CN210164103U - Mixed prefabricated multi-cavity reinforced concrete wall and underground space structure system - Google Patents
Mixed prefabricated multi-cavity reinforced concrete wall and underground space structure system Download PDFInfo
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- CN210164103U CN210164103U CN201920200983.1U CN201920200983U CN210164103U CN 210164103 U CN210164103 U CN 210164103U CN 201920200983 U CN201920200983 U CN 201920200983U CN 210164103 U CN210164103 U CN 210164103U
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Abstract
The utility model relates to a prefabricated multicavity reinforced concrete wall of hybrid, secret spatial structure system. The mixed prefabricated multi-cavity reinforced concrete wall comprises a prefabricated reinforced concrete outer covering part and a prefabricated reinforced concrete inner plate, wherein a cavity is formed inside the prefabricated reinforced concrete outer covering part, the prefabricated reinforced concrete inner plate is arranged in the cavity and divides the cavity into a plurality of fully-closed or semi-closed post-casting cavities, one end of a vertical steel bar of the prefabricated reinforced concrete outer covering part is exposed out of the end face of the body, the other end of the vertical steel bar is sleeved with a sleeve, and the end part of the sleeve is parallel and level with the end face of the body. Compared with the common reinforced concrete underground station, the structure has the advantages that the structural integrity is greatly enhanced, the earthquake resistance is greatly improved, and the house is not easy to collapse in an earthquake. And has good waterproof and anti-seepage effects. The method can be widely applied to the construction of underground stations.
Description
Technical Field
The utility model relates to a multicavity reinforced concrete wall and the application of prefabricated multicavity reinforced concrete wall in underground space structure among the prefabricated construction belong to structure construction field.
Background
The existing underground space structure prefabricated concrete structure system is a pure prefabricated structure system which is composed of prefabricated reinforced concrete columns, prefabricated reinforced concrete beams and prefabricated concrete walls, and the prefabricated concrete outer wall generally has the problems of difficult node connection, difficult hoisting, easy water leakage, poor structural integrity and the like. Especially when encountering earthquake load, the precast concrete structure system with the underground space structure is used as a large underground public place, and the precast concrete outer wall has great potential safety hazard.
SUMMERY OF THE UTILITY MODEL
In order to overcome prior art's above-mentioned defect, the utility model provides a prefabricated multicavity reinforced concrete wall of hybrid, secret spatial structure system through changing the structural system, sets up the prefabricated multicavity reinforced concrete wall of prefabricated hybrid to water the cavity after reserving in the prefabricated multicavity reinforced concrete wall of prefabricated hybrid, realize prefabricated and cast-in-place perfect combination, avoided the above-mentioned problem that the simple prefabricated structural system exists.
The technical scheme of the utility model as follows:
the utility model provides a prefabricated multicavity reinforced concrete wall of hybrid which characterized in that: the prefabricated multi-cavity reinforced concrete wallboard is formed by splicing a plurality of prefabricated multi-cavity reinforced concrete wallboards, each prefabricated multi-cavity reinforced concrete wallboard comprises a prefabricated reinforced concrete outer covering part and a prefabricated reinforced concrete inner board, a cavity is formed inside the prefabricated reinforced concrete outer covering part, the prefabricated reinforced concrete inner boards are arranged in the cavities and divide the cavities into a plurality of fully-closed or fully-closed and semi-closed post-casting cavities, plain concrete and/or reinforced concrete and/or steel rib reinforced concrete and/or plain concrete with reinforcing steel bar cages at local parts are poured in the post-casting cavities, and one end of a vertical steel bar of the prefabricated reinforced concrete outer covering part is exposed out of the end face of the body of the prefabricated reinforced concrete outer covering part and/or a vertical steel connecting piece is buried in.
Furthermore, one end or two ends of the horizontal steel bar of the prefabricated reinforced concrete outer coating part are exposed out of the side surface of the body. The beneficial effect that the horizontal steel bar stretches out the body does: the concrete stroke integral which tends to cast in situ with the horizontal direction is facilitated, and the vertical shear resistance is improved.
Furthermore, the prefabricated reinforced concrete outer coating part is in an inverted U shape, the prefabricated reinforced concrete inner plates are connected to two limbs of the inverted U shape, and the prefabricated reinforced concrete outer coating part is divided into a plurality of totally-enclosed post-pouring chambers and a semi-enclosed post-pouring chamber. The prefabricated reinforced concrete outer covering part is of an inverted U shape, two different prefabricated multi-cavity concrete wallboards are convenient to butt, a part of an outer formwork at the horizontal joint is formed, the formwork at the outer side is reduced at the horizontal joint, and the prefabricated reinforced concrete outer covering part is connected into a whole through pouring concrete.
Further, when the semi-closed post-pouring cavity is spliced, a vertical cast-in-place reinforced concrete plate is arranged at the splicing position, and the vertical cast-in-place reinforced concrete plate and the semi-closed post-pouring cavity enclose a fully-closed cavity; and additional steel bars are arranged in the totally-enclosed cavity at the corresponding position of the vertical cast-in-place reinforced concrete slab, and the vertical cast-in-place reinforced concrete slab and the cast-in-place concrete are connected into a whole through the additional steel bars.
Furthermore, two ends or one end of the vertical steel bar in the steel bar cage extend out of the end face of the prefabricated reinforced concrete outer covering part. The advantage of above-mentioned structure is through vertical cast in situ reinforced concrete plate portion for the bending resistance of node, the anti-shear bearing capacity are accomplished to the joining region, reduce the seepage of junction from top to bottom, connect as whole through concreting.
Furthermore, steel ribs are preset in the prefabricated reinforced concrete outer covering part and the prefabricated reinforced concrete inner plate simultaneously or respectively. The advantage that sets up the reinforcing bar is, through the reinforcing bar, further promotes the bending resistance of multicavity precast concrete wall, anti shear bearing capacity, reduces the seepage of junction from top to bottom, connects as whole through concreting.
The combined type prefabricated multi-cavity reinforced concrete wall and the reinforced concrete wall enclose an underground space structure space, and a floor slab is erected on the top surface of the combined type prefabricated multi-cavity reinforced concrete wall and/or the reinforced concrete wall.
Furthermore, a column is arranged in the underground space structure space, and a cross beam, a longitudinal beam or a longitudinal beam and a transverse beam are erected on the top surface of the column.
Adopt the utility model discloses a prefabricated multicavity reinforced concrete wall of hybrid and the underground space structure system that forms thereof have gained following beneficial effect:
1. compared with the common reinforced concrete underground space structure, the structure effectively reduces the cracks caused by the shrinkage deformation of the concrete through cavity division due to the prefabricated multi-cavity reinforced concrete wall. In addition, the multi-cavity reinforced concrete wall can form a post-pouring cavity, and can be cast in place through the post-pouring cavity after being prefabricated and installed, so that the structural integrity of the multi-cavity reinforced concrete wall is greatly enhanced, and the anti-seismic performance is greatly improved, and the house is not easy to collapse in an earthquake. And has good waterproof and anti-seepage effects.
2. The outer surface of the prefabricated multi-cavity reinforced concrete wall is wrapped by concrete, and the fireproof performance is good compared with that of a steel structure. When a fire disaster happens, the fire resistance of the concrete is far higher than that of the steel structure, so that good conditions are provided for people to escape in the fire disaster.
3. Because this structure is because prefabricated multicavity reinforced concrete wall, the construction is for whole cast-in-place structure, and the industrialization degree is high, and is stronger to the adaptability of environment, and the overwhelming majority work can be accomplished through the prefabrication method, and the reduction of erection time improves construction quality.
4. The prefabricated steel ribs can be recycled, and the fly ash concrete is beneficial to secondary utilization of fly ash, and is green, energy-saving and environment-friendly.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural view of the post-cast concrete of FIG. 1;
fig. 3 is a schematic diagram of a prefabricated structure according to a second embodiment, a third embodiment and a fourth embodiment of the present invention;
FIG. 4 is a schematic structural view after concrete is cast after in the second embodiment;
FIG. 5 is a schematic structural diagram of a third post-cast concrete application structure in the embodiment;
FIG. 6 is a schematic structural diagram of a fourth post-cast concrete application structure in accordance with an embodiment;
FIG. 7 is a schematic structural diagram of the fifth embodiment;
FIG. 8 is a schematic structural view of the post-cast concrete of FIG. 7;
FIG. 9 is a schematic view of the vertical connection in the first embodiment;
FIG. 10 is a schematic view of the vertical connection of the second embodiment;
FIG. 11 is a schematic view of the vertical connection of the third embodiment;
FIG. 12 is a schematic structural view of a reinforcement cage partially disposed in a post-cast cavity;
FIG. 13 is a schematic view of the vertical connection of the fourth embodiment;
FIG. 14 is a schematic view of the vertical connection of the fifth embodiment;
FIG. 15 is a schematic view of a first embodiment of an underground spatial structural system formed by using mixed multi-cavity prefabricated reinforced concrete wall panels;
FIG. 16 is a schematic view of a second embodiment of an underground space structure system formed by using mixed multi-cavity prefabricated reinforced concrete wall panels;
FIG. 17 is a schematic view of a third embodiment of an underground spatial structural system formed by using mixed multi-cavity prefabricated reinforced concrete wall panels;
FIG. 18 is a schematic view of a fourth embodiment of an underground spatial structural system formed by using mixed multi-cavity prefabricated reinforced concrete wall panels;
in the figure, 1-prefabricating the reinforced concrete outer coating part; 2-prefabricating a reinforced concrete inner plate; 3-post-pouring the cavity; 4-vertical cast-in-place reinforced concrete slab; 5-adding steel bars; 6-plain concrete; 7-reinforced concrete; 8-a first steel rib; 9-second steel rib; 10-vertical steel bars; 11-a sleeve; 12-cast-in-place node area; 13-vertical steel bars of post-cast parts; 14-transverse steel bars of post-cast parts; 15-locally reinforcing vertical steel bars; 16-locally reinforcing the transverse reinforcement bar; 17-mixed multi-cavity prefabricated reinforced concrete wall, 18-reinforced concrete wall, 19-column, 20-beam, 21-floor and 22-inner wall.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
First embodiment as shown in fig. 1-2, fig. 1 and 2 are schematic horizontal connection diagrams showing a hybrid multi-cavity prefabricated reinforced concrete wallboard, wherein the hybrid multi-cavity prefabricated reinforced concrete wallboard comprises a prefabricated reinforced concrete outer covering part 1 and a prefabricated reinforced concrete inner plate 2, the prefabricated reinforced concrete outer covering part 1 is an inverted U-shaped part with an open end, and the prefabricated reinforced concrete inner plate 2 is positioned between two limbs of the inverted U-shaped part and supported at a position of about one third of the length of the two limbs of the inverted U-shaped part; the prefabricated reinforced concrete inner plate 2 and the prefabricated reinforced concrete outer covering portion 1 jointly enclose a closed post-pouring cavity 3, and the prefabricated reinforced concrete outer covering portion 1 and the prefabricated reinforced concrete inner plate 2 are integrally formed. When the prefabricated multi-cavity reinforced concrete member is used, the notches of the two inverted-U-shaped prefabricated multi-cavity reinforced concrete members are oppositely arranged, the vertical cast-in-place reinforced concrete plates 4 are arranged at the opposite positions of the inverted-U-shaped limbs, the vertical cast-in-place reinforced concrete plates 4, the prefabricated reinforced concrete inner plates 2 and limbs at the outer ends of the prefabricated reinforced concrete inner plates 2 jointly enclose a post-casting cavity 3, in order to ensure the strength of the positions of the vertical cast-in-place reinforced concrete plates 4, additional reinforcing steel bars 5 can be preset in the cavity, and finally, plain concrete 6 is post-cast in all the. As shown in fig. 9, the prefabricated reinforced concrete wall panels shown in fig. 9 are vertically assembled together, when vertically connected, a certain gap is reserved between the prefabricated reinforced concrete wall panel at the upper part and the prefabricated reinforced concrete wall panel at the lower part, and the reserved gap forms an integral cast-in-place node area 12 after the post-cast cavity 3 is filled with concrete. The vertical reinforcing bar 10 one end in prefabricated reinforced concrete outsourcing portion 1 and the prefabricated reinforced concrete inner panel 2 stretches out the body of prefabricated reinforced concrete outsourcing portion 1 and prefabricated reinforced concrete inner panel 2, and sleeve 11 has been preset to the other end, and during vertical connection, the vertical reinforcing bar that is located the lower part and stretches out the body of prefabricated reinforced concrete outsourcing portion 1 and prefabricated reinforced concrete inner panel 2 inserts and realizes connecting in the sleeve 11 that is located the vertical reinforcing bar tip on upper portion.
In the second embodiment, as shown in fig. 3-4, the difference between the second embodiment and the first embodiment is that the prefabricated reinforced concrete outer covering 1 is a closed rectangle or square, the prefabricated reinforced concrete inner plates 2 are arranged in a cavity surrounded by the prefabricated reinforced concrete outer covering 1 at intervals, the cavity is divided into a plurality of post-casting cavities 3, and when the post-casting cavities 3 are used, post-casting plain concrete 6 is poured in the post-casting cavities 3. As shown in fig. 10, the prefabricated reinforced concrete wall panels shown in fig. 10 are vertically assembled together, when the prefabricated reinforced concrete wall panels are vertically connected, a certain gap is reserved between the prefabricated reinforced concrete wall panel at the upper part and the prefabricated reinforced concrete wall panel at the lower part, and the reserved gap forms an integral cast-in-place node area 12 after the post-cast cavity 3 is filled with concrete. The vertical reinforcing bar 10 one end in prefabricated reinforced concrete outsourcing portion 1 and the prefabricated reinforced concrete inner panel 2 stretches out the body of prefabricated reinforced concrete outsourcing portion 1 and prefabricated reinforced concrete inner panel 2, and sleeve 11 has been preset to the other end, and during vertical connection, the vertical reinforcing bar that is located the lower part and stretches out the body of prefabricated reinforced concrete outsourcing portion 1 and prefabricated reinforced concrete inner panel 2 inserts and realizes connecting in the sleeve 11 that is located the vertical reinforcing bar tip on upper portion.
In the third embodiment, as shown in fig. 3 and 5, the prefabricated part in the third embodiment is the same as that in the second embodiment, the prefabricated reinforced concrete outer covering 1 is a closed rectangle or square, the prefabricated reinforced concrete inner plates 2 are arranged in a cavity surrounded by the prefabricated reinforced concrete outer covering 1 at intervals, and the cavity is isolated into a plurality of post-pouring chambers 3, and the difference is that post-pouring reinforced concrete 7 is poured in the post-pouring chambers 3 during use. As shown in fig. 11, the prefabricated reinforced concrete wall panels shown in fig. 11 are vertically assembled together, when the prefabricated reinforced concrete wall panels are vertically connected, a certain gap is reserved between the prefabricated reinforced concrete wall panel at the upper part and the prefabricated reinforced concrete wall panel at the lower part, and the reserved gap forms an integral cast-in-place node area 12 after the post-cast cavity 3 is filled with concrete. One end of the vertical steel bar 10 in the prefabricated reinforced concrete outer covering part 1 and the prefabricated reinforced concrete inner plate 2 extends out of the prefabricated reinforced concrete wallboard; the two ends of a reinforcement cage formed by the vertical reinforcements 12 of the post-cast part and the transverse reinforcements 13 of the post-cast part in the post-cast reinforced concrete 7 extend out of the prefabricated reinforced concrete wallboard, and the reinforcement cage is usually arranged along the prefabricated reinforced concrete wallboard. The other end of the vertical reinforcing steel bar 10 is provided with a sleeve 11, during vertical connection, the vertical reinforcing steel bars which are positioned at the lower part and extend out of the prefabricated reinforced concrete outer covering part 1 and the prefabricated reinforced concrete inner plate 2 body are inserted into the sleeve 11 at the end part of the vertical reinforcing steel bar positioned at the upper part to realize connection, and the vertical reinforcing steel bars 12 of the post-cast reinforced concrete 7 at the upper part and the lower part are lapped in a cast-in-place node area 12 and are connected into a whole through cast-. As shown in fig. 12, fig. 12 is a schematic structural view of a reinforcing steel bar cage locally arranged in the post-cast cavity 3, a steel bar cage formed by local reinforcing vertical steel bars 15 and local reinforcing transverse steel bars 16 can be arranged only at a local position close to the cast-in-place node area 12 in the post-cast cavity 3, the lower end of the local reinforcing vertical steel bar 15 positioned at the upper part extends out of the prefabricated reinforced concrete wall panel at the upper part, and the upper end of the local reinforcing vertical steel bar 15 positioned at the lower part extends out of the prefabricated reinforced concrete wall panel at the lower part and is lapped or bound at the cast-in.
Fourth embodiment, as shown in fig. 3 and 6, the prefabricated parts of the third embodiment are the same as those of the third embodiment and the second embodiment, except that when in use, the first steel rib 8 is preset in the post-cast cavity 3, and then the post-cast reinforced concrete 7 is poured. The post-cast cavities 3 can be preset with the first steel ribs 8 or preset with the first steel ribs 8 in individual cavities, and the number of the first steel ribs 8 is specifically determined according to the structural design strength requirement. The first steel rib 8 can be various section steels or combined steel structures, such as an I-shaped structure in the embodiment. Fig. 13 is a schematic structural view of the first steel rib 8 arranged in the post-cast cavity 3, and two ends of the first steel rib 8 extend out of the prefabricated reinforced concrete wallboard. When the prefabricated reinforced concrete wall panels are vertically connected, a certain gap is reserved between the prefabricated reinforced concrete wall panels at the upper part and the prefabricated reinforced concrete wall panels at the lower part, and the reserved gap forms an integral cast-in-place node area 12 after the post-pouring cavity 3 is filled with concrete. The upper first steel rib 8 and the lower first steel rib 8 are welded or bolted at a cast-in-place node area 12.
In the fifth embodiment, as shown in fig. 7 and 8, the prefabricated structure of the fifth embodiment is different from the prefabricated structures of the second, third and fourth embodiments in that the second steel ribs 9 are arranged in the prefabricated reinforced concrete inner panel 2. The second steel ribs 9 can be arranged in each prefabricated reinforced concrete inner plate 2 or in a plurality of the prefabricated reinforced concrete inner plates 2, and the number of the second steel ribs 9 is specifically determined according to the structural design strength requirement. The second steel skeleton 9 can be various section steels or combined steel skeletons, such as an I-shaped one in the embodiment. Fig. 15 is a schematic structural view of the second steel rib 9 arranged in the precast reinforced concrete inner panel 2, when the precast reinforced concrete inner panel is vertically connected, a certain gap is reserved between the precast reinforced concrete wall panel at the upper part and the precast reinforced concrete wall panel at the lower part, and the reserved gap forms an integral cast-in-place node area 12 after the post-cast cavity 3 is filled with concrete. The two ends of a steel reinforcement cage preset in the post-cast cavity 3, the two ends of the second steel rib 9 and the two ends of the vertical steel bars in the prefabricated reinforced concrete inner plate 2 extend out of the prefabricated reinforced concrete wallboard. The upper second steel rib 9 and the lower second steel rib 9 are welded or bolted correspondingly at a cast-in-place node area 12. The vertical steel bars in the prefabricated reinforced concrete inner plate 2 at the upper part and the vertical steel bars at the lower part are connected, welded or lapped in the cast-in-place node area 12 in an inner sleeve mode.
A first embodiment of the structural system of the underground space formed by any one of the above mixed multi-cavity prefabricated reinforced concrete wall panels is shown in fig. 15, wherein an underground space is formed by two mixed multi-cavity prefabricated reinforced concrete walls 17 arranged in parallel and two reinforced concrete walls 18 arranged in parallel, columns 19 are arranged in the underground space, beams 20 are transversely and longitudinally erected at the top ends of the columns 19, and floor slabs 21 are laid between the adjacent beams.
A second embodiment of the structural system of the underground space formed by any one of the above mixed multi-cavity prefabricated reinforced concrete wall panels is shown in fig. 16, wherein an underground space is formed by two parallel mixed multi-cavity prefabricated reinforced concrete walls 17 and two parallel reinforced concrete walls 18, a column 19 is arranged in the underground space, and a floor slab 21 is laid between the two mixed multi-cavity prefabricated reinforced concrete walls 17.
A third embodiment of the structural system of the underground space formed by any one of the above mixed multi-cavity prefabricated reinforced concrete wall panels is shown in fig. 17, wherein an underground space is formed by two mixed multi-cavity prefabricated reinforced concrete walls 17 arranged in parallel and two reinforced concrete walls 18 arranged in parallel, a column 19 is arranged in the underground space, an inner wall 22 is arranged between the columns 19, and a floor slab 21 is laid between the two mixed multi-cavity prefabricated reinforced concrete walls 17.
A fourth embodiment of the structural system of the underground space formed by any one of the above mixed multi-cavity prefabricated reinforced concrete wall panels is shown in fig. 18, wherein four mixed multi-cavity prefabricated reinforced concrete walls 17 are arranged in parallel in pairs to form an underground space, columns 19 are arranged in the underground space, and a floor slab 21 is laid between the two opposite mixed multi-cavity prefabricated reinforced concrete walls 17.
In specific implementation, the column can be a steel pipe concrete column or a steel pipe reinforced concrete column or a prefabricated steel reinforced concrete column or a prefabricated concrete column; the beam can be a steel beam or a steel reinforced concrete beam or a precast concrete beam or a variable cross-section steel-concrete combined beam; the floor is a prefabricated reinforced concrete floor, or a steel bar truss floor, or a profiled steel sheet cast-in-place reinforced concrete floor, the foundation is a cast-in-place reinforced concrete foundation, and the reinforced concrete foundation is a raft foundation and a box foundation.
In the concrete implementation, a precast concrete wall or/and a cast-in-place concrete wall can be added inside the station.
In specific implementation, energy-consuming supports or energy-consuming wallboards can be added to the column-beam frames.
In specific implementation, the concrete filled in the column, the beam, the wall and the floor slab can be common concrete, and can also be recycled concrete or high-fly ash concrete. The steel bars of the steel pipe reinforced concrete column can be lapped, welded and mechanically connected.
The construction method of the mixed prefabricated multi-cavity reinforced concrete wall is characterized by comprising the following steps:
manufacturing a steel bar net piece consisting of horizontal steel bars and vertical steel bars of a prefabricated reinforced concrete outer coating part and a prefabricated reinforced concrete inner plate;
step two, manufacturing a mould and supporting the mould;
pouring concrete in the space formed by the mold to form a prefabricated multi-cavity reinforced concrete wallboard with a post-pouring cavity;
step four, conveying the prefabricated multi-cavity reinforced concrete wallboard to the site;
step five, assembling the prefabricated multi-cavity reinforced concrete wall boards on site, primarily connecting reinforcing steel bars or reinforcing cages in horizontal joint areas, and arranging additional reinforcing steel bars in vertical joint areas;
sixthly, placing a reinforcement cage or a steel rib in the post-pouring cavity;
and seventhly, integrally pouring the post-pouring cavity, the horizontal node area and the vertical node area to form the mixed prefabricated multi-cavity reinforced concrete wall.
The construction method of the underground space structure system is characterized in that: the steps are as follows,
step one, constructing a foundation of a mixed prefabricated multi-cavity reinforced concrete wall;
step two, constructing the mixed prefabricated multi-cavity reinforced concrete wall in sections according to the construction method of the mixed prefabricated multi-cavity reinforced concrete wall until the design height of an underground space structure is reached;
and step three, constructing columns, construction beams on the top surfaces of the columns, and building floor slabs between the beams and the top surfaces of the hybrid prefabricated multi-cavity reinforced concrete walls according to space division requirements in spaces enclosed by the hybrid prefabricated multi-cavity reinforced concrete walls and the wall bodies at two ends of the hybrid prefabricated multi-cavity reinforced concrete walls.
The above embodiments are only given for the purpose of illustrating the technical solutions of the present invention more clearly, and are not intended to limit the present invention, and the protection scope of the present invention is subject to the scope defined by the appended claims.
Claims (8)
1. The utility model provides a prefabricated multicavity reinforced concrete wall of hybrid which characterized in that: the prefabricated multi-cavity reinforced concrete wallboard is formed by splicing a plurality of prefabricated multi-cavity reinforced concrete wallboards, each prefabricated multi-cavity reinforced concrete wallboard comprises a prefabricated reinforced concrete outer covering part and a prefabricated reinforced concrete inner board, a cavity is formed inside the prefabricated reinforced concrete outer covering part, the prefabricated reinforced concrete inner boards are arranged in the cavities and divide the cavities into a plurality of fully-closed or fully-closed and semi-closed post-casting cavities, plain concrete and/or reinforced concrete and/or steel rib reinforced concrete and/or plain concrete with reinforcing steel bar cages at local parts are poured in the post-casting cavities, and one end of a vertical steel bar of the prefabricated reinforced concrete outer covering part is exposed out of the end face of the body of the prefabricated reinforced concrete outer covering part and/or a vertical steel connecting piece is buried in.
2. A hybrid prefabricated multi-cavity reinforced concrete wall according to claim 1, wherein: one end or two ends of the horizontal steel bar of the prefabricated reinforced concrete outer coating part are exposed out of the side surface of the body.
3. A hybrid prefabricated multi-cavity reinforced concrete wall according to claim 1, wherein: the prefabricated reinforced concrete outer coating part is in an inverted U shape, the prefabricated reinforced concrete inner plates are connected to two limbs of the inverted U shape, and the prefabricated reinforced concrete outer coating part is divided into a plurality of totally-closed post-pouring chambers and a semi-closed post-pouring chamber.
4. A hybrid prefabricated multi-cavity reinforced concrete wall according to claim 3, wherein: when the semi-closed post-cast cavity is spliced, a vertical cast-in-place reinforced concrete plate is arranged at the splicing position, and the vertical cast-in-place reinforced concrete plate and the semi-closed post-cast cavity enclose a fully-closed cavity; and additional steel bars are arranged in the totally-enclosed cavity at the corresponding position of the vertical cast-in-place reinforced concrete slab, and the vertical cast-in-place reinforced concrete slab and the cast-in-place concrete are connected into a whole through the additional steel bars.
5. A hybrid prefabricated multi-cavity reinforced concrete wall according to any one of claims 1 to 4, wherein: and two ends or one end of the vertical steel bar in the steel reinforcement cage extend out of the end surface of the prefabricated reinforced concrete outer coating part.
6. A hybrid prefabricated multi-cavity reinforced concrete wall according to claim 4, wherein: and steel ribs are preset in the prefabricated reinforced concrete outer covering part and the prefabricated reinforced concrete inner plate simultaneously or respectively.
7. An underground spatial structure system formed by a hybrid prefabricated multi-cavity reinforced concrete wall according to any one of claims 1 to 6, wherein: the combined type prefabricated multi-cavity reinforced concrete wall comprises at least two combined type prefabricated multi-cavity reinforced concrete walls and/or reinforced concrete walls, wherein the combined type prefabricated multi-cavity reinforced concrete walls and the reinforced concrete walls enclose a space of an underground station, and a floor slab is erected on the top surfaces of the combined type prefabricated multi-cavity reinforced concrete walls and/or the reinforced concrete walls.
8. A subterranean space structural system according to claim 7, wherein: the underground station is characterized in that a column is arranged in the space of the underground station, and a cross beam, a longitudinal beam or a longitudinal and transverse beam is erected on the top surface of the column.
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