CN113914349A - Semi-prefabricated column lower independent foundation and installation kit and installation method thereof - Google Patents
Semi-prefabricated column lower independent foundation and installation kit and installation method thereof Download PDFInfo
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- CN113914349A CN113914349A CN202111202526.4A CN202111202526A CN113914349A CN 113914349 A CN113914349 A CN 113914349A CN 202111202526 A CN202111202526 A CN 202111202526A CN 113914349 A CN113914349 A CN 113914349A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
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- 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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
- E04B1/21—Connections specially adapted therefor
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/34—Columns; Pillars; Struts of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings
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- 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
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/18—Adjusting tools; Templates
- E04G21/1841—Means for positioning building parts or elements
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0018—Cement used as binder
- E02D2300/002—Concrete
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/20—Miscellaneous comprising details of connection between elements
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Abstract
The invention relates to a semi-prefabricated column lower independent foundation, an installation kit and an installation method thereof. The installation kit comprises a prefabricated foundation, a columnar prefabricated part and a metal support frame; the installation method comprises the steps of guiding the columnar prefabricated component through the metal supporting frame installed on the prefabricated foundation, and then pouring concrete to enable the prefabricated foundation and the columnar prefabricated component to be connected into a whole. The invention has the advantages of light dead weight, convenient transportation and installation, low manufacturing cost, convenient installation and the like.
Description
Technical Field
The invention relates to the technical field of buildings, in particular to a semi-prefabricated column lower independent foundation, and an installation kit and an installation method thereof.
Background
Foundations are an important component of building construction and are used to transfer the weight of the building to the foundation, and therefore tend to be large in both geometric size and weight. Currently, the independent foundation under the column generally adopts a cast-in-place process. The construction of the independent foundation under the cast-in-place column needs to arrange a template and bind reinforcing steel bars on site, and the construction time on site is long; and the steel bars anchored into the foundation by the frame columns are easy to shift in the pouring process. Therefore, the compatibility between the independent foundation under the cast-in-place column and the fabricated building is poor. The existing fully-prefabricated foundation is heavy in self weight, difficult to transport, position and install, and particularly difficult to ensure the close fit between the foundation and the foundation.
Disclosure of Invention
The invention aims to: the semi-prefabricated column lower independent foundation, the installation kit and the installation method thereof have the advantages of light dead weight, convenience in transportation and installation, low manufacturing cost, convenience in installation and the like.
The invention is realized by the following technical scheme: a semi-prefabricated column lower independent foundation installation kit comprises a building structure part and an installation accessory part,
the building structure part comprises a prefabricated foundation 1 and a columnar prefabricated component;
the prefabricated foundation 1 comprises a plurality of prefabricated side walls 1-1 made of reinforced concrete and reinforcing mesh sheets 1-2, the prefabricated side walls 1-1 are enclosed to form a polygonal foundation frame, the reinforcing mesh sheets 1-2 are arranged in the foundation frame, and the prefabricated side walls 1-1 are anchored at the periphery of the reinforcing mesh sheets 1-2; in the foundation frame, prefabricated foundation fixing holes 1-3 are formed in any two opposite prefabricated side walls 1-1;
the columnar prefabricated part comprises a prefabricated main body, anchoring reinforcing steel bars and connecting pieces, wherein the anchoring reinforcing steel bars are positioned at the bottom of the prefabricated main body, and the connecting pieces are fixedly arranged on any opposite side surfaces in the prefabricated main body;
the mounting accessory part comprises a metal support frame 2, and the metal support frame 2 comprises a section steel beam 2-1 and limiting rods 2-3 arranged at the bottoms of two ends of the section steel beam 2-1; therefore, the two metal support frames 2 are matched with the prefabricated base fixing holes 1-3 through the limiting rods 2-3, and the two metal support frames 2 are installed on the base frame in parallel; the connecting piece of prefabricated column component is set up on metal support frame 2 and makes the anchor reinforcing bar extend into in the foundation frame.
Furthermore, the prefabricated main body of the prefabricated column component is a prefabricated column 3-1, the bottom of the prefabricated column 3-1 is provided with a first anchoring steel bar 3-2, any opposite side surface of the prefabricated column 3-1 is provided with a first connecting piece 3-3, and the adjacent side surface of the prefabricated column 3-1 is also provided with a prefabricated column unit fixing hole 3-4.
On the basis that the prefabricated main body of the prefabricated column component is a prefabricated column 3-1, the installation accessory part further comprises an adjusting stay bar 4, wherein the adjusting stay bar 4 comprises a rod body 4-1, connecting pieces 4-2 arranged at two ends of the rod body 4-1 and an adjusting device 4-3 arranged on the rod body 4-1 and used for adjusting the length of the rod body 4-1; the connecting pieces 4-2 at the two ends are respectively connected with the prefabricated column unit fixing holes 3-4 of the prefabricated columns 3-1 and the prefabricated side walls 1-1.
Furthermore, the prefabricated main body of the prefabricated column component is a prefabricated cup opening connecting piece 5-1, second anchoring steel bars 5-2 are arranged at the bottom of the prefabricated cup opening connecting piece 5-1, and second connecting pieces 5-3 are arranged on any opposite side surfaces of the prefabricated cup opening connecting piece 5-1. The prefabricated cup mouth connecting piece 5-1 is formed by enclosing a plurality of prefabricated cup mouth side walls supported by reinforced concrete.
A method for installing an independent foundation installation kit under a semi-prefabricated column comprises the following steps:
step 1: placing the prefabricated foundation 1 in a foundation pit, and adjusting the plane for positioning;
step 2: fixing two metal support frames 2 on a prefabricated foundation 1, wherein the gap between the two metal support frames 2 corresponds to the side length of the columnar prefabricated part in the corresponding direction;
and step 3: hoisting the columnar prefabricated part, and adjusting the plane to position, so that the connecting piece of the columnar prefabricated part is placed on the upper surface of the medium-sized steel beam 2-1 of the metal support frame 2;
and 4, step 4: and (3) pouring concrete in the cavity enclosed by the prefabricated side wall 1-1, and removing the metal support frame 2 after the concrete is hardened, thereby finishing the construction of the foundation.
And 2, the prefabricated main body of the prefabricated column component in the steps 2 and 3 is a prefabricated cup mouth connecting piece 5-1.
Further, when the prefabricated main body of the prefabricated column component in the steps 2 and 3 is the prefabricated column 3-1, the following steps are further included between the step 3 and the step 4: preparing two adjusting support rods 4 which are respectively and correspondingly arranged on two adjacent side surfaces of the prefabricated column 3-1; the adjusting stay bar 4 is arranged between the prefabricated foundation 1 and the prefabricated column 3-1, specifically, a connecting piece 4-2 at the upper end of the adjusting stay bar 4 is connected with a prefabricated column unit fixing hole 3-4, a connecting piece 4-2 at the lower end of the adjusting stay bar 4 is connected with the prefabricated side wall 1-1, and then the perpendicularity of the prefabricated column 3-1 is adjusted by adjusting an adjusting device 4-3;
meanwhile, in the step 4, concrete is poured in a cavity enclosed by the prefabricated side wall 1-1, and after the concrete is hardened, the metal support frame 2 and the adjusting support rod 4 need to be removed, so that the construction of the foundation is completed.
A semi-prefabricated column lower independent foundation manufactured according to the installation method comprises a prefabricated foundation 1 and a columnar prefabricated part;
the prefabricated foundation 1 comprises a plurality of prefabricated side walls 1-1 made of reinforced concrete and reinforcing mesh sheets 1-2, the prefabricated side walls 1-1 are enclosed to form a polygonal foundation frame, the reinforcing mesh sheets 1-2 are arranged in the foundation frame, and the prefabricated side walls 1-1 are anchored at the peripheries of the reinforcing mesh sheets 1-2;
the columnar prefabricated part comprises a prefabricated main body, anchoring reinforcing steel bars and connecting pieces, wherein the anchoring reinforcing steel bars are positioned at the bottom of the prefabricated main body, and the connecting pieces are fixedly arranged on any opposite side surfaces in the prefabricated main body;
the anchoring steel bars of the prefabricated main body extend into a cavity formed by enclosing the prefabricated side wall 1-1, concrete is filled in the cavity, and the prefabricated foundation and the columnar prefabricated part are connected into a whole by the solidified concrete.
Furthermore, a prefabricated main body in the columnar prefabricated part is a prefabricated column 3-1 or a prefabricated cup mouth connecting piece 5-1.
Compared with the prior art, the invention has the beneficial effects that:
1. the lower independent foundation of the semi-prefabricated column consists of a plurality of components, and has light dead weight, convenient transportation and installation and low manufacturing cost;
2. the independent foundation under the semi-prefabricated column is convenient to assemble, has a sufficient adjusting mechanism and is high in installation precision;
3. the template is not arranged on site, and the foundation construction speed is high;
4. the prefabricated foundation is provided with a large-area cavity, so that the close adhesion of post-cast concrete and a ground surface is ensured, and the force transmission of the foundation is more reliable.
Drawings
FIG. 1 is a schematic structural view of a prefabricated foundation;
FIG. 2 is a schematic structural view of a metal supporting frame;
FIG. 3 is a schematic structural view of a prefabricated column unit;
FIG. 4 is a schematic view of the structure of the adjusting stay bar;
FIG. 5 is a schematic structural view of a prefabricated cup rim connecting unit;
FIG. 6 is a schematic view of the structure of step 1 in example 3;
FIG. 7 is a schematic view showing the structure of step 2 in example 3;
FIG. 8 is a schematic view showing the structure of step 3 in example 3;
FIG. 9 is a schematic view showing the structure of step 4 in example 3;
FIG. 10 is a schematic view showing the structure of step 5 in example 3;
FIG. 11 is a schematic view showing the structure of step 1 in example 4;
FIG. 12 is a schematic view showing the structure of step 2 in example 4;
FIG. 13 is a schematic view showing the structure of step 3 in example 4;
fig. 14 is a schematic structural view of step 4 in example 4.
Description of reference numerals: the prefabricated steel-reinforced concrete composite wall comprises a prefabricated foundation 1, a prefabricated side wall 1-1, a steel bar net 1-2, a prefabricated foundation 1-3 fixing hole, a metal supporting frame 2, a section steel beam 2-1, a flange 2-2, a limiting rod 2-3, a prefabricated column unit 3-1, a prefabricated column 3-2, a first anchoring steel bar 3-2, a first connecting piece 3-3, a prefabricated column unit fixing hole 3-4, an adjusting supporting rod 4-1, a rod body 4-1, a connecting piece 4-2, an adjusting device 4-3, a prefabricated cup mouth connecting unit 5-1, a prefabricated cup mouth connecting piece 5-2, a second anchoring steel bar 5-3 and a second connecting piece 5-3.
Detailed Description
The invention is described in detail below with reference to the following description of the drawings:
as shown in fig. 1-5: the installation kit of the semi-prefabricated column lower independent foundation mainly comprises a prefabricated foundation 1, a metal support frame 2 and a columnar prefabricated part, wherein due to the fact that the structure of the columnar prefabricated part is different, an adjusting stay bar 4 needs to be selectively added.
The prefabricated foundation 1 mainly comprises a prefabricated side wall 1-1, a steel bar net piece 1-2 with the periphery anchored on the prefabricated side wall 1-1 and prefabricated foundation fixing holes 1-3 arranged on the top surface of the prefabricated side wall 1-1. The prefabricated side wall 1-1 is made of reinforced concrete, the outer edge of the prefabricated side wall is consistent with the shape of a foundation, the inner edge of the prefabricated side wall is similar to the outer edge of the prefabricated side wall in shape, and the wall thickness is determined according to the size of the outer contour of the foundation.
The mounting accessory part comprises a metal support frame 2, and the metal support frame 2 comprises a section steel beam 2-1 and limiting rods 2-3 arranged at the bottoms of two ends of the section steel beam 2-1; therefore, the two metal support frames 2 are matched with the prefabricated base fixing holes 1-3 through the limiting rods 2-3, and the two metal support frames 2 are installed on the base frame in parallel; the connectors of the prefabricated column members are overlapped on the metal support frame 2 so that the anchoring steel bars extend into the foundation frame (namely, a cavity formed by the enclosing prefabricated side walls 1-1).
Considering the problem of later-stage construction and concrete pouring, two ends of the section steel beam 2-1 need to be provided with a flange 2-2 protruding downwards, and the limiting rod 2-3 is arranged on the flange 2-2.
The specific structure of the column-shaped prefabricated member here extends to the following two embodiments:
example 1
As shown in fig. 3 and 4: the prefabricated column component is characterized in that a prefabricated main body of the prefabricated column component is a prefabricated column 3-1, first anchoring steel bars 3-2 are arranged at the bottom of the prefabricated column 3-1, first connecting pieces 3-3 are arranged on any opposite side surfaces of the prefabricated column 3-1, and prefabricated column unit fixing holes 3-4 are further formed in adjacent side surfaces of the prefabricated column 3-1. (for convenience of the following description, the whole of the prefabricated pillar 3-1, the first anchoring bar 3-2, the first connecting member 3-3, and the prefabricated pillar unit fixing hole 3-4 will be referred to as a prefabricated pillar unit 3).
At this time, in the later installation process, the additional arrangement of the adjusting stay bar 4 needs to be considered for auxiliary installation; the adjusting stay bar 4 is composed of a bar body 4-1 which is made of section steel and is in a strip shape, connecting pieces 4-2 which are arranged at two ends of the bar body 4-1 and a bar length adjusting device 4-3 which is arranged at the middle section of the bar body 4-1. The adjusting stay bar 4 is erected between the prefabricated foundation 1 and the columnar prefabricated part, the connecting piece 4-2 at the upper end is connected with the prefabricated column unit fixing hole 3-4, and the connecting piece 4-2 at the lower end is connected with the prefabricated foundation fixing hole 1-3.
Example 2
As shown in fig. 5: when the prefabricated column unit is long and the use of the adjusting stay 4 cannot ensure safety, the prefabricated main body of the prefabricated column component can be designed into a prefabricated cup mouth connecting piece 5-1 to implement connection. The prefabricated main body of the prefabricated column component is a prefabricated cup opening connecting piece 5-1, the bottom of the prefabricated cup opening connecting piece 5-1 is provided with a second anchoring steel bar 5-2, and any opposite side surface of the prefabricated cup opening connecting piece 5-1 is provided with a second connecting piece 5-3. The prefabricated cup mouth connecting piece 5-1 is formed by enclosing a plurality of prefabricated cup mouth side walls supported by reinforced concrete. (for convenience of the following description, the whole of the prefabricated cup rim connector 5-1, the second anchoring bar 5-2, and the second connector 5-3 will be referred to as a prefabricated cup rim connecting unit 5).
The installation method of the installation kit of the semi-prefabricated column lower independent foundation comprises the following two embodiments according to the specific structure of a columnar prefabricated part:
example 3
As shown in fig. 6-10: when prefabricated column 3-1 is used for connection:
step 1: firstly, placing a prefabricated foundation 1 in a foundation pit, and adjusting the plane for positioning;
step 2: fixing the metal support frame 2 in the prefabricated foundation fixing holes 1-3 through connecting pieces 2-3; the gap between the two metal support frames 2 is the same as the side length of the prefabricated column 3-1 in the corresponding direction;
and step 3: lifting the prefabricated column 3-1, adjusting the plane and positioning, and placing the first connecting piece 3-3 on the upper surface of the section steel beam 2-1 of the metal support frame;
and 4, step 4: installing an adjusting support rod 4 between a prefabricated foundation 1 and a prefabricated column 3-1, wherein a connecting piece 4-2 at the upper end is connected with a prefabricated column unit fixing hole 3-4, and a connecting piece 4-2 at the lower end is connected with a prefabricated foundation fixing hole 1-3; adjusting the verticality of the columnar prefabricated part through a rod length adjusting device 4-3;
and 5: and (3) pouring concrete in a cavity enclosed by the prefabricated side walls 1-1, and removing the metal support frame 2 and the adjusting support rod 4 after the concrete is hardened, so that the construction of the foundation is completed.
Example 4
As shown in fig. 11-14: when the prefabricated cup mouth connecting piece is used for connection:
step 1: firstly, placing a prefabricated foundation 1 in a foundation pit, and adjusting the plane for positioning;
step 2: fixing the metal support frame 2 in the prefabricated foundation fixing holes 1-3 through connecting pieces 2-3; the gap between the two metal support frames 2 is the same as the side length of the prefabricated cup mouth connecting unit 5 in the corresponding direction;
and step 3: hoisting the prefabricated cup mouth connecting unit 5, adjusting the plane to position, placing the second connecting piece 5-3 of the prefabricated cup mouth connecting unit 5 on the upper surface of the metal support frame type steel beam 2-1, and fixing after adjustment;
and 4, step 4: and (3) pouring concrete in a cavity enclosed by the prefabricated side walls 1-1, and removing the metal support frame 2 after the concrete is hardened, so that the construction of the foundation is completed.
According to the construction method, a semi-prefabricated column lower independent foundation can be manufactured, and the semi-prefabricated column lower independent foundation comprises a prefabricated foundation 1 and a columnar prefabricated part;
the prefabricated foundation 1 comprises a plurality of prefabricated side walls 1-1 made of reinforced concrete and reinforcing mesh sheets 1-2, the prefabricated side walls 1-1 are enclosed to form a polygonal foundation frame, the reinforcing mesh sheets 1-2 are arranged in the foundation frame, and the prefabricated side walls 1-1 are anchored at the peripheries of the reinforcing mesh sheets 1-2;
the columnar prefabricated part comprises a prefabricated main body, anchoring reinforcing steel bars and connecting pieces, wherein the anchoring reinforcing steel bars are positioned at the bottom of the prefabricated main body, and the connecting pieces are fixedly arranged on any opposite side surfaces in the prefabricated main body;
the anchoring steel bars of the prefabricated main body extend into a cavity formed by enclosing the prefabricated side wall 1-1, concrete is filled in the cavity, and the prefabricated foundation and the columnar prefabricated part are connected into a whole by the solidified concrete. The prefabricated main body in the columnar prefabricated part is a prefabricated column 3-1 or a prefabricated cup mouth connecting piece 5-1.
While the invention has been illustrated and described with respect to specific embodiments and alternatives thereof, it will be understood that various changes and modifications can be made without departing from the spirit and scope of the invention. It is understood, therefore, that the invention is not to be in any way limited except by the appended claims and their equivalents.
Claims (10)
1. The utility model provides an independent basis installation external member under semi-prefabricated post which characterized in that: it comprises a building structure part and a mounting fitting part,
the building structure part comprises a prefabricated foundation (1) and a columnar prefabricated component;
the prefabricated foundation (1) comprises a plurality of prefabricated side walls (1-1) made of reinforced concrete and reinforcing mesh sheets (1-2), the prefabricated side walls (1-1) are enclosed to form a polygonal foundation frame, the reinforcing mesh sheets (1-2) are arranged in the foundation frame, and the prefabricated side walls (1-1) are anchored at the periphery of the reinforcing mesh sheets (1-2); in the foundation frame, prefabricated foundation fixing holes (1-3) are arranged on any two opposite prefabricated side walls (1-1);
the columnar prefabricated part comprises a prefabricated main body, anchoring reinforcing steel bars and connecting pieces, wherein the anchoring reinforcing steel bars are positioned at the bottom of the prefabricated main body, and the connecting pieces are fixedly arranged on any opposite side surfaces in the prefabricated main body;
the mounting accessory part comprises a metal support frame (2), and the metal support frame (2) comprises a section steel beam (2-1) and limiting rods (2-3) arranged at the bottoms of two ends of the section steel beam (2-1); therefore, the two metal support frames (2) are matched with the prefabricated base fixing holes (1-3) through the limiting rods (2-3), and the two metal support frames (2) are arranged on the base frame in parallel; the connecting piece of the prefabricated column component is erected on the metal support frame (2) so that the anchoring reinforcing steel bar extends into the foundation frame.
2. The semi-prefabricated column independent foundation installation kit of claim 1, wherein: the prefabricated column component is characterized in that a prefabricated main body of the prefabricated column component is a prefabricated column (3-1), first anchoring steel bars (3-2) are arranged at the bottom of the prefabricated column (3-1), first connecting pieces (3-3) are arranged on any opposite side surfaces of the prefabricated column (3-1), and prefabricated column unit fixing holes (3-4) are further formed in adjacent side surfaces of the prefabricated column (3-1).
3. A semi-prefabricated column independent foundation installation kit as claimed in claim 2, wherein: the mounting accessory part also comprises an adjusting stay bar (4), wherein the adjusting stay bar (4) comprises a bar body (4-1), connecting pieces (4-2) arranged at two ends of the bar body (4-1) and an adjusting device (4-3) arranged on the bar body (4-1) and used for adjusting the length of the bar body (4-1); the connecting pieces (4-2) at the two ends are respectively connected with the prefabricated column unit fixing holes (3-4) of the prefabricated columns (3-1) and the prefabricated side walls (1-1).
4. The semi-prefabricated column independent foundation installation kit of claim 1, wherein: the prefabricated main body of the prefabricated column component is a prefabricated cup opening connecting piece (5-1), second anchoring steel bars (5-2) are arranged at the bottom of the prefabricated cup opening connecting piece (5-1), and second connecting pieces (5-3) are arranged on any opposite side surfaces in the prefabricated cup opening connecting piece (5-1).
5. The semi-prefabricated column independent foundation installation kit of claim 4, wherein: the prefabricated cup mouth connecting piece (5-1) is formed by enclosing a plurality of prefabricated cup mouth side walls supported by reinforced concrete.
6. The method for installing a semi-prefabricated column independent foundation installation kit according to any one of claims 1-5, wherein the method comprises the following steps: it comprises the following steps:
step 1: placing the prefabricated foundation (1) in a foundation pit, and adjusting the plane for positioning;
step 2: fixing two metal support frames (2) on a prefabricated foundation (1), wherein the gap between the two metal support frames (2) corresponds to the side length of the columnar prefabricated part in the corresponding direction;
and step 3: hoisting the columnar prefabricated part, and after adjusting the plane positioning, placing a connecting piece of the columnar prefabricated part on the upper surface of a medium-sized steel beam (2-1) of the metal support frame (2);
and 4, step 4: and (3) pouring concrete in the cavity enclosed by the prefabricated side wall (1-1), and removing the metal support frame (2) after the concrete is hardened, thereby finishing the construction of the foundation.
7. The mounting method according to claim 6, wherein: the prefabricated main body of the prefabricated column component in the steps 2 and 3 is a prefabricated cup mouth connecting piece (5-1).
8. The mounting method according to claim 6, wherein: when the prefabricated main body of the prefabricated column component in the steps 2 and 3 is a prefabricated column (3-1), the following steps are further included between the step 3 and the step 4: preparing two adjusting support rods (4) which are respectively and correspondingly arranged on two adjacent side surfaces of the prefabricated column (3-1); the adjusting support rod (4) is arranged between the prefabricated foundation (1) and the prefabricated column (3-1), specifically, a connecting piece (4-2) at the upper end of the adjusting support rod (4) is connected with a prefabricated column unit fixing hole (3-4), a connecting piece (4-2) at the lower end of the adjusting support rod (4) is connected with the prefabricated side wall (1-1), and then the perpendicularity of the prefabricated column (3-1) is adjusted by adjusting an adjusting device (4-3);
and meanwhile, in the step 4, concrete is poured in a cavity enclosed by the prefabricated side wall (1-1), and after the concrete is hardened, the metal support frame (2) and the adjusting support rod (4) need to be dismantled, so that the construction of the foundation is completed.
9. The semi-prefabricated underpinning independent foundation produced by the installation method according to any one of claims 6 to 8, wherein: the prefabricated foundation comprises a prefabricated foundation (1) and a columnar prefabricated part;
the prefabricated foundation (1) comprises a plurality of prefabricated side walls (1-1) made of reinforced concrete and reinforcing mesh sheets (1-2), the prefabricated side walls (1-1) are enclosed to form a polygonal foundation frame, the reinforcing mesh sheets (1-2) are arranged in the foundation frame, and the prefabricated side walls (1-1) are anchored at the periphery of the reinforcing mesh sheets (1-2);
the columnar prefabricated part comprises a prefabricated main body, anchoring reinforcing steel bars and connecting pieces, wherein the anchoring reinforcing steel bars are positioned at the bottom of the prefabricated main body, and the connecting pieces are fixedly arranged on any opposite side surfaces in the prefabricated main body;
the anchoring steel bars of the prefabricated main body extend into a cavity formed by enclosing the prefabricated side walls (1-1), concrete is filled in the cavity, and the prefabricated foundation and the columnar prefabricated parts are connected into a whole by the solidified concrete.
10. Semi-prefabricated underpinning free-standing foundation according to claim 9, characterized in that: the prefabricated main body in the columnar prefabricated part is a prefabricated column (3-1) or a prefabricated cup mouth connecting piece (5-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111202526.4A CN113914349A (en) | 2021-10-15 | 2021-10-15 | Semi-prefabricated column lower independent foundation and installation kit and installation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111202526.4A CN113914349A (en) | 2021-10-15 | 2021-10-15 | Semi-prefabricated column lower independent foundation and installation kit and installation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113914349A true CN113914349A (en) | 2022-01-11 |
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ID=79240665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111202526.4A Pending CN113914349A (en) | 2021-10-15 | 2021-10-15 | Semi-prefabricated column lower independent foundation and installation kit and installation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113914349A (en) |
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2021
- 2021-10-15 CN CN202111202526.4A patent/CN113914349A/en active Pending
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