阅读说明：本技术 一种预制地基承台及地基结构 (Prefabricated foundation bearing platform and foundation structure ) 是由 周兆弟 于 2019-01-14 设计创作，主要内容包括：本发明公开了一种预制地基承台,包括地基承台本体,所述地基承台本体为混凝土预制的基础砼体,所述基础砼体具有形状及强度满足承载要求的承台底座,所述承台底座顶部设置有至少一个用于与混凝土预制的墙柱构件的墙柱连接部固定连接的承台连接部。本发明使用预制地基承台来构造地基结构,能够有效缩短施工工期,提高施工效率,减少因施工引起的对工地周边环境的污染。(The invention discloses a prefabricated foundation bearing platform which comprises a foundation bearing platform body, wherein the foundation bearing platform body is a concrete prefabricated foundation concrete body, the foundation concrete body is provided with a bearing platform base with the shape and the strength meeting the bearing requirements, and the top of the bearing platform base is provided with at least one bearing platform connecting part fixedly connected with a wall column connecting part of a concrete prefabricated wall column component. The invention uses the prefabricated foundation bearing platform to construct the foundation structure, can effectively shorten the construction period, improve the construction efficiency and reduce the pollution to the surrounding environment of the construction site caused by construction.)

1. The utility model provides a prefabricated foundation cushion cap, its characterized in that, includes the foundation cushion cap body, the foundation cushion cap body is the prefabricated basic concrete body of concrete, the basic concrete body has the cushion cap base that shape and intensity satisfied the bearing requirement, cushion cap base top is provided with at least one and is used for the cushion cap connecting portion with the wall post connecting portion fixed connection of the prefabricated wall post component of concrete.

2. The prefabricated foundation cap of claim 1, wherein the connection portion of the cap connection portion and the wall stud connection portion is cast with concrete to form a fixed concrete body fixing the foundation cap and the wall stud member.

3. The prefabricated foundation cap of claim 2, wherein the cap coupling part has a cap receiving part provided with a cap receiving recess for receiving the wall stud coupling part, the cap receiving recess allowing concrete to be cast in a gap between the foundation cap and the wall stud member to form a fixed concrete body;

preferably, the bearing platform socket part is provided with a bearing platform socket body at least partially protruding out of the top surface of the bearing platform base, and the bearing platform socket body is provided with a bearing platform socket concave part;

and/or the width of the bearing platform socket concave part is larger than the width of the wall column connecting part socket part, and the depth of the bearing platform socket concave part is more than 1/2 of the width of the wall column connecting part socket part;

or a concrete body pouring surface which is flush with the top surface of the bearing platform base is arranged outside the bearing platform connecting part, and the fixed concrete body can be poured on the concrete body pouring surface; or a concrete body pouring platform which is higher than the top surface of the bearing platform base is arranged outside the bearing platform connecting part, and the fixed concrete body can be poured on the top surface of the concrete body pouring platform; or the bearing platform connecting part is provided with a concave concrete pouring concave part, and the fixed concrete can be poured in the concrete pouring concave part.

4. The prefabricated foundation cap of claim 2, wherein the cap connecting portion is provided with a cap anchoring rib with a first end exposed, the cap anchoring rib is used for fixedly connecting the wall column anchoring rib with a first end exposed, and concrete can be poured on the portions of the cap anchoring rib and the wall column anchoring rib to form a fixed concrete body;

preferably, the bearing platform anchoring rib is provided with a connector, and two ends of the connector are respectively and fixedly connected with a first end of the bearing platform anchoring rib and a first end of the wall column anchoring rib;

more preferably, the connector comprises a locking sleeve, wherein at least two ends of the locking sleeve are provided with internal threads to be in threaded connection with the first end of the bearing platform anchoring rib and the first end of the wall column anchoring rib; or the connector comprises a plug connector and a clamping sleeve, and the clamping sleeve and the plug connector are fixedly connected with the first end of the bearing platform anchoring rib and the first end of the wall anchoring rib respectively; or the clamping sleeve and the plug connector are fixedly connected with the first end of the wall anchoring rib and the first end of the bearing platform anchoring rib respectively, and the plug connector and the clamping sleeve are mutually clamped and fixedly connected;

and/or the second end of the bearing platform anchoring rib is embedded and anchored in the bearing platform base; or the second end of the bearing platform anchoring rib is embedded and anchored in a ground beam, wherein the ground beam penetrates through a ground beam pouring groove formed in the bearing platform base.

5. The prefabricated foundation cap of claim 1, wherein the cap connecting portion is provided with a plurality of foundation positioning members, and the foundation positioning members are matched with corresponding external foundation positioning members provided on the wall column connecting portion to realize the positioning and installation of the prefabricated foundation cap and the wall column member;

preferably, the foundation positioning piece and the external positioning piece are of a positioning hole-positioning rod combined structure, and the positioning hole and the positioning rod are correspondingly configured in the bearing platform connecting part and the wall column connecting part in a set;

more preferably, a plurality of positioning sleeves are embedded in the bearing platform connecting part and used as the positioning holes in the foundation bearing platform, so that the positioning sleeves can be correspondingly inserted into positioning support rods embedded in the wall column connecting part and used as the positioning rods.

6. The prefabricated foundation bearing platform of claim 1, wherein a steel mesh or a steel skeleton is embedded in the bearing platform base, and the steel mesh or the steel skeleton is fixed with a concrete body of the bearing platform base.

7. The prefabricated foundation cap of claim 1, wherein the base area of the cap base is greater than the top area of the cap base, and the vertical cross-section of the cap base is tapered, square, or stepped.

8. The prefabricated foundation cap of claim 1, wherein said foundation cap is provided with a plurality of pile positioning holes into which concrete can be poured to form pile-fixing concrete bodies fixed to piles in the soil layer;

preferably, the cross section of the pile body positioning hole is circular or square, and the pile body positioning hole is arranged in the axial direction of the positioning hole to be a cone shape which is gradually reduced from top to bottom;

and/or the side wall of the positioning hole of the pile body is provided with a bulge, a pit or a groove to form a rough surface.

And/or, a reinforcing steel bar is arranged in the pile platform fixing concrete body, and one end of the reinforcing steel bar is buried in the pile body or fixedly connected with an anchoring steel bar arranged in the pile body.

9. A foundation structure comprising a prefabricated foundation cap according to any one of claims 1 to 8; and a concrete prefabricated wall column member is fixedly arranged at the top of the prefabricated foundation bearing platform.

10. A foundation structure as claimed in claim 9, wherein underground piles are provided, which are buried in the foundation soil layer, for carrying the prefabricated foundation cap;

and/or, a cushion layer is arranged and laid on the foundation soil layer, and the bottom of the prefabricated foundation bearing platform is borne on the cushion layer.

Technical Field

The invention relates to the technical field of buildings, in particular to a prefabricated foundation bearing platform and a foundation structure.

Background

The existing building mostly adopts a concrete structure, the concrete is obtained by adding water into sand, stone, cement and the like for mixing and stirring, the construction period is long, the efficiency is not high, and in the stirring process, serious dust pollution can be formed on one hand, and serious noise pollution can be generated on the other hand.

In view of this, the competent departments put forward the requirement of vigorously popularizing the fabricated building, and corresponding manufacturers also research and develop a large amount of prefabricated components, but the current assembly rate is still not high. The products are concentrated on the aspects of walls, floors, beams, columns and the like, and research and development on the aspect of foundations are few, so that the existing foundations are still constructed in a mode of bundling reinforcement cages and pouring concrete on site, a long time is needed from the construction process of bundling reinforcement cages and pouring concrete to the final foundation formation, the construction efficiency is not high, the period is long, and the problem of serious environmental pollution still exists.

Disclosure of Invention

The invention aims to provide a prefabricated foundation bearing platform and a foundation structure which can effectively shorten the construction period, improve the construction efficiency and reduce the pollution to the surrounding environment of a construction site.

In order to realize the purpose of the invention, the invention adopts the following technical scheme:

the utility model provides a prefabricated foundation cushion cap, includes the foundation cushion cap body, the foundation cushion cap body is the prefabricated basic concrete body of concrete, the basic concrete body has shape and intensity and satisfies the cushion cap base that bears the weight of the requirement, cushion cap base top is provided with at least one and is used for the cushion cap connecting portion with the wall column connecting portion fixed connection of the prefabricated wall column component of concrete.

Further, micro-expansion type concrete is poured at the connecting part of the bearing platform connecting part and the wall column connecting part to form a fixed concrete body for fixing the bearing platform and the wall column.

Further, the bearing platform connecting part is provided with a bearing platform socket part, the bearing platform socket part is provided with a bearing platform socket concave part for socket joint of the wall column connecting part, and the bearing platform socket concave part can pour concrete in a gap between the foundation bearing platform and the wall column component to form a fixed concrete body.

Preferably, the bearing platform socket part is provided with a bearing platform socket body at least partially protruding out of the top surface of the bearing platform base, and the bearing platform socket body is provided with the bearing platform socket concave part.

Preferably, the width of the bearing platform socket concave part is larger than that of the wall-column connecting part socket part, and the depth of the bearing platform socket concave part is more than 1/2 of the width of the wall-column connecting part socket part.

Furthermore, a concrete body pouring surface which is flush with the top surface of the bearing platform base is arranged outside the bearing platform connecting part, and the fixed concrete body can be poured on the concrete body pouring surface; a concrete body pouring platform which is higher than the top surface of the bearing platform base is arranged outside the bearing platform connecting part, and the fixed concrete body can be poured on the top surface of the concrete body pouring platform; or the bearing platform connecting part is provided with a concave concrete pouring concave part, and the fixed concrete can be poured in the concrete pouring concave part.

Preferably, the bearing platform connecting part is provided with a bearing platform anchoring rib with an exposed first end, the bearing platform anchoring rib is used for fixedly connecting the wall column anchoring rib with an exposed first end, and concrete can be poured on the bearing platform anchoring rib and the wall column anchoring rib to form a fixed concrete body.

Further, the bearing platform anchoring rib is provided with a connector, and two ends of the connector are respectively and fixedly connected with the first end of the bearing platform anchoring rib and the first end of the wall column anchoring rib.

Furthermore, the connector comprises a locking sleeve, and the locking sleeve is provided with internal threads to be in threaded connection with the first end of the bearing platform anchoring rib and the first end of the wall column anchoring rib; or the connector comprises a plug connector and a clamping sleeve, and the clamping sleeve and the plug connector are fixedly connected with the first end of the bearing platform anchoring rib and the first end of the wall anchoring rib respectively; or the clamping sleeve and the plug connector are fixedly connected with the first end of the wall anchoring rib and the first end of the bearing platform anchoring rib respectively, and the plug connector is fixedly connected with the clamping sleeve in a clamping mode.

Preferably, the second end of the bearing platform anchoring rib is embedded and anchored in the bearing platform base; or the second end of the bearing platform anchoring rib is embedded and anchored in the ground beam, and the ground beam penetrates through a ground beam pouring groove formed in the bearing platform base.

Preferably, the bearing platform connecting part is provided with a plurality of foundation positioning pieces, and the foundation positioning pieces are matched with corresponding foundation outer positioning pieces arranged on the wall column connecting part to realize the positioning and installation of the prefabricated foundation bearing platform and the wall column component.

Furthermore, the foundation positioning piece and the foundation outer positioning piece are of a positioning hole-positioning rod combined structure, and the positioning holes and the positioning rods are correspondingly arranged on the bearing platform connecting part and the wall column connecting part in a set.

Furthermore, a plurality of sleeves are pre-embedded in the bearing platform connecting part and used as the positioning holes in the foundation bearing platform, so that the sleeves can be correspondingly inserted into the positioning support rods pre-embedded in the wall column connecting part and used as the positioning rods.

Preferably, a steel bar mesh or a steel bar skeleton is embedded in the bearing platform base, and the steel bar mesh or the steel bar skeleton is fixed with the concrete body of the bearing platform base.

Preferably, the bottom area of the bearing platform base is larger than the top area of the bearing platform base, and the vertical section of the bearing platform base is conical, square or stepped.

Preferably, the foundation bearing platform is provided with a plurality of pile positioning holes, and concrete can be poured into the pile positioning holes to form pile platform fixing concrete bodies fixed with the piles in the soil layer.

Furthermore, the section of the pile body positioning hole is circular or square, and the pile body positioning hole is in a conical shape which is gradually reduced from top to bottom.

Furthermore, the side wall of the positioning hole of the pile body is provided with a bulge, a pit or a groove to form a rough surface.

Preferably, set up the reinforcement reinforcing bar in the fixed concrete body of pile platform, the one end of reinforcing bar is buried underground in the pile body or is connected with the anchor reinforcing bar fixed connection that the pile body set up.

The invention also provides a foundation structure, which comprises the prefabricated foundation bearing platform; and a concrete prefabricated wall column member is fixedly arranged at the top of the prefabricated foundation bearing platform.

Furthermore, an underground pile is arranged and buried in the foundation soil layer and used for bearing the prefabricated foundation bearing platform.

Further, the foundation structure is provided with a cushion layer, and the cushion layer is laid on a soil layer and used for bearing the cushion layer of the prefabricated foundation component.

The foundation connection structure is formed by assembling and connecting the foundation, the wall column member and the like which are required to be used in the building on the construction site through the independently prefabricated foundation bearing platform, so that the effects of greatly improving the construction efficiency, shortening the construction period and reducing the environmental pollution of the construction site are achieved. Meanwhile, the components have the characteristic of simple and convenient connection, the components can be stably connected only by a very small amount of concrete pouring connection parts, and the connection strength and the bearing strength are ensured while the components are simple and convenient.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive labor.

FIG. 1 is a schematic view of a foundation structure using a prefabricated foundation cap according to embodiment 1 of the present invention;

FIG. 2 is a schematic view of a foundation structure using a prefabricated foundation cap according to embodiment 2 of the present invention;

FIG. 3 is a schematic view of a foundation structure using a prefabricated foundation cap according to embodiment 3 of the present invention;

FIG. 4 is a schematic view of a foundation structure using a prefabricated foundation cap according to embodiment 4 of the present invention;

FIG. 5 is a schematic view of a foundation structure using a prefabricated foundation cap according to embodiment 5 of the present invention;

FIG. 6 is a schematic view of a first cross-sectional shape of a foundation cap according to an embodiment of the present invention;

FIG. 7 is a schematic view of a second cross-sectional shape of a foundation cap according to an embodiment of the present invention;

FIG. 8 is a schematic view showing a third sectional shape of a foundation cap according to an embodiment of the present invention.

Description of reference numerals: 1. a cushion layer; 2. a foundation cap; 3. a wall stud member; 4. a bearing platform connecting part; 5. a sleeve; 6. positioning the supporting rod; 7. fixing a concrete body; 8. bearing platform anchoring ribs; 9. wall column anchoring ribs; 10. a connector; 11. A ground beam; 12. piling; 13. positioning holes; 14. reinforcing steel bars; 21. a bearing platform base; 31. a wall stud connecting portion; 41. a socket groove; 42. a bearing platform bearing socket body; 61. a guide portion; 211. a cushion cap base body; 212. a bump; 213. pouring a concave part by a concrete body; 2111. a top datum surface.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are some embodiments of the invention, but not all embodiments. Embodiments of the present invention are described below with reference to the drawings.

In the embodiment of the invention, the foundation bearing platform is prefabricated independently, can be rapidly assembled with wall column members and the like on site, and only a small amount of concrete needs to be cast in situ during construction, so that the construction progress is accelerated, and the environmental pollution such as dust, noise and the like is reduced, which is described in detail below.