construction quality not up to standard to influence house anti-seismic performance's technical problem. Aiming at the defects of the existing wallboard connecting node, the shear resistance of the horizontal joint area of the shear wall is enhanced by adopting the additional shear steel plate for the reinforcing structure, the additional shear steel plate is directly adhered to two sides of the shear wall or a groove is formed in the shear wall, the additional shear steel plate is placed in the groove and then is pulled and connected into a whole through the horizontal shear pieces on the two sides, the combination of the additional shear steel plate and the horizontal shear pieces is used for further improving the common shear action of the steel plate and the concrete wall, the additional shear steel plate is placed in the wall end area and is not more than 1/3 of the wall length, and the bending resistance bearing capacity of the wall is properly improved.
The utility model discloses consolidate the structure, can effectively promote the anti shearing bearing capacity of grout muffjoint concrete shear force wall, suitably promote the bending resistance bearing capacity of grout muffjoint concrete shear force wall to easily be under construction. The additional shear steel plate in the reinforcing structure can be arranged above the steel bar at the bottom of the floor slab as required, so that the interference on the use of a lower-layer house is reduced, and the shear bearing capacity of the position can be further enhanced by penetrating through the floor slab. The additional shear steel plate is convenient to process and use, and can be made of stainless steel, weathering steel or the outer side of the additional shear steel plate is wrapped with concrete to generate an anti-corrosion effect.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a second embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a third embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a fourth embodiment of the present invention.
Fig. 5 is a schematic view of a cross-sectional structure of the position a-a and the position E-E according to the third embodiment of the present invention.
Fig. 6 is a schematic sectional view of the B-B position and the F-F position according to the third embodiment of the present invention.
Fig. 7 is a schematic sectional view of the C-C position of the second embodiment and the G-G position of the fourth embodiment of the present invention.
Fig. 8 is a schematic diagram of the sectional structure of the H-H position in the second embodiment and the second embodiment of the present invention.
Reference numerals: 1-upper precast concrete wallboard, 11-upper vertical wall reinforcement, 12-upper horizontal wall reinforcement, 13-upper concrete, 2-lower concrete wallboard, 21-lower vertical wall reinforcement, 22-lower horizontal wall reinforcement, 23-lower concrete, 3-concrete floor slab, 31-floor slab upper reinforcement, 32-floor slab lower reinforcement, 33-floor slab concrete, 4-grouting sleeve, 5-additional shear steel plate, 6-horizontal shear piece, 61-upper shear piece, 62-lower shear piece, 7-vertical slot, 8-rear plugging material, 9-upper pore channel, 10-lower wallboard pore channel and 14-floor pore channel.
Detailed Description
First embodiment referring to fig. 1, 5 and 6, a grout sleeve joint concrete shear steel plate reinforcement structure includes a wall panel joint node including an upper structure including an upper precast concrete wall panel 1 and a lower structure including a lower concrete wall panel 2 and a concrete floor panel 3 between the two wall panels. The lower layer concrete wallboard is a prefabricated wallboard or a cast-in-place wallboard.
The upper precast concrete wallboard comprises an upper wall vertical rib 11, an upper wall horizontal rib 12 and upper wall concrete 13, the lower precast concrete wallboard comprises a lower wall vertical rib 21, a lower wall horizontal rib 22 and lower wall concrete 23, the upper half part of the grouting sleeve 4 is sleeved at the bottom of the upper wall vertical rib 11, the grouting sleeve 4 is positioned in the upper precast concrete wallboard and the lower side surface of the grouting sleeve is flush with or higher than the lower side surface of the upper precast concrete wallboard 1, the lower wall vertical rib 21 and the upper wall vertical rib 11 correspond one to one, the top of the lower wall vertical rib 21 penetrates through the concrete floor slab 3 to be anchored into the lower half part of the grouting sleeve 4, grouting slurry is filled in the grouting sleeve, and the floor slab comprises a floor slab upper reinforcing steel bar 31, a floor slab lower reinforcing steel bar 32 and floor slab concrete 33.
The wallboard connecting node further comprises an additional shear steel plate 5 and two rows of horizontal shear pieces 6 matched with the additional shear steel plate 5. The reinforcement width of the additional shear steel plates 5 is located within the 1/3 area of the wall end of the wall panel connection node.
The additional shear steel plate 5 is vertical to be provided with at least a set of along the width direction of wallboard, and every group adds shear steel plate 5 totally two, corresponds the setting respectively in wallboard connected node's front and back both sides, and the bottom surface of upper precast concrete wallboard 1 is all hugged closely on the upper portion of the additional shear steel plate 5 of every side, and the lower part and the substructure fixed connection of the additional shear steel plate 5 of every side.
The inner side of the additional shear steel plate 5 is reinforced with the surface adhesive steel of the upper precast concrete wallboard 1, a vertical slot 7 for inserting the additional shear steel plate is formed in the position, corresponding to the additional shear steel plate, of the concrete floor slab 3, the insertion depth of the additional shear steel plate 5 is based on the upper skin of the lower layer steel bar 32 of the floor slab, and the rear plugging material 8 is filled in the vertical slot 7 and around the additional shear steel plate.
The horizontal shear resistant part 6 is a pulling part between the front and rear side additional shear resistant steel plates, the horizontal shear resistant part comprises an upper layer shear resistant part 61, an upper layer pore channel 9 for the upper layer shear resistant part 61 to penetrate through is formed in the upper layer precast concrete wallboard, the upper layer pore channel 9 is positioned above the grouting sleeve 4, the upper layer shear resistant part 61 penetrates into the upper layer pore channel 9, the two ends of the upper layer shear resistant part are pulled to connect the upper parts of the front and rear side additional shear resistant steel plates 5, the upper layer shear resistant part 61 is fixedly connected with the upper parts of the additional shear resistant steel plates, and the upper layer pore channel 9 is filled with a rear plugging material 8.
The horizontal shear-resistant part 6 further comprises a lower layer shear-resistant part 62, a lower layer duct through which the lower layer shear-resistant part 62 penetrates is formed in the lower layer structure, the lower layer shear-resistant part 62 penetrates into the lower layer duct, the two ends of the lower layer shear-resistant part are connected with the lower parts of the front and rear additional shear-resistant steel plates 5 in a pulling mode, the lower layer shear-resistant part 62 is fixedly connected with the lower parts of the additional shear-resistant steel plates, and the lower layer duct is filled with a rear plugging material 8.
The horizontal shear resistant part and the additional shear resistant steel plate are fixedly connected in a bolting, welding or riveting mode. In this embodiment a bolt-anchored connection. The upper layer pore path is provided with two rows along the height direction of the wall board, and four paths are arranged in the width direction of each row.
The outer side surface of the additional shear steel plate 5 protrudes out of and is attached to the outer side surface of the upper precast concrete wall panel 1. The vertical slot 7 is non-through slotted to the lower part of the concrete floor slab 3, the lower end of the additional shear steel plate 5 is inserted into the vertical slot 7, and the lower-layer pore passage is a floor slab pore passage 14 which is formed in the concrete floor slab 3 and through which the lower-layer shear-resistant piece 62 passes. The lower layer pore canal is provided with two rows along the height direction of the wallboard, and four channels are arranged along the width direction of each row.
The width that sets up of vertical slot is greater than the width of additional shear steel sheet 5, and the outer contour line parallel and level of the inboard contour line of vertical slot and wallboard or the inboard of orientation wallboard surpass the outer contour line of wallboard. In this embodiment, the inside contour line of vertical slot is flush with the outer contour line of wallboard or exceeds the outer contour line of wallboard towards the inboard of wallboard.
The construction method of the grouting sleeve connected concrete shear steel plate reinforcing structure comprises the following construction steps:
firstly, processing and manufacturing an additional shear steel plate 5 and a horizontal shear part 6 in a factory;
step two, performing surface treatment on the upper precast concrete wallboard 1 at the reinforced part to expose stones and avoid manufacturing an upper pore channel 9 and a lower pore channel by using reinforcing steel bars;
step three, performing surface treatment on the concrete floor slab at the reinforced part to expose stones and avoid manufacturing vertical slots 7 by using reinforcing steel bars;
step four, installing an additional shear-resistant steel plate 5, enabling the upper-layer shear-resistant part 61 to penetrate through the upper-layer duct 9, enabling the lower-layer shear-resistant part 62 to penetrate through the lower-layer duct, and then fixedly connecting the upper-layer shear-resistant part 61 and the lower-layer shear-resistant part 62 with the additional shear-resistant steel plate;
fifthly, pouring a rear plugging material 8 in the vertical slot 7; the upper layer pore canal 9 and the lower layer pore canal are also filled with the post-plugging material 8;
and step six, curing the plugging material 8 to a preset strength.
Second embodiment referring to fig. 2, 7 and 8, unlike the first embodiment, the outer side surface of the upper precast concrete wall panel 1 is provided with an upper groove into which the additional shear steel plate 5 is inserted, avoiding the position of the reinforcing bars and the grouting sleeves, and the outer side surface of the upper precast concrete wall panel 1 is flush with the outer side surface of the additional shear steel plate 5.
Compared with the first embodiment, the construction method for the grouting sleeve connected concrete shear steel plate reinforcing structure has the following additional construction steps: and constructing an upper-layer groove in the second step, and arranging an additional shear-resistant steel plate 5 in the upper-layer groove.
Third embodiment referring to fig. 3, 5 and 6, a grout sleeve joint concrete shear steel plate reinforcement structure includes a wall panel joint node including an upper structure including an upper precast concrete wall panel 1 and a lower structure including a lower concrete wall panel 2 and a concrete floor panel 3 between the two wall panels.
The upper precast concrete wallboard comprises an upper wall vertical rib 11, an upper wall horizontal rib 12 and upper wall concrete 13, the lower precast concrete wallboard comprises a lower wall vertical rib 21, a lower wall horizontal rib 22 and lower wall concrete 23, the upper half part of the grouting sleeve 4 is sleeved at the bottom of the upper wall vertical rib 11, the grouting sleeve 4 is positioned in the upper precast concrete wallboard and the lower side surface of the grouting sleeve is flush with or higher than the lower side surface of the upper precast concrete wallboard 1, the lower wall vertical rib 21 and the upper wall vertical rib 11 correspond one to one, the top of the lower wall vertical rib 21 penetrates through the concrete floor slab 3 to be anchored into the lower half part of the grouting sleeve 4, grouting slurry is filled in the grouting sleeve, and the floor slab comprises a floor slab upper reinforcing steel bar 31, a floor slab lower reinforcing steel bar 32 and floor slab concrete 33.
The wallboard connecting node further comprises an additional shear steel plate 5 and two rows of horizontal shear pieces 6 matched with the additional shear steel plate 5. The reinforcement width of the additional shear steel plates 5 is located within the 1/3 area of the wall end of the wall panel connection node.
The additional shear steel plate 5 is vertical to be provided with at least a set of along the width direction of wallboard, and every group adds shear steel plate 5 totally two, corresponds the setting respectively in wallboard connected node's front and back both sides, and the bottom surface of upper precast concrete wallboard 1 is all hugged closely on the upper portion of the additional shear steel plate 5 of every side, and the lower part and the substructure fixed connection of the additional shear steel plate 5 of every side.
The inner side of the additional shear steel plate 5 is reinforced with the surface adhesive steel of the upper precast concrete wallboard 1, a vertical slot 7 for inserting the additional shear steel plate is formed in the position, corresponding to the additional shear steel plate, of the concrete floor slab 3, the insertion depth of the additional shear steel plate 5 is based on the upper skin of the lower layer steel bar 32 of the floor slab, and the rear plugging material 8 is filled in the vertical slot 7 and around the additional shear steel plate.
The horizontal shear resistant part 6 is a pulling part between the front and rear side additional shear resistant steel plates, the horizontal shear resistant part comprises an upper layer shear resistant part 61, an upper layer pore channel 9 for the upper layer shear resistant part 61 to penetrate through is formed in the upper layer precast concrete wallboard, the upper layer pore channel 9 is positioned above the grouting sleeve 4, the upper layer shear resistant part 61 penetrates into the upper layer pore channel 9, the two ends of the upper layer shear resistant part are pulled to connect the upper parts of the front and rear side additional shear resistant steel plates 5, the upper layer shear resistant part 61 is fixedly connected with the upper parts of the additional shear resistant steel plates, and the upper layer pore channel 9 is filled with a rear plugging material 8.
The horizontal shear-resistant part 6 further comprises a lower layer shear-resistant part 62, a lower layer duct through which the lower layer shear-resistant part 62 penetrates is formed in the lower layer structure, the lower layer shear-resistant part 62 penetrates into the lower layer duct, the two ends of the lower layer shear-resistant part are connected with the lower parts of the front and rear additional shear-resistant steel plates 5 in a pulling mode, the lower layer shear-resistant part 62 is fixedly connected with the lower parts of the additional shear-resistant steel plates, and the lower layer duct is filled with a rear plugging material 8.
The horizontal shear resistant part and the additional shear resistant steel plate are fixedly connected in a bolting, welding or riveting mode. In this embodiment a bolt-anchored connection. The upper layer pore path is provided with two rows along the height direction of the wall board, and four paths are arranged in the width direction of each row.
The outer side surface of the additional shear steel plate 5 protrudes out of and is attached to the outer side surface of the upper precast concrete wall panel 1.
The vertical slot 7 link up concrete floor 3, the lower extreme of additional shear steel sheet 5 passes vertical slot 7 and its lower part is hugged closely and is extended to the top surface of lower floor concrete wallboard 2, lower floor's pore is opened lower floor's wallboard pore 10 that supplies lower floor's shear-resistant member 62 to run through on the lower floor concrete wallboard, the inboard of additional shear steel sheet 5 glues the steel with the surface of lower floor concrete wallboard 2 and consolidates. The lower layer pore canal is provided with two rows along the height direction of the wallboard, and four channels are arranged along the width direction of each row.
The width that sets up of vertical slot is greater than the width of additional shear steel sheet 5, and the outer contour line parallel and level of the inboard contour line of vertical slot and wallboard or the inboard of orientation wallboard surpass the outer contour line of wallboard. In this embodiment, the inside contour line of vertical slot is flush with the outer contour line of wallboard or exceeds the outer contour line of wallboard towards the inboard of wallboard.
The construction method of the grouting sleeve connected concrete shear steel plate reinforcing structure comprises the following construction steps:
firstly, processing and manufacturing an additional shear steel plate 5 and a horizontal shear part 6 in a factory;
step two, performing surface treatment on the upper precast concrete wallboard 1 at the reinforced part to expose stones and avoid manufacturing an upper pore channel 9 and a lower pore channel by using reinforcing steel bars; carrying out surface treatment on the lower-layer concrete wallboard 2 at the reinforcing part to expose stones and avoid manufacturing a lower-layer pore passage 10 by using reinforcing steel bars;
step three, performing surface treatment on the concrete floor slab at the reinforced part to expose stones and avoid manufacturing vertical slots 7 by using reinforcing steel bars;
step four, installing an additional shear-resistant steel plate 5, enabling the upper-layer shear-resistant part 61 to penetrate through the upper-layer duct 9, enabling the lower-layer shear-resistant part 62 to penetrate through the lower-layer duct, and then fixedly connecting the upper-layer shear-resistant part 61 and the lower-layer shear-resistant part 62 with the additional shear-resistant steel plate; installing an additional shear steel plate 5, and anchoring a lower layer shear part 62 through the lower layer duct 10;
fifthly, pouring a rear plugging material 8 in the vertical slot 7; the upper layer pore canal 9 and the lower layer pore canal are also filled with the post-plugging material 8; plugging the lower layer pore canal 10 and then plugging the material 8;
and step six, curing the plugging material 8 to a preset strength.
Fourth embodiment referring to fig. 4, 7 and 8, unlike the third embodiment, the outer side surface of the lower concrete wall panel 2 is provided with a lower groove into which the additional shear steel plates 5 are inserted, avoiding the positions of the reinforcing bars and the grouting sleeves, and the outer side surface of the lower concrete wall panel 2 is flush with the outer side surface of the additional shear steel plates 5.
Compared with the embodiment, the construction method for the grouting sleeve connected concrete shear steel plate reinforcing structure has the following three additional construction steps: and constructing an upper-layer groove in the second step, and arranging an additional shear-resistant steel plate 5 in the upper-layer groove.
In the above embodiments, the plate body may be a general steel plate, stainless steel, or weathering steel. The width of the additional shear steel plate is not less than 20 mmm. The concrete floor is a prefabricated floor, a composite floor or a cast-in-place floor. The rear plugging material is grouting material, concrete or cement mortar. The steel plate is bonded on the surface of a concrete member by adopting a high-performance epoxy adhesive, so that the steel plate and the concrete form a unified whole, and the purpose of enhancing the bearing capacity and the rigidity of the member is achieved by utilizing the good tensile strength of the steel plate.
Claims (6)
1. The utility model provides a grout muffjoint concrete steel sheet reinforcement structure that shears, includes wallboard connected node, its characterized in that: the wallboard connecting node comprises an upper structure and a lower structure, the upper structure comprises an upper layer of prefabricated concrete wallboard (1), the lower structure comprises a lower layer of concrete wallboard (2) and a concrete floor slab (3) between two layers of wallboards,
the upper precast concrete wallboard comprises upper wall vertical ribs (11), upper wall horizontal ribs (12) and upper wall concrete (13), the lower precast concrete wallboard comprises lower wall vertical ribs (21), lower wall horizontal ribs (22) and lower wall concrete (23), the first half of the grouting sleeve (4) is sleeved at the bottom of the upper wall vertical ribs (11), the grouting sleeve (4) is positioned in the upper precast concrete wallboard and the lower side surface of the grouting sleeve is flush with the lower side surface of the upper precast concrete wallboard (1) or higher than the lower side surface, the lower wall vertical ribs (21) are in one-to-one correspondence with the upper wall vertical ribs (11), the top of the lower wall vertical ribs (21) penetrates through the concrete floor slab (3) to be anchored into the lower half of the grouting sleeve (4), the grouting sleeve is filled with grouting material, and the floor slab comprises floor slab upper reinforcing bars (31), Floor slab lower layer steel bars (32) and floor slab concrete (33),
the wallboard connecting node also comprises an additional shear-resistant steel plate (5) and at least two rows of horizontal shear-resistant pieces (6) matched with the additional shear-resistant steel plate (5),
the additional shear steel plates (5) are vertically provided with at least one group along the width direction of the wallboard, two additional shear steel plates (5) in each group are respectively and correspondingly arranged at the front side and the rear side of the wallboard connecting node, the upper part of each additional shear steel plate (5) is tightly attached to the bottom surface of the upper precast concrete wallboard (1), the lower part of each additional shear steel plate (5) is fixedly connected with a lower structure,
the inner side of the additional shear steel plate (5) is bonded with the surface of the upper precast concrete wallboard (1) for reinforcement, a vertical slot (7) for the insertion of the additional shear steel plate is arranged on the concrete floor slab (3) corresponding to the position of the additional shear steel plate, a rear plugging material (8) is filled in the vertical slot (7) and around the additional shear steel plate,
the horizontal shear resistant part (6) is a pulling part between the front and rear additional shear resistant steel plates, the horizontal shear resistant part comprises an upper layer shear resistant part (61), an upper layer pore canal (9) for the upper layer shear resistant part (61) to penetrate through is formed in the upper layer precast concrete wallboard, the upper layer pore canal (9) is positioned above the grouting sleeve (4), the upper layer shear resistant part (61) penetrates into the upper layer pore canal (9) and the two ends of the upper layer shear resistant part are pulled to connect the upper parts of the front and rear additional shear resistant steel plates (5), the upper layer shear resistant part (61) is fixedly connected with the upper parts of the additional shear resistant steel plates, and the upper layer pore canal (9) is filled with a rear plugging material (8),
the horizontal shear-resistant part (6) further comprises a lower-layer shear-resistant part (62), a lower-layer duct through which the lower-layer shear-resistant part (62) penetrates is formed in the lower-layer duct, the two ends of the lower-layer shear-resistant part (62) penetrate into the lower-layer duct, the front side and the rear side of the lower-layer shear-resistant part are connected with the lower portion of an additional shear-resistant steel plate (5) in a pulling mode, the lower-layer shear-resistant part (62) is fixedly connected with the lower portion of the additional shear-resistant steel plate, and a rear plugging material (8) is filled in the lower-layer duct.
2. The structure of reinforcing a grout sleeve to connect a concrete shear steel plate according to claim 1, wherein: the reinforcement width of the additional shear steel plates (5) is located within the 1/3 area of the wall end of the wall panel connection node.
3. The structure of reinforcing a grout sleeve to connect a concrete shear steel plate according to claim 1, wherein: the outer side surface of the additional shear steel plate (5) protrudes outwards from the outer side surface of the upper precast concrete wallboard (1) and is attached to the outer side surface of the upper precast concrete wallboard, or the outer side surface of the upper precast concrete wallboard (1) is provided with an upper groove for the additional shear steel plate (5) to be placed in by avoiding the positions of the steel bars and the grouting sleeve, and the outer side surface of the upper precast concrete wallboard (1) is flush with the outer side surface of the additional shear steel plate (5).
4. A grout sleeve joint concrete shear steel plate reinforcing structure according to any one of claims 1 to 3, wherein: the concrete floor slab is characterized in that the vertical slots (7) are not communicated and are slotted to the lower part of the slab body of the concrete floor slab (3), the lower ends of the additional shear-resistant steel plates (5) are inserted into the vertical slots (7), and the lower-layer pore channels are floor pore channels (14) which are formed in the concrete floor slab (3) and are used for allowing the lower-layer shear-resistant pieces (62) to penetrate through.
5. A grout sleeve joint concrete shear steel plate reinforcing structure according to any one of claims 1 to 3, wherein: vertical slot (7) link up concrete floor (3), the lower extreme of additional shear steel sheet (5) passes vertical slot (7) and its lower part is hugged closely and is extended to the top surface of lower floor concrete wallboard (2), lower floor's pore is lower floor's wallboard pore (10) that lower floor's shear-resistant member (62) of confession run through for lower floor's concrete wallboard goes up to open, the inboard of additional shear steel sheet (5) is consolidated with the surface bonding steel of lower floor concrete wallboard (2).
6. The structure of reinforcing a grout sleeve to connect a concrete shear steel plate according to claim 5, wherein: the outside surface evagination of additional shear steel sheet (5) is in the outside surface of lower floor concrete wallboard (2) and with its laminating, perhaps the outside surface of lower floor concrete wallboard (2) avoids reinforcing bar and grout sleeve position to open the lower floor's recess that supplies additional shear steel sheet (5) to put into, the outside surface of lower floor concrete wallboard (2) and the outside surface parallel and level of additional shear steel sheet (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121383834.7U CN215291623U (en) | 2021-06-22 | 2021-06-22 | Grouting sleeve connection concrete shear steel plate reinforcing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121383834.7U CN215291623U (en) | 2021-06-22 | 2021-06-22 | Grouting sleeve connection concrete shear steel plate reinforcing structure |
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| Publication Number | Publication Date |
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| CN215291623U true CN215291623U (en) | 2021-12-24 |
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| CN202121383834.7U Active CN215291623U (en) | 2021-06-22 | 2021-06-22 | Grouting sleeve connection concrete shear steel plate reinforcing structure |
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| Country | Link |
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| CN (1) | CN215291623U (en) |
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2021
- 2021-06-22 CN CN202121383834.7U patent/CN215291623U/en active Active
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