UHPC prefabricated house

Abstract

An UHPC prefabricated house, consisting of prefabricated components. The prefabricated components are made of ultra-high-performance concrete (UHPC), and the prefabricated components comprise a prefabricated foundation (1), prefabricated columns (2), prefabricated beams (3), prefabricated plates (4), prefabricated outer wall panels (5) and prefabricated stairs. The prefabricated components can be quickly assembled by means of butt joint, and after assembling, the prefabricated house can be directly put into use, featuring a short construction period and no impact from seasons. The prefabricated components can be easily assembled and disassembled and can be reused, thereby effectively reducing environmental pollution. The prefabricated components only involve few models and controllable mold usage, thereby exhibiting good economy and satisfying requirements for rapid mass production. In addition, UHPC has excellent strength, which can effectively improve the durability of prefabricated components, thereby enabling houses to better resist damage caused by environmental erosion, temperature changes, severe weather, and other factors.

Description

UHPC assembled house TECHNICAL FIELD

[0001] The utility model relates to the technical field of assembled house, more specifically, especially relates to a UHPC assembled house. BACKGROUND

[0002] Cast-in-situ house, that is, the concrete structure formed by in-situ formwork and integral pouring, is widely used in the current construction industry because of its good integrity and low cost. However, cast-in-situ house needs a large number of formworks, has a large amount of work on site, a large number of procedures, needs maintenance, and a long construction period. In addition, cast-in-situ house is greatly affected by seasons, has a large amount of wet work on site, and is easily polluted. Cast-in-situ concrete also has a significant disadvantage of being prone to cracking, especially in the case of a large concrete volume and poor maintenance, which easily leads to large-area cracking.

[0003] SUMMARY

[0004] The utility model provides a UHPC assembled house to solve the problem in above -mentioned background art. In order to realize above -mentioned purpose, the utility model provides the following technical scheme: a UHPC assembled house is composed of prefabricated components, and the prefabricated components are UHPC concrete prefabricated components; the prefabricated components include prefabricated foundation, prefabricated column, prefabricated beam, prefabricated plate, prefabricated outer wall plate and prefabricated stairway; the prefabricated foundation is connected with the ground; the prefabricated foundation is connected with the prefabricated column through embedded bolt; the prefabricated column is connected with the prefabricated beam through bolt; the prefabricated plate is installed on the prefabricated beam and is connected through bolt; the prefabricated outer wall plate is connected with the prefabricated beam and the prefabricated plate through bolt respectively; two adjacent prefabricated columns in the vertical direction are spliced with each other.

[0005] Preferably, the prefabricated column is a square structure, and a first connecting box is arranged at each corner of the prefabricated column; a second connecting box is arranged between two adjacent first connecting boxes; a plurality of embedded bolts are arranged on the prefabricated foundation, and the first connecting box and the second connecting box are connected through the embedded bolts; the prefabricated foundation and the prefabricated column are connected and leveled through the grouting mode.

[0006] Preferably, a corbel for supporting the prefabricated beam is arranged on the prefabricated column; a first sleeve is arranged on the upper part of the prefabricated column; a third connecting box matched with the first sleeve is arranged on the prefabricated beam; the first sleeve and the third connecting box are connected through bolt; the prefabricated beam and the corbel are connected and leveled through the grouting mode.

[0007] Preferably, the prefabricated beam comprises a main beam and a secondary beam; the secondary beam is in a rectangular structure, and fourth connecting boxes are arranged at four corners of the secondary beam respectively; the main beam is provided with a second sleeve matched with the fourth connecting boxes, and the second sleeve and the fourth connecting boxes are connected through bolts.

[0008] Preferably, one side of the prefabricated plate is provided with a third sleeve, and the other side is provided with a fifth connecting box; when two adjacent prefabricated plates are butted, the fifth connecting box of one of the prefabricated plates is connected with the third sleeve of the other prefabricated plate through bolts; the prefabricated beam is provided with a fourth sleeve, and the bottom of the fifth connecting box is connected with the fourth sleeve through bolts.

[0009] Preferably, the prefabricated outer wall plate is provided with a sixth connecting box, the prefabricated beam is provided with a fifth sleeve matched with the sixth connecting box, and the prefabricated plate is provided with a through hole; the sixth connecting box and the fifth sleeve are connected through bolts; the prefabricated outer wall plate, the prefabricated plate and the prefabricated beam are connected through bolts, and when connected, the bolts pass through the through hole to connect the fifth sleeve and the sixth connecting box; a mortar layer is arranged between the prefabricated outer wall plate and the prefabricated plate.

[0010] Preferably, the prefabricated column is provided with a plurality of steel bars at the top and a grouting sleeve at the bottom; when two adjacent prefabricated columns in the vertical direction are spliced, the steel bars of the lower prefabricated column are inserted into the grouting sleeve of the upper prefabricated column, and the grouting sleeve is filled with grouting material.

[0011] Preferably, the prefabricated outer wall plate is filled with rock wool.

[0012] Preferably, the prefabricated outer wall plate is provided with a hollow area, and the hollow area is provided with a decorative hanging plate; the decorative hanging plate is in a hollow structure, and the decorative hanging plate is a UHPC concrete decorative hanging plate.

[0013] Compared with the prior art, the UHPC assembled house of the utility model is assembled by prefabricated foundations, prefabricated columns, prefabricated beams, prefabricated plates, prefabricated outer wall plates and prefabricated staircases, the components can be quickly butted and installed, and the house can be directly put into use after assembly, the construction period is short and is not affected by seasons; the components can be easily disassembled and reused, and environmental pollution is effectively reduced. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 is a structural view of the UHPC assembled house of the utility model embodiment;

[0015] Fig. 2 is an exploded view of the UHPC fabricated house according to the embodiment of the present application;

[0016] Fig. 3 is a schematic view of the installation structure of the prefabricated foundation and the prefabricated column of the UHPC fabricated house according to the embodiment of the present application;

[0017] Fig. 4 is a sectional view of the prefabricated column of the UHPC fabricated house according to the embodiment of the present application;

[0018] Fig. 5 is a schematic view of the installation structure of the prefabricated column and the prefabricated beam of the UHPC fabricated house according to the embodiment of the present application;

[0019] Fig. 6 is a schematic view of the installation structure of the prefabricated beam of the UHPC fabricated house according to the embodiment of the present application;

[0020] Fig. 7 is a schematic view of the structure of the secondary beam of the UHPC fabricated house according to the embodiment of the present application;

[0021] Fig. 8 is a schematic view of the installation structure of the prefabricated beam and the prefabricated slab of the UHPC fabricated house according to the embodiment of the present application;

[0022] Fig. 9 is a schematic view of the installation structure between the prefabricated outer wall slab and the prefabricated beam and the prefabricated slab of the UHPC fabricated house according to the embodiment of the present application;

[0023] Fig. 10 is a schematic view of the splicing structure of the prefabricated column of the UHPC fabricated house according to the embodiment of the present application;

[0024] In Figs. 1-10, the corresponding relationship between the names of the components and the reference numerals of the drawings is as follows: 1-prefabricated foundation, 11-embedded bolt, 2-prefabricated column, 21-first connecting box, 22-second connecting box, 23-corbel, 24-first sleeve, 25-grouting sleeve, 26-reinforcing bar, 3-prefabricated beam, 31-third connecting box, 32-main beam, 33-secondary beam, 34-fourth connecting box, 35-second sleeve, 36-fourth sleeve, 37-fifth sleeve, 4-prefabricated slab, 41-third sleeve, 42-fifth connecting box, 5-prefabricated outer wall slab, 51-sixth connecting box. DETAILED DESCRIPTION

[0025] The embodiments of the present application will be further described in detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate the present application, but cannot be used to limit the scope of the present application.

[0026] In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more than two;The orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model. It is indicated or implied that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0027] In the description of the utility model, it is necessary to point out that, unless otherwise specified and limited, the terms "connected", "connected" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected;It can be mechanically connected, or it can be electrically connected;It can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0028] Please refer to figures 1 to 10, the utility model provides a kind of UHPC assembly type house, the UHPC assembly type house is made of prefabricated component, the prefabricated component is made of UHPC concrete;The prefabricated component includes prefabricated foundation 1, prefabricated column 2, prefabricated beam 3, prefabricated plate 4, prefabricated outer wall plate 5 and prefabricated stairway;The prefabricated foundation 1 is connected with ground;The prefabricated foundation 1 is connected between the prefabricated column 2 by embedding bolt 11;The prefabricated column 2 is connected between the prefabricated beam 3 by bolt;The prefabricated plate 4 is installed on the prefabricated beam 3, and is connected by bolt;The prefabricated outer wall plate 5 is connected with the prefabricated beam 3, the prefabricated plate 4 by bolt respectively;Two adjacent prefabricated columns 2 are spliced with each other in vertical direction.

[0029] In the embodiment of the utility model, the UHPC assembly type house is assembled by prefabricated component, and the prefabricated component includes prefabricated foundation 1, prefabricated column 2, prefabricated beam 3, prefabricated plate 4, prefabricated outer wall plate 5 and prefabricated stairway. Each component is supported by UHPC concrete, and UHPC concrete is ultra-high performance concrete, which mainly has ultra-high strength, ultra-high toughness and ultra-high durability, good overall performance and stability, and the product life cycle made of UHPC is greatly improved. The performance of the base material made of UHPC material is higher, which can reach 140-160 megapascal. The prefabricated plate 4 made of UHPC concrete has a thickness of only 15-20 mm, high strength and good toughness, the thickness and weight are well controlled while maintaining high strength, and the hoisting cost and transportation cost are reduced.

[0030] In the embodiment, the prefabricated foundation 1 is connected with the ground and used to bear the prefabricated column 2, which can be stacked according to the floor and height requirements, and two prefabricated columns 2 in the vertical direction are spliced with each other to meet the height requirement. The prefabricated beam 3 is composed of multiple beams, the prefabricated column 2 props up the prefabricated beam 3, and then the prefabricated plate 4 is installed on the prefabricated beam 3 to form the main frame of the house. The prefabricated outer wall plate 5 is installed around the main frame, and the prefabricated stairs are used to connect the floors.

[0031] In the embodiment, each component is connected by bolt butt joint installation, which is fast in installation speed and short in construction period. The prefabricated components of the embodiment have few types and specifications, which facilitates mass production in the factory and effectively reduces the production cost.

[0032] Preferably, the prefabricated column 2 has a square structure, a first connecting box 21 is arranged at each corner of the prefabricated column 2, a second connecting box 22 is arranged between two adjacent first connecting boxes 21, a plurality of embedded bolts 11 are arranged on the prefabricated foundation 1, and the first connecting box 21 and the second connecting box 22 are connected by the embedded bolts 11 respectively; the prefabricated foundation 1 and the prefabricated column 2 are connected and leveled by the grouting method.

[0033] In the embodiment, four first connecting boxes 21 and four second connecting boxes 22 are arranged at the bottom of the prefabricated column 2, eight connecting boxes are connected with the embedded bolts 11 on the prefabricated foundation 1, and then nuts are used for fastening to ensure that the prefabricated column 2 and the prefabricated foundation 1 are well connected. Then, a layer of cement mortar is arranged between the prefabricated foundation 1 and the prefabricated column 2 by the grouting method to level and improve the connection strength between the two contact surfaces.

[0034] Preferably, the prefabricated column 2 is provided with a corbel 23 for supporting the prefabricated beam 3, the upper part of the prefabricated column 2 is provided with a first sleeve 24, the prefabricated beam 3 is provided with a third connecting box 31 matched with the first sleeve 24, and the first sleeve 24 and the third connecting box 31 are connected by bolts; the prefabricated beam 3 and the corbel 23 are connected and leveled by the grouting method. In the embodiment, the prefabricated column 2 located at the side wall can support the prefabricated beam 3 by arranging the corbel 23 on one side, and the prefabricated column 2 located in the house can support the prefabricated beam 3 by arranging the corbel 23 on both sides to improve the contact surface and make the prefabricated beam 3 more stable.

[0035] Preferably, the prefabricated beam 3 comprises a main beam 32 and a secondary beam 33; the secondary beam 33 has a rectangular cross section, and a fourth connecting box 34 is arranged at each corner of the secondary beam 33; the main beam 32 is provided with a second sleeve 35 matched with the fourth connecting box 34; and the second sleeve 35 and the fourth connecting box 34 are connected by bolts. In this embodiment, the prefabricated beam 3 is formed by the main beam 32 and the secondary beam 33 in a frame structure, and the main beam 32 and the secondary beam 33 are also connected by bolts.

[0036] Preferably, the prefabricated beam 3 comprises a main beam 32 and a secondary beam 33; the secondary beam 33 has a rectangular cross section, and a fourth connecting box 34 is arranged at each corner of the secondary beam 33; the main beam 32 is provided with a second sleeve 35 matched with the fourth connecting box 34; and the second sleeve 35 and the fourth connecting box 34 are connected by bolts. In this embodiment, the prefabricated beam 3 is formed by the main beam 32 and the secondary beam 33 in a frame structure, and the main beam 32 and the secondary beam 33 are also connected by bolts.

[0037] Preferably, the prefabricated beam 3 comprises a main beam 32 and a secondary beam 33; the secondary beam 33 has a rectangular cross section, and a fourth connecting box 34 is arranged at each corner of the secondary beam 33; the main beam 32 is provided with a second sleeve 35 matched with the fourth connecting box 34; and the second sleeve 35 and the fourth connecting box 34 are connected by bolts. In this embodiment, the prefabricated beam 3 is formed by the main beam 32 and the secondary beam 33 in a frame structure, and the main beam 32 and the secondary beam 33 are also connected by bolts.

[0038] Preferably, the prefabricated beam 3 comprises a main beam 32 and a secondary beam 33; the secondary beam 33 has a rectangular cross section, and a fourth connecting box 34 is arranged at each corner of the secondary beam 33; the main beam 32 is provided with a second sleeve 35 matched with the fourth connecting box 34; and the second sleeve 35 and the fourth connecting box 34 are connected by bolts. In this embodiment, the prefabricated beam 3 is formed by the main beam 32 and the secondary beam 33 in a frame structure, and the main beam 32 and the secondary beam 33 are also connected by bolts.

[0039] Preferably, the prefabricated beam 3 comprises a main beam 32 and a secondary beam 33; the secondary beam 33 has a rectangular cross section, and a fourth connecting box 34 is arranged at each corner of the secondary beam 33; the main beam 32 is provided with a second sleeve 35 matched with the fourth connecting box 34; and the second sleeve 35 and the fourth connecting box 34 are connected by bolts. In this embodiment, the prefabricated beam 3 is formed by the main beam 32 and the secondary beam 33 in a frame structure, and the main beam 32 and the secondary beam 33 are also connected by bolts.

[0040] Preferably, the prefabricated outer wall plate 5 is provided with a hollowed-out area, and a decorative panel is arranged on the hollowed-out area, wherein the decorative panel is in a hollowed-out structure and is made of UHPC concrete.

[0041] The UHPC concrete prefabricated component is a prefabricated component made of UHPC concrete, and the UHPC concrete decorative panel is a decorative panel made of UHPC concrete.

[0042] Compared with the prior art, the prefabricated house of the present application has the following advantages: the prefabricated house is assembled by using prefabricated foundation, prefabricated column, prefabricated beam, prefabricated plate, prefabricated outer wall plate and prefabricated stairs, and the components can be quickly connected and installed, and the house can be directly put into use after assembly, thus shortening the construction period and being not affected by seasons; the components can be easily disassembled and reused, thus effectively reducing environmental pollution; the prefabricated components have few types and controllable mold consumption, are economical and meet the requirements of batch production; in addition, the UHPC concrete has excellent strength, which can effectively improve the durability of the prefabricated components, and the house can better resist damage caused by environmental erosion, temperature change and bad weather.

[0043] The embodiments of the present application are given for the purpose of illustration and description, and are not exhaustive or limit the present application to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are chosen and described in order to best explain the principles of the present application and its practical application, and to enable others skilled in the art to understand the present application in order to design various embodiments with various modifications for specific use purposes.

Claims

1. A UHPC prefabricated house, characterized in that, The UHPC prefabricated house is composed of prefabricated components, which are UHPC precast concrete components; the prefabricated components include precast foundations (1), precast columns (2), precast beams (3), precast slabs (4), precast exterior wall panels (5) and precast stairs. The precast foundation is connected to the ground; The precast foundation and the precast column are connected by pre-embedded bolts (11); The precast columns and the precast beams are connected by bolts; The precast slab is installed on the precast beam and connected by bolts; The precast exterior wall panels are connected to the precast beams and the precast slabs respectively by bolts; Two adjacent precast columns are spliced ​​together in the vertical direction.

2. The UHPC prefabricated house according to claim 1, characterized in that, The precast column has a square cross-section, with a first connecting box (21) at each of its four corners. A second connecting box (22) is provided between two adjacent first connecting boxes. The precast foundation is provided with multiple embedded bolts, which connect the first connecting box and the second connecting box respectively. The precast foundation and the precast column are connected and leveled by grouting.

3. The UHPC prefabricated house according to claim 1, characterized in that, The precast column is provided with a corbel (23) for supporting the precast beam. The upper part of the precast column is provided with a first sleeve (24). The precast beam is provided with a third connecting box (31) that cooperates with the first sleeve. The first sleeve and the third connecting box are connected by bolts. The precast beam and the corbel are connected and leveled by grouting.

4. The UHPC prefabricated house according to claim 3, characterized in that, The precast beam includes a main beam (32) and a secondary beam (33); the secondary beam has a rectangular cross-section and a fourth connecting box (34) is provided at each of its four corners; the main beam is provided with a second sleeve (35) that cooperates with the fourth connecting box, and the second sleeve and the fourth connecting box are connected by bolts.

5. The UHPC prefabricated house according to claim 1, characterized in that, The precast slab has a third sleeve (41) on one side and a fifth connecting box (42) on the other side; when two adjacent precast slabs are joined together, the fifth connecting box of one precast slab is connected to the third sleeve on the other precast slab by bolts; the precast beam has a fourth sleeve (36), and the bottom of the fifth connecting box is connected to the fourth sleeve by bolts.

6. The UHPC prefabricated house according to claim 1, characterized in that, The precast exterior wall panel is provided with a sixth connecting box (51), the precast beam is provided with a fifth sleeve (37) that cooperates with the sixth connecting box, and the precast panel is provided with a through hole; the sixth connecting box and the fifth sleeve are connected by bolts; the precast exterior wall panel, the precast panel and the precast beam are connected by bolts, and when connected, the bolts pass through the through hole to connect the fifth sleeve and the sixth connecting box; a mortar layer is provided between the precast exterior wall panel and the precast panel.

7. The UHPC prefabricated house according to claim 1, characterized in that, The bottom of the precast column is pre-embedded with a grouting sleeve (25), and the top is provided with multiple steel bars (26). When adjacent precast columns are spliced ​​in the vertical direction, the steel bars of the lower precast column are inserted into the grouting sleeve of the upper precast column, and the grouting sleeve is filled with grout.

8. The UHPC prefabricated house according to claim 1, characterized in that, The prefabricated exterior wall panels are filled with rock wool.

9. The UHPC prefabricated house according to claim 8, characterized in that, The precast exterior wall panel has a hollow area, and a decorative hanging panel is provided on the hollow area. The decorative hanging panel has a hollow structure and is a UHPC concrete decorative hanging panel.

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