CN111231075A - Forming die of anti-seismic prefabricated wall beam structure and construction method thereof - Google Patents
Forming die of anti-seismic prefabricated wall beam structure and construction method thereof Download PDFInfo
- Publication number
- CN111231075A CN111231075A CN202010067115.8A CN202010067115A CN111231075A CN 111231075 A CN111231075 A CN 111231075A CN 202010067115 A CN202010067115 A CN 202010067115A CN 111231075 A CN111231075 A CN 111231075A
- Authority
- CN
- China
- Prior art keywords
- cavity
- wallboard
- block
- wall
- pouring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
- B28B13/02—Feeding the unshaped material to moulds or apparatus for producing shaped articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/22—Moulds for making units for prefabricated buildings, i.e. units each comprising an important section of at least two limiting planes of a room or space, e.g. cells; Moulds for making prefabricated stair units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/38—Treating surfaces of moulds, cores, or mandrels to prevent sticking
- B28B7/384—Treating agents
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Structural Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The invention relates to a forming die of an anti-seismic prefabricated wall beam structure and a construction method thereof, and the forming die comprises wall plate forming die seats and beam forming die seats, wherein the beam forming die plates are fixedly connected to the same end of the two wall plate forming die seats in a crossing manner, the beam forming die seats are provided with beam cavities along the length direction of the beam forming die seats, the wall plate forming die seats are provided with wall plate cavities communicated with the beam cavities, the forming die further comprises a cavity reserving block, a pouring pipe and a limiting block, the cavity reserving block is positioned in the wall plate cavities and is attached to the interface of the wall plate cavities and the beam cavities, two ends of the cavity reserving block in the length direction are respectively provided with a threaded hole, and a; the pouring pipe is bundled in the beam embedded rib; the limiting block is provided with four blocks, the longitudinal section of the limiting block is the same as that of the cavity block, a limiting pipe is bound in the pre-buried rib of the wallboard, and a limiting rod used for limiting the limiting block is detachably inserted in the limiting pipe. The prefabricated wall beam structure with good anti-seismic effect can be formed.
Description
Technical Field
The invention relates to an assembly type wall body, in particular to a forming die of an anti-seismic prefabricated assembly type wall beam structure and a construction method thereof.
Background
The prefabricated wall body conforms to the national development of green building materials, takes the file spirit of the Qin brick and Han tile as a note, and aims to save energy consumption, reduce dust emission, reduce cost, accelerate construction progress, reduce labor and improve wall quality. The assembled outer enclosing wall body is an important component of the assembled wall body and plays an important role in building structures.
At present, the design has a prefabricated assembled wall beam structure in the building field, refer to fig. 1, and it includes prefabricated wallboard 10 and precast beam 9, and prefabricated wallboard 10 is located precast beam 9's both ends, and mutually perpendicular sets up between the precast beam 9, and precast beam 9 and precast wallboard 10 form through concrete monolithic pouring. When the prefabricated wall beam structure is manufactured, the prefabricated wall beam structure is generally manufactured in a mode of integrally pouring a die, the die comprises a wallboard forming die holder and a beam forming die holder, the wallboard forming die holders are located at two ends of the beam forming die holder and are perpendicular to the beam forming die holder, a wallboard cavity of the prefabricated wallboard 10 and a beam cavity of the formed beam are formed in the wallboard forming die holder, and the beam cavity is communicated with the wallboard cavity. When the prefabricated wall beam structure is manufactured, workers bind the wallboard embedded ribs in the wallboard cavity, bind the beam embedded ribs in the beam cavity, pour concrete towards the wallboard cavity and the beam cavity after binding is completed, and after standing for a period of time, the concrete is solidified to form the prefabricated wall beam structure.
Although the prefabricated wall beam structure is manufactured by adopting the mode of integrally prefabricating the die, the prefabricated wall beam structure has the advantages of environmental protection, low cost, less labor consumption and the like, in the actual use process, the prefabricated wall plate 10 is in rigid connection with the prefabricated beam 9, when the prefabricated wall plate structure is in an earthquake environment, the prefabricated wall plate 10 is extremely easy to break at the joint of the prefabricated beam 9 due to earthquake impact, and the safety performance of the wall beam structure is influenced.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a forming die of an anti-seismic prefabricated wall beam structure and a construction method thereof, which can form the prefabricated wall beam structure with good anti-seismic effect.
The above object of the present invention is achieved by the following technical solutions:
the forming die comprises two wallboard forming die holders and two beam forming die holders, wherein the two wallboard forming die holders are oppositely arranged, the beam forming die holders are fixedly connected to the same end of the two wallboard forming die holders in a crossing manner, the beam forming die holders are provided with beam cavities along the length direction of the beam forming die holders, the wallboard forming die holders are provided with wallboard cavities communicated with the beam cavities, the forming die further comprises a cavity reserving block, a pouring pipe and a limiting block, the cavity reserving block is positioned in the wallboard cavities and attached to the interface of the wallboard cavities and the beam cavities, the length of the cavity reserving block is equal to the width of the wallboard cavities, two ends of the cavity reserving block in the length direction are respectively provided with threaded holes, fastening rods are connected in the threaded holes, and one ends, far away from the cavity reserving block, of the fastening rods penetrate out of the side wall of the wallboard forming die holders; the pouring pipe is bundled in the beam embedded rib, one end of the pouring pipe is attached to the side face, facing the beam cavity, of the cavity reserving block, and the other end of the pouring pipe is attached to the inner side wall, far away from the wallboard cavity, of the beam cavity; the stopper is equipped with four, and its longitudinal section is the same with the longitudinal section of staying the chamber piece, and the ligature has spacing pipe in the pre-buried muscle of wallboard, spacing pipe is close to and is provided with a plurality ofly respectively in the both ends of staying the chamber piece, can dismantle to insert in the spacing pipe and be equipped with the gag lever post that is used for restricting the stopper.
Through adopting above-mentioned technical scheme, when carrying out the preparation of prefabricated assembled wall roof beam structure, the staff ties up roof beam embedded bar and wallboard embedded bar respectively at roof beam chamber and wallboard intracavity, ties up the completion back, and the installation stays the chamber piece, stays the chamber piece and passes through the anchorage bar and stabilize in the wallboard intracavity. After the cavity block is kept stable, the pouring pipes are tied up in the beam embedded ribs, the limiting pipes are tied up in the wallboard embedded ribs, then the workers pour concrete into the beam cavity and the wallboard cavity, and demolding is carried out after the concrete is condensed. And after demoulding, the cavity block is pulled out to form a cavity, the limiting blocks are plugged into the cavity hole, the limiting blocks are positioned at two ends of the cavity, and the axis of the pouring tube is positioned between the two limiting blocks. After the limiting block is plugged into the cavity formed by the cavity block, a worker inserts the limiting rod, so that the limiting block is limited. After the limiting blocks are installed, liquid polyurethane materials are poured into the cavities between the limiting blocks through the pouring pipes, and after the liquid polyurethane materials are solidified for a period of time, a polyurethane plate is formed between the two limiting blocks. And finally, the staff draws out the limiting rod and the limiting block, and fills the cavity formed by the filling pipe and the cavity block with concrete, so that the manufacturing of the anti-seismic prefabricated wall beam structure is completed. When the prefabricated wall beam structure is manufactured, the polyurethane plate is filled between the prefabricated beam and the prefabricated wall plate, and the polyurethane plate has the characteristics of earthquake resistance and pressure reduction, can absorb earthquake energy and has a buffering effect on structural deformation, so that the earthquake resistance of the joint of the prefabricated wall plate and the prefabricated beam is improved.
The present invention in a preferred example may be further configured to: the coaxial joint of one end of staying the chamber piece of pouring tube is had the extension pipe, the internal diameter on the extension pipe is the same with the internal diameter of pouring tube, the cover is equipped with down and presses the cover on the extension pipe, fixedly connected with stretches into extension pipe and the intraductal depression bar of pouring in the cover down.
Through adopting above-mentioned technical scheme, after liquid polyurethane material pours into the cavity into, the staff embolias down the cover on the extension pipe, and the in-process that descends is pushed down to the cover, and its depression bar can exert pressure to liquid polyurethane material, and in the in-process of exerting pressure, polyurethane material can evenly spread in the cavity that remains the chamber piece and form to this makes the polyurethane board that forms can seamless laminating in the cavity that remains the chamber piece and form.
The present invention in a preferred example may be further configured to: the glass tube is inserted into the pouring tube and the extension tube, the outer side wall of the glass tube is attached to the inner side wall of the extension tube, a connecting side edge is integrally formed at the edge of the end face, away from the cavity block, of the glass tube, the connecting side edge abuts against the end face, away from the pouring tube, of the extension tube, and the connecting side edge is locked on the end face, away from the pouring tube, of the extension tube through a bolt.
By adopting the technical scheme, the glass tube improves the smoothness of the liquid polyurethane material in the falling process, reduces the possibility of wall sticking of the liquid polyurethane material and improves the utilization rate of the liquid polyurethane.
The present invention in a preferred example may be further configured to: one end of the pressure lever, which is close to the cavity block, is connected with a sealing plug through a bolt, and the outer diameter of the sealing plug is not less than the inner diameter of the glass tube.
Through adopting above-mentioned technical scheme, when compressing tightly liquid polyurethane material, the setting of sealing plug has reduced the possibility that liquid polyurethane material spills over, has improved liquid polyurethane material's utilization ratio.
The present invention in a preferred example may be further configured to: the lateral wall of extension pipe is the screw thread setting, push down cover threaded connection in extension pipe.
Through adopting above-mentioned technical scheme, when moving down and pushing down the cover, the staff can realize through rotatory pushing down the cover, and rotatory in-process pushes down the cover and slowly pushes down, and the application of force is comparatively even, has improved the final effect that compresses tightly of polyurethane material.
The present invention in a preferred example may be further configured to: the fastening rod is a threaded rod, and a fastening nut is connected to the rod body of the fastening rod penetrating through the wallboard forming die holder in a threaded mode.
Through adopting above-mentioned technical scheme, fastening nut can lock the fastening rod to this stability of staying the chamber piece has been improved.
The utility model provides a construction method of forming die of prefabricated assembled wall beam structure of antidetonation type which characterized in that: the method comprises the following steps:
s1, binding wallboard embedded ribs in the wallboard cavity, binding beam embedded ribs in the beam cavity, binding limiting pipes in the wallboard embedded ribs after the wallboard embedded ribs and the beam embedded ribs are bound, and binding pouring pipes in the beam embedded ribs;
s2, placing a cavity reserving block in the wallboard embedded rib, when one surface of the cavity reserving block facing the beam embedded rib is attached to an interface between a wallboard cavity and a beam cavity, and the cavity reserving block is abutted against the end surfaces of the pouring tube and the limiting tube, a worker penetrates a fastening rod through the side wall of the wallboard forming die holder and enables the end part of the fastening rod to be in threaded connection with the cavity reserving block, and after the cavity reserving block is stable, the worker screws a fastening nut on the fastening rod until the fastening nut is tightly pressed on the outer side wall of the wallboard forming die holder;
s3, respectively coating film coating agents on the outer surface of the cavity block, the inner side wall of the wallboard cavity and the inner side wall of the beam cavity, pouring concrete into the beam cavity and the wallboard cavity, vibrating, and standing for a period of time after vibrating is completed to form a reinforced concrete wall beam structure;
s4, screwing out the fastening nut and the fastening rod, and then separating the wall beam structure from the wall plate forming die holder and the beam forming die holder;
s5, screwing the fastening rod into the cavity reserving block, pulling out the cavity reserving block through the fastening rod to reserve a cavity on the wallboard, then respectively plugging two limiting blocks into two ends of the cavity, adjusting the positions of the limiting blocks to enable the limiting blocks at the two ends to be positioned between the limiting pipes at the two ends, inserting a rod piece into the limiting pipes in a sudden manner, and blocking the limiting blocks by utilizing the rod piece;
s6, clamping an extension pipe on the pouring pipe, inserting a glass pipe into the pouring pipe and the extension pipe, and fastening the connecting side edge of the guide rod on the end surface of the extension pipe by a worker through a bolt;
s7, pouring liquid polyurethane material into a cavity formed by the glass tube towards the cavity reserving block, wherein the polyurethane material is positioned between the two limiting blocks, when the poured polyurethane material enters the glass tube, a worker sleeves the extension tube with a pressing sleeve, and the worker twists the pressing sleeve to enable the pressing sleeve to move downwards along a thread line casting on the outer side wall of the extension tube, and in the downwards moving process, the sealing plug compresses the polyurethane material;
s8, after the polyurethane material is solidified into the polyurethane plate, the worker takes out the pressing sleeve, the glass tube, the extension tube and the limiting block in sequence, and then pours concrete into the cavity formed by the cavity block towards the direction, so that the polyurethane plate is wrapped between the concrete structures, and simultaneously pours concrete into the pouring tube towards the direction.
By adopting the technical scheme, the polyurethane plate is arranged between the prefabricated wall plate and the prefabricated beam in a pouring mode, and the positioning is determined by the cavity block, so that the positioning is accurate. Meanwhile, the polyurethane plate can be tightly attached to a cavity formed by the cavity block by adopting a pouring mode, and the polyurethane plate has the advantage of being seamless. In addition, before the polyurethane board is solidified, the polyurethane material can be extruded in the cavity under the action of the compression rod, the compactness of the polyurethane board attached to the cavity is further improved after solidification, and the seamless connection effect is further improved. The polyurethane plate has the characteristics of shock resistance and pressure reduction, can absorb earthquake energy, has a buffering effect on structural deformation, and improves the ductility of the structure.
The present invention in a preferred example may be further configured to: the wallboard embedded rib enters the beam embedded rib, and the wallboard embedded rib is anchored on the beam embedded rib.
Through adopting above-mentioned technical scheme, the pre-buried muscle of wallboard stretches into the interior anchor of the pre-buried muscle of roof beam, has played the drawknot effect, has strengthened being connected between prefabricated wallboard and the precast beam, when structural cracking perhaps destroys, can make precast beam and prefabricated wallboard link together, has reduced the possibility that wholly collapses to harm has been reduced.
In summary, the invention includes at least one of the following beneficial technical effects:
1. the polyurethane plate at the connecting surface of the precast beam and the precast wallboard has the characteristics of earthquake resistance and pressure reduction, can absorb earthquake energy, has a buffering effect on structural deformation, and improves the ductility of the structure;
2. the polyurethane board is installed in precast beam and prefabricated wallboard connection face department through the mode of pouring, and the junction is seamless, and direct contact can absorb more seismic energy in precast beam and prefabricated wallboard.
Drawings
Fig. 1 is a schematic diagram of a structure for embodying the prior art in the background art.
Fig. 2 is a schematic structural diagram for embodying the present invention in embodiment 1.
FIG. 3 is a schematic view for showing the connection relationship between the cavity block and the fastening rod.
Fig. 4 is a schematic structural view for embodying the lower pressing sleeve, the extension pipe and the stopper.
Fig. 5 is a sectional view showing a connection relationship between the lower push sleeve, the extension pipe and the stopper.
Fig. 6 is an exploded view for illustrating the connection relationship between the pouring tube, the extension tube and the lower sleeve.
In the drawing, 1, a wallboard forming die holder; 11. a wallboard cavity; 2. a beam forming die holder; 21. a beam cavity; 3. reserving a cavity block; 31. a threaded hole; 32. a fastening rod; 321. fastening a nut; 4. a pouring tube; 41. an inner ring groove; 411. a limiting groove; 412. a guide groove; 5. a limiting block; 6. a limiting pipe; 61. a limiting rod; 7. an extension tube; 71. an insertion block; 8. pressing down the sleeve; 81. a pressure lever; 82. a glass tube; 821. connecting the side edges; 83. and (4) sealing the plug.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1:
the invention discloses a forming die of an anti-seismic prefabricated wall beam structure, which comprises a wallboard forming die holder 1, a beam forming die holder 2, a cavity reserving block 3, a pouring pipe 4 and a limiting block 5, and is shown in the figures 2 and 4. Two wallboard forming die holders 1 are arranged oppositely, and the beam forming template is fixedly connected to the same end of the two wallboard forming die holders 1 in a crossing manner. The beam forming die holder 2 is provided with a beam cavity 21 along the length direction, and the wallboard forming die holder 1 is provided with a wallboard cavity 11 communicated with the beam cavity 21. Beam cavity 21 is used for the prefabricated roof beam of shaping, and wallboard cavity 11 is used for the prefabricated wallboard of shaping, and both cooperate jointly, can whole shaping wall beam structure.
Referring to fig. 2 and 3, the cavity block 3 is located in the wallboard cavity 11 and attached to the interface between the wallboard cavity 11 and the beam cavity 21, and the length of the cavity block 3 is equal to the width of the wallboard cavity 11. Threaded holes 31 are respectively formed at two ends of the cavity block 3 in the length direction, and fastening rods 32 are connected with the threaded holes 31 in an internal thread mode. The fastening rod 32 is a threaded rod, one end of the fastening rod 32, which is far away from the cavity block 3, penetrates out of the side wall of the wallboard forming die holder 1 and is in threaded connection with a fastening nut 321, and the fastening nut 321 is tightly pressed on the outer side wall of the wallboard forming die.
Referring to fig. 2 and 3, the cavity block 3 is supported by the fastening rod 32 and can be stabilized in the wallboard cavity 11, and the fastening nut 321 can lock the fastening rod 32, so that the possibility of rotation of the fastening rod 32 is reduced, and the stability of the cavity block 3 is further improved. Fastening rod 32 threaded connection has realized staying the dismantled connection between the chamber piece 3 in staying chamber piece 3, has improved the convenience of dismouting.
Referring to fig. 2, the pouring pipe 4 is tied up in the beam embedded rib by steel wires, one end of which is attached to the side of the cavity block 3 facing the beam cavity 21, and the other end of which is attached to the inner side wall of the beam cavity 21 far away from the wallboard cavity 11. The axis of the pouring tube 4 points towards the centre line of the length of the cavity block 3. The limiting block 5 is provided with four blocks, and the longitudinal section of the limiting block 5 is the same as that of the cavity block 3.
Referring to fig. 2 and 4, the limiting blocks 5 and the cavity block 3 are used in different construction steps, and after concrete is solidified and condensed in the wallboard cavity 11 and the beam cavity 21, each prefabricated wallboard is matched with two limiting blocks 5. After the concrete is solidified and condensed, a worker demolds the concrete wall panel, the cavity remaining block 3 is taken out after demolding is finished, and the cavity remaining block 3 enables the surface of the wall panel close to the beam to form a cavity. Then, the two limiting blocks 5 are respectively filled into the cavity formed by the cavity block 3 by the operator, and the axis extension line of the pouring tube 4 is positioned between the two limiting blocks 5. The cavity position between two stopper 5 is used for the shaping polyurethane board, and the polyurethane board is solidified through pouring tube 4 pouring liquid polyurethane material and is formed.
Referring to fig. 2 and 5, there are spacing pipe 6 through the steel wire ligature in the pre-buried muscle of wallboard, spacing pipe 6 is close to and is provided with two at least respectively in the both ends of staying chamber piece 3, and the terminal surface laminating of spacing pipe 6 is on staying chamber piece 3, can dismantle in spacing pipe 6 to insert and be equipped with the gag lever post 61 that is used for restricting stopper 5. When the concrete solidifies in wallboard chamber 11 and roof beam cavity 21 and condenses to take out and stay the chamber piece 3 after, spacing pipe 6 exposes, stays the cavity that chamber piece 3 formed towards this moment and fills in stopper 5 after, and the staff can insert spacing pipe 6 with gag lever post 61, reaches the effect of restriction stopper 5. In the process of injecting the liquid polyurethane material, the limiting block 5 is pressed against the limiting rod 61 by the extrusion force of the liquid polyurethane material, so that the shape of the finally molded polyurethane plate is limited.
Referring to fig. 5, an extension tube 7 is coaxially connected to one end of the pouring tube 4 far away from the cavity block 3, and the inner diameter of the extension tube 7 is the same as that of the pouring tube 4. An inner ring groove 41 is formed in the inner side wall of the end part of the pouring pipe 4 far away from the cavity block 3, an insertion block 71 is fixedly connected to the end part of the extension pipe 7 facing the pouring pipe 4, and the outer side wall of the extension pipe 7 is attached to the inner side wall of the inner ring groove 41. The inner annular groove 41 is provided with a limiting groove 411 along the arc side wall in a segmented manner, and the inner side wall of the inner annular groove 41 is provided with a guide groove 412 communicated with the limiting groove 411 along the axial direction of the pouring tube 4.
Referring to fig. 6, after demolding, the worker inserts the insertion block 71 on the extension pipe 7 into the restriction groove 411 along the guide groove 412, and then rotates the extension pipe 7 so that the insertion block 71 rotates into the restriction groove 411, and clamping of the extension pipe 7 on the pouring pipe 4 is achieved by mutual restriction of the restriction groove 411 and the insertion block 71.
Referring to fig. 6, a lower pressing sleeve 8 is sleeved on the extension tube 7, a pressing rod 81 extending into the extension tube 7 and the pouring tube 4 is fixedly connected in the lower pressing sleeve 8, and the length of the pressing rod 81 is greater than that of the lower pressing sleeve 8. The lateral wall of extension pipe 7 is the screw thread setting, and 8 threaded connection in extension pipe 7 of pressing down cover. When injecting liquid polyurethane material into the cavity that remains chamber piece 3 and form through extension pipe 7 and pouring tube 4 orientation, should make liquid polyurethane material get into pouring tube 4 slightly in, the staff will push down the cover 8 cover and establish on extension pipe 7 after that to constantly twist down and push down cover 8, push down cover 8 and move the in-process down, depression bar 81 compresses tightly liquid polyurethane material to this makes final fashioned polyurethane board denser.
Referring to fig. 5 and 6, a glass tube 82 is inserted into the pouring tube 4 and the extension tube 7, the outer side wall of the glass tube 82 is attached to the inner side wall of the extension tube 7, a connecting side 821 is integrally formed at the edge of the end surface of the glass tube 82 far away from the cavity block 3, the connecting side 821 abuts against the end surface of the extension tube 7 far away from the pouring tube 4, and the connecting side 821 is locked to the end surface of the extension tube 7 far away from the pouring tube 4 through a bolt.
Referring to fig. 5 and 6, a sealing plug 83 is connected to one end of the pressing rod 81 close to the reserving cavity block 3 through a bolt, and the bolt is in threaded connection with the pressing rod 81 through the sealing plug 83. The outer diameter of the sealing plug 83 is slightly larger than the inner diameter of the glass tube 82, so that the glass tube 82 improves the smoothness of the injection of the liquid polyurethane material, and the possibility of wall sticking of the liquid polyurethane material is reduced. The outer diameter of the sealing plug 83 is slightly larger than the inner diameter of the glass tube 82, so that when the liquid polyurethane material is compressed, the possibility that the liquid polyurethane material overflows through a gap between the sealing plug 83 and the inner side wall of the glass tube 82 is reduced. In addition, in order to reduce the air pressure resistance received by the sealing plug 83 during the moving process, a plurality of ventilation pores are vertically penetrated on the sealing plug 83.
Example 2:
a construction method of a forming die of an anti-seismic prefabricated wall beam structure comprises the following steps:
s1, binding the wallboard embedded ribs in the wallboard cavity 11, binding the beam embedded ribs in the beam cavity 21, and binding the wallboard embedded ribs and the beam embedded ribs with the stirrups through steel wires. The embedded muscle of wallboard gets into in the embedded muscle of roof beam, and its longitudinal bar tip that gets into the embedded muscle of roof beam walks around the embedded muscle of roof beam, through bending the anchor in the embedded muscle of roof beam. After the wallboard embedded ribs and the beam embedded ribs are bound, binding limiting pipes 6 in the wallboard embedded ribs, and binding pouring pipes 4 in the beam embedded ribs;
s2, placing the cavity block 3 in the wallboard embedded rib, when one surface of the cavity block 3 facing the beam embedded rib is attached to an interface between the wallboard cavity 11 and the beam cavity 21, and the cavity block 3 is abutted against the end faces of the pouring tube 4 and the limiting tube 6, a worker penetrates the fastening rod 32 through the side wall of the wallboard forming die holder 1, the end part of the fastening rod 32 is connected to the cavity block 3 in a threaded manner, and after the cavity block 3 is stabilized, the worker screws the fastening nut 321 on the fastening rod 32 until the fastening nut 321 is pressed on the outer side wall of the wallboard forming die holder 1;
s3, respectively coating film coating agents on the outer surface of the cavity block 3, the inner side wall of the wallboard cavity 11 and the inner side wall of the beam cavity 21, pouring concrete into the beam cavity 21 and the wallboard cavity 11, vibrating, and standing for a period of time after vibrating is completed to form a reinforced concrete wall beam structure;
s4, screwing out the fastening nut 321 and the fastening rod 32, and then separating the wall beam structure from the wall plate forming die holder 1 and the beam forming die holder 2;
s5, screwing the fastening rod 32 into the cavity reserving block 3, pulling out the cavity reserving block 3 through the fastening rod 32 to reserve a cavity on the wallboard, then respectively plugging two limiting blocks 5 into two ends of the cavity, adjusting the positions of the limiting blocks 5 to enable the limiting blocks 5 at the two ends to be positioned between the limiting pipes 6 at the two ends, inserting rod pieces into the limiting pipes 6 in a sudden way, and blocking the limiting blocks 5 by utilizing the rod pieces;
s6, clamping the extension tube 7 on the pouring tube 4, inserting the glass tube 82 into the pouring tube 4 and the extension tube 7, and fastening the connecting side 821 of the guide rod on the end surface of the extension tube 7 by the worker through the bolt;
s7, pouring liquid polyurethane material into a cavity formed by the cavity reserving block 3 through the glass tube 82, wherein the polyurethane material is located between the two limiting blocks 5, when the poured polyurethane material enters the glass tube 82, a worker sleeves the extension tube 7 with the lower pressing sleeve 8, and the worker twists the lower pressing sleeve 8 to enable the lower pressing sleeve 8 to move downwards along a thread line casting on the outer side wall of the extension tube 7, and during the downward movement, the sealing plug 83 compresses the polyurethane material;
s8, after the polyurethane material is solidified into the polyurethane plate, the worker takes out the lower pressing sleeve 8, the glass tube 82, the extension tube 7 and the limiting block 5 in sequence, and then pours concrete into the cavity formed by the cavity block 3 towards the direction, so that the polyurethane plate is wrapped between concrete structures, and simultaneously pours concrete into the pouring tube 4 towards the direction.
According to the wall beam structure formed by the construction method, the polyurethane plate is arranged at the connecting surface of the prefabricated wall plate and the prefabricated beam, and the polyurethane foam plate has the characteristics of earthquake resistance and pressure reduction, can absorb earthquake energy, has a buffering effect on structural deformation, and improves the ductility of the structure; and the polyurethane foam plate material has lighter weight, reduces the weight of the member to a certain extent, is convenient to transport and hoist, and reduces the production cost.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (8)
1. The utility model provides a forming die of prefabricated assembled wall beam structure of antidetonation type, includes wallboard shaping die holder (1), roof beam shaping die holder (2), wallboard shaping die holder (1) is equipped with two relatively, roof beam shaping die holder (2) are spanwise fixed connection on the same end of two wallboard shaping die holders (1), roof beam shaping die holder (2) are opened along its length direction has roof beam chamber (21), open on wallboard shaping die holder (1) have with roof beam chamber (21) communicating wallboard chamber (11), its characterized in that: the wall plate forming die holder is characterized by further comprising a cavity block (3), a pouring pipe (4) and a limiting block (5), wherein the cavity block (3) is located in the wall plate cavity (11) and attached to an interface of the wall plate cavity (11) and the beam cavity (21), the length of the cavity block (3) is equal to the width of the wall plate cavity (11), threaded holes (31) are formed in two ends of the cavity block (3) in the length direction respectively, fastening rods (32) are connected in the threaded holes (31), and one ends, far away from the cavity block (3), of the fastening rods (32) penetrate through the side wall of the wall plate forming die holder (1); the pouring pipe (4) is bundled in the beam embedded rib, one end of the pouring pipe is attached to the side surface, facing the beam cavity (21), of the cavity block (3), and the other end of the pouring pipe is attached to the inner side wall, far away from the wallboard cavity (11), of the beam cavity (21); stopper (5) are equipped with four, and its longitudinal section is the same with the longitudinal section of staying chamber piece (3), and the ligature has spacing pipe (6) in the pre-buried muscle of wallboard, spacing pipe (6) are close to and are provided with a plurality ofly respectively in the both ends of staying chamber piece (3), can dismantle in spacing pipe (6) and insert and be equipped with gag lever post (61) that are used for restricting stopper (5).
2. The forming mold of an earthquake-resistant prefabricated wall beam structure according to claim 1, wherein: the coaxial joint of one end of staying chamber piece (3) is kept away from in pouring tube (4) has extension pipe (7), internal diameter on extension pipe (7) is the same with the internal diameter of pouring tube (4), the cover is equipped with down and presses cover (8) on extension pipe (7), press depression bar (81) that cover (8) internal fixation connected with stretched into in extension pipe (7) and pouring tube (4) down.
3. The forming mold of an earthquake-resistant prefabricated wall beam structure according to claim 2, wherein: the glass tube (82) is inserted into the pouring tube (4) and the extension tube (7), the outer side wall of the glass tube is attached to the inner side wall of the extension tube (7), a connecting side edge (821) is integrally formed at the position, far away from the edge of the end face of the cavity block (3), of the glass tube (82), the connecting side edge (821) abuts against the end face, far away from the pouring tube (4), of the extension tube (7), and the connecting side edge (821) is locked on the end face, far away from the pouring tube (4), of the extension tube (7) through bolts.
4. The forming mold of an earthquake-resistant prefabricated wall beam structure according to claim 3, wherein: one end of the pressure lever (81), which is close to the cavity block (3), is connected with a sealing plug (83) through a bolt, and the outer diameter of the sealing plug (83) is not less than the inner diameter of the glass tube (82).
5. The forming mold of an earthquake-resistant prefabricated wall beam structure according to claim 3, wherein: the outer side wall of the extension pipe (7) is in threaded arrangement, and the lower pressing sleeve (8) is in threaded connection with the extension pipe (7).
6. The forming mold of an earthquake-resistant prefabricated wall beam structure according to claim 1, wherein: the fastening rod (32) is a threaded rod, and a fastening nut (321) is connected to the rod body of the fastening rod (32) penetrating out of the wallboard forming die holder (1) through threads.
7. A construction method of a molding die for an earthquake-resistant prefabricated assembled wall beam structure according to any one of claims 1 to 6, wherein: the method comprises the following steps:
s1, binding wallboard embedded ribs in a wallboard cavity (11), binding beam embedded ribs in a beam cavity (21), binding limiting pipes (6) in the wallboard embedded ribs after the wallboard embedded ribs and the beam embedded ribs are bound, and binding pouring pipes (4) in the beam embedded ribs;
s2, placing a cavity block (3) in the wall board embedded rib, when one surface, facing the beam embedded rib, of the cavity block (3) is attached to an interface between a wall board cavity (11) and a beam cavity (21), and the cavity block (3) is abutted to the end surfaces of a pouring pipe (4) and a limiting pipe (6), a worker penetrates a fastening rod (32) through the side wall of the wall board forming die holder (1) and enables the end part of the fastening rod (32) to be in threaded connection with the cavity block (3), and after the cavity block (3) is stabilized, the worker screws a fastening nut (321) on the fastening rod (32) until the fastening nut (321) is tightly pressed on the outer side wall of the wall board forming die holder (1);
s3, respectively coating film agents on the outer surface of the cavity block (3), the inner side wall of the wallboard cavity (11) and the inner side wall of the beam cavity (21), pouring concrete into the beam cavity (21) and the wallboard cavity (11), vibrating, and standing for a period of time after vibrating is completed to form a reinforced concrete wall-beam structure;
s4, screwing out the fastening nut (321) and the fastening rod (32), and then separating the wall beam structure from the wall board forming die holder (1) and the beam forming die holder (2);
s5, screwing the fastening rod (32) into the cavity reserving block (3), pulling out the cavity reserving block (3) through the fastening rod (32), reserving a cavity on the wallboard, then respectively plugging two limit blocks (5) into two ends of the cavity, adjusting the positions of the limit blocks (5), enabling the limit blocks (5) at the two ends to be located between the limit pipes (6) at the two ends, inserting a rod piece into the limit pipes (6) in a hurry way, and blocking the limit blocks (5) by utilizing the rod piece;
s6, clamping the extension pipe (7) on the pouring pipe (4), inserting the glass tube (82) towards the pouring pipe (4) and the extension pipe (7), and fastening the connecting side edge (821) of the guide rod on the end surface of the extension pipe (7) by a worker through a bolt;
s7, pouring liquid polyurethane material into a cavity formed by the cavity block (3) towards the cavity block through the glass tube (82), wherein the polyurethane material is located between the two limiting blocks (5), when the poured polyurethane material enters the glass tube (82), a worker sleeves the extension tube (7) with the pressing sleeve (8), and twists the pressing sleeve (8) to enable the pressing sleeve (8) to move downwards along a thread line casting on the outer side wall of the extension tube (7), and in the downward movement process, the sealing plug (83) compresses the polyurethane material;
s8, after the polyurethane material is solidified into the polyurethane plate, the worker takes out the pressing sleeve (8), the glass tube (82), the extension tube (7) and the limiting block (5) in sequence, and pours concrete into the cavity formed by the cavity block (3) towards the direction, so that the polyurethane plate is wrapped between concrete structures, and simultaneously pours concrete into the cavity towards the pouring tube (4).
8. The construction method of the forming mold of the earthquake-resistant prefabricated wall beam structure according to claim 7, wherein: the wallboard embedded rib enters the beam embedded rib, and the wallboard embedded rib is anchored on the beam embedded rib.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010067115.8A CN111231075B (en) | 2020-01-20 | 2020-01-20 | Forming die of anti-seismic prefabricated wall beam structure and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010067115.8A CN111231075B (en) | 2020-01-20 | 2020-01-20 | Forming die of anti-seismic prefabricated wall beam structure and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111231075A true CN111231075A (en) | 2020-06-05 |
| CN111231075B CN111231075B (en) | 2021-11-02 |
Family
ID=70862489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010067115.8A Active CN111231075B (en) | 2020-01-20 | 2020-01-20 | Forming die of anti-seismic prefabricated wall beam structure and construction method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111231075B (en) |
Citations (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002011712A (en) * | 2000-06-30 | 2002-01-15 | National House Industrial Co Ltd | Method for manufacturing precast concrete foundation |
| JP2010094914A (en) * | 2008-10-17 | 2010-04-30 | Fujita Corp | Formwork for precast concrete member integrating beam and column-beam joint section and production process of precast concrete member integrating beam and column-beam joint section using the formwork |
| CN102493603A (en) * | 2011-12-30 | 2012-06-13 | 王夏静 | Prefabricated column of reserved concealed column channel, concealed column type complete assembled earthquake-resistant building and its method |
| RU2011112603A (en) * | 2011-04-01 | 2012-10-10 | Николай Викторович Карпенко (RU) | BUILDING ELEMENTS SUCH AS A WALL UNIT, FLOOR PLATE, JUMBER-SEISMICALLY STRUCTURED DESIGN |
| CN103469939A (en) * | 2013-09-24 | 2013-12-25 | 中国建筑第二工程局有限公司 | Flexible connection anti-seismic structure for masonry infilled wall and main body, and construction method for flexible connection anti-seismic structure |
| CN203741998U (en) * | 2014-03-17 | 2014-07-30 | 厦门理工学院 | Connected joint of self-resetting beam and column |
| US9294033B2 (en) * | 2013-08-30 | 2016-03-22 | Skidmore, Owings & Merrill Llp | Modular, self supporting exterior enclosure system with insulating, evacuated tubes having solar collector rods |
| CN205421616U (en) * | 2015-12-21 | 2016-08-03 | 中国建筑第八工程局有限公司 | Assemble integral shear force wall with steel pipe concrete edge member |
| CN106499116A (en) * | 2016-12-20 | 2017-03-15 | 北京珠穆朗玛绿色建筑科技有限公司 | A kind of concrete prefabricated wallboard and its assembled architecture and method of construction of composition |
| CN106836623A (en) * | 2016-12-30 | 2017-06-13 | 北京工业大学 | The construction and the practice of a kind of quadrate steel pipe column tongue and groove bridge cutoff type anti-seismic heat-preservation integrated wallboard structure |
| CN107856178A (en) * | 2017-11-10 | 2018-03-30 | 内蒙古工业大学 | The assembled freely-supported box girder construction and preparation method of PVA fiber cement composites |
| CN208072705U (en) * | 2017-09-30 | 2018-11-09 | 沈阳建筑大学 | A kind of energy-dissipating and shock-absorbing connection structure of coupling beam |
| CN208309847U (en) * | 2018-05-30 | 2019-01-01 | 沈阳建筑大学 | The T-shaped antidetonation of no heat bridge sandwich thermal insulation board reinforces connecting node |
| CN208441302U (en) * | 2018-04-26 | 2019-01-29 | 重庆市建筑科学研究院 | Simplicity, the antidetonation assembling structure of assembling type partition wall plate |
| CN109339320A (en) * | 2018-11-21 | 2019-02-15 | 江西联保工程咨询有限公司 | A kind of rear-mounted precast concrete slide core rib and preparation method thereof |
| CN109680869A (en) * | 2018-12-30 | 2019-04-26 | 宁波云创建筑工程技术有限公司 | A kind of prefabricated seismic Reinforced Concrete Beams and girder connection |
| CN109972801A (en) * | 2019-04-29 | 2019-07-05 | 华南理工大学 | A kind of assembled anti-knock precast stair joint structure |
| CN110126088A (en) * | 2019-04-28 | 2019-08-16 | 南通昆腾新材料科技有限公司 | It is a kind of effectively to overcome prefabricated post of secondary wave and preparation method thereof |
| JP6568724B2 (en) * | 2015-06-02 | 2019-08-28 | 株式会社竹中工務店 | Concrete structures |
| CN110387984A (en) * | 2019-07-31 | 2019-10-29 | 上海建工集团股份有限公司 | The flexible connecting structure and method of inwall and main structure |
| CN110656698A (en) * | 2019-10-16 | 2020-01-07 | 安徽建筑大学 | Shock resistance connection structure of concrete beam column |
-
2020
- 2020-01-20 CN CN202010067115.8A patent/CN111231075B/en active Active
Patent Citations (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002011712A (en) * | 2000-06-30 | 2002-01-15 | National House Industrial Co Ltd | Method for manufacturing precast concrete foundation |
| JP2010094914A (en) * | 2008-10-17 | 2010-04-30 | Fujita Corp | Formwork for precast concrete member integrating beam and column-beam joint section and production process of precast concrete member integrating beam and column-beam joint section using the formwork |
| RU2011112603A (en) * | 2011-04-01 | 2012-10-10 | Николай Викторович Карпенко (RU) | BUILDING ELEMENTS SUCH AS A WALL UNIT, FLOOR PLATE, JUMBER-SEISMICALLY STRUCTURED DESIGN |
| CN102493603A (en) * | 2011-12-30 | 2012-06-13 | 王夏静 | Prefabricated column of reserved concealed column channel, concealed column type complete assembled earthquake-resistant building and its method |
| US9294033B2 (en) * | 2013-08-30 | 2016-03-22 | Skidmore, Owings & Merrill Llp | Modular, self supporting exterior enclosure system with insulating, evacuated tubes having solar collector rods |
| CN103469939A (en) * | 2013-09-24 | 2013-12-25 | 中国建筑第二工程局有限公司 | Flexible connection anti-seismic structure for masonry infilled wall and main body, and construction method for flexible connection anti-seismic structure |
| CN203741998U (en) * | 2014-03-17 | 2014-07-30 | 厦门理工学院 | Connected joint of self-resetting beam and column |
| JP6568724B2 (en) * | 2015-06-02 | 2019-08-28 | 株式会社竹中工務店 | Concrete structures |
| CN205421616U (en) * | 2015-12-21 | 2016-08-03 | 中国建筑第八工程局有限公司 | Assemble integral shear force wall with steel pipe concrete edge member |
| CN106499116A (en) * | 2016-12-20 | 2017-03-15 | 北京珠穆朗玛绿色建筑科技有限公司 | A kind of concrete prefabricated wallboard and its assembled architecture and method of construction of composition |
| CN106836623A (en) * | 2016-12-30 | 2017-06-13 | 北京工业大学 | The construction and the practice of a kind of quadrate steel pipe column tongue and groove bridge cutoff type anti-seismic heat-preservation integrated wallboard structure |
| CN208072705U (en) * | 2017-09-30 | 2018-11-09 | 沈阳建筑大学 | A kind of energy-dissipating and shock-absorbing connection structure of coupling beam |
| CN107856178A (en) * | 2017-11-10 | 2018-03-30 | 内蒙古工业大学 | The assembled freely-supported box girder construction and preparation method of PVA fiber cement composites |
| CN208441302U (en) * | 2018-04-26 | 2019-01-29 | 重庆市建筑科学研究院 | Simplicity, the antidetonation assembling structure of assembling type partition wall plate |
| CN208309847U (en) * | 2018-05-30 | 2019-01-01 | 沈阳建筑大学 | The T-shaped antidetonation of no heat bridge sandwich thermal insulation board reinforces connecting node |
| CN109339320A (en) * | 2018-11-21 | 2019-02-15 | 江西联保工程咨询有限公司 | A kind of rear-mounted precast concrete slide core rib and preparation method thereof |
| CN109680869A (en) * | 2018-12-30 | 2019-04-26 | 宁波云创建筑工程技术有限公司 | A kind of prefabricated seismic Reinforced Concrete Beams and girder connection |
| CN110126088A (en) * | 2019-04-28 | 2019-08-16 | 南通昆腾新材料科技有限公司 | It is a kind of effectively to overcome prefabricated post of secondary wave and preparation method thereof |
| CN109972801A (en) * | 2019-04-29 | 2019-07-05 | 华南理工大学 | A kind of assembled anti-knock precast stair joint structure |
| CN110387984A (en) * | 2019-07-31 | 2019-10-29 | 上海建工集团股份有限公司 | The flexible connecting structure and method of inwall and main structure |
| CN110656698A (en) * | 2019-10-16 | 2020-01-07 | 安徽建筑大学 | Shock resistance connection structure of concrete beam column |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111231075B (en) | 2021-11-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109853364A (en) | A kind of the precast segment assembly bridge pier connection structure and method of shearing resistance | |
| CN112942657A (en) | Anti-floating structure of cast-in-place concrete hollow floor and construction method thereof | |
| CN105881733A (en) | Prefabricated reinforced concrete component and manufacturing method thereof | |
| CN209924484U (en) | Device with sleeve prefabricated part for reinforcing damaged reinforced concrete column | |
| CN111231075B (en) | Forming die of anti-seismic prefabricated wall beam structure and construction method thereof | |
| CN114396192A (en) | Plug-in type concrete-filled steel tube column base for large power transmission tower and construction method thereof | |
| CN204418172U (en) | The hollow soil nailing of precast prestressed concrete | |
| CN103072203A (en) | Method and mold for molding precast concrete hollow wall component for concrete-filled laminating | |
| CN110238963A (en) | Double-tube type steel bar connecting structure and its construction method between precast concrete | |
| CN112609963B (en) | Installation anchoring device of composite heat-insulation template and use method thereof | |
| CN209760794U (en) | Double-channel steel reinforced formwork for high-rise large-section column construction | |
| CN115126217B (en) | Construction device for shear wall and floor slab formwork by adopting aluminum alloy formwork | |
| CN217326611U (en) | Filling device for reserved holes of building structure | |
| CN210210857U (en) | Prestressed concrete tensioning device | |
| CN219431367U (en) | Hole reserving and embedding device for cast concrete tubular beams | |
| CN211993473U (en) | Template counter-pulling piece of prefabricated staircase | |
| CN211523533U (en) | Prefabricated post nodal connection structure | |
| CN220666688U (en) | Prefabricated component for prefabricated column and prefabricated column | |
| CN220945890U (en) | Building prefabricated member mould | |
| CN214006146U (en) | Assembled wall body built-in fitting | |
| CN210857258U (en) | Prefabricated cushion cap fetal membrane | |
| CN211104635U (en) | Group formwork erection for prefabricated large wallboard shear wall | |
| CN219080971U (en) | Cast in situ concrete wallboard reinforcing bar template fixed knot constructs | |
| CN108547405B (en) | A kind of fabric Combined concrete building block and preparation method | |
| CN216616836U (en) | Synchronous pouring device for shear walls on two sides of building deformation joint |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |