WO2018194279A1 - 현장 타설 팽이말뚝 기초 및 이의 시공방법 - Google Patents
현장 타설 팽이말뚝 기초 및 이의 시공방법 Download PDFInfo
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- WO2018194279A1 WO2018194279A1 PCT/KR2018/003403 KR2018003403W WO2018194279A1 WO 2018194279 A1 WO2018194279 A1 WO 2018194279A1 KR 2018003403 W KR2018003403 W KR 2018003403W WO 2018194279 A1 WO2018194279 A1 WO 2018194279A1
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- concrete
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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
- E02D27/01—Flat foundations
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/48—Piles varying in construction along their length, i.e. along the body between head and shoe, e.g. made of different materials along their length
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2200/00—Geometrical or physical properties
- E02D2200/16—Shapes
- E02D2200/1692—Shapes conical or convex
Definitions
- the present invention can form the top pile structure directly on the aggregate compaction layer of the site-pouring concrete, while the whole top pile foundation can be integrated into a single continuous structure, which can easily improve the bearing strength of the structure foundation. And it relates to a construction method thereof.
- the top pile which is used as the basis of various constructions and civil engineering structures, is an advantageous structure for transferring the upper loads to the ground and is widely used as the foundation work for structures.
- the conventional top pile is mainly constructed by carrying a precast concrete top pile product manufactured in a factory. More specifically, as shown in FIG. 1, the top pile 6 is mounted on the ground on which the bottom is stopped, and then the aggregates such as crushed stone are pushed into the gap between neighboring top piles 6 and compacted with a vibrator. It is constructed in such a way as to form layer 21.
- the top pile construction is not only very expensive to manufacture and transport, but also very inconvenient to handle and construct the product.
- the neighboring top piles 6 are independently separated from each other, so it is difficult to guarantee the continuity of the foundation, and the filling and compacting work of the aggregates under the top piles 6 is difficult to be properly performed.
- a field-pouring type top pile using a top-shaped permanent formwork has been widely used.
- Such a field-pouring top pile has advantages in that it is easy to manufacture and transport compared to a conventional factory-made precast top pile.
- in situ pour top pile of Patent No. 10-0996728 is to improve the workability of the top pile by using the coupling portion of the top portion and the reinforcing bar groove.
- the registered patent also entails difficulty in manufacturing because the volume of the top part which is a permanent formwork is large and the burden on transportation is complicated and the details are complicated.
- top pile is only connected to each other only a part of the width, and after the formation of the top pile base in place by placing the aggregate into the gap between the top pile top cured with a vibrator there is a limitation that the aggregate layer of the top pile bottom is not properly compacted.
- the present invention does not need to manufacture a top pile at a factory or transport it to a site, and also provides an on-site pouring top pile base and a construction method thereof, which is a consumable die top.
- the present invention is to provide a construction site and the construction method of the top-floor top pile that can be shortened by the air construction and improved economic efficiency.
- the present invention is to provide an on-site pouring top pile base and a construction method thereof, which is easy to install aggregate compared to the conventional top pile foundation and secures a dense lower support layer.
- the present invention can not only integrate a plurality of top pile tops, but also when the cast concrete and top piles of the bottom of the building foundation are integrally placed, the load of the upper structure is efficiently distributed and transmitted to the entire foundation, and the seismic performance is improved.
- the purpose of the present invention is to provide a field foundation top pile pile and its construction method.
- an aggregate compaction layer having a plurality of top spaces having the same shape as that of the space-forming sphere is formed by a space-forming sphere having a cone shape of an ordinary light beam to be installed on the ground; An impervious cover provided on an inner circumferential surface of the top space; and an in-situ concrete being poured inside the impermeable cover; Consisting of, the on-site pour top pile foundation, characterized in that the on-site pour concrete is directly formed in the top space of the aggregate compaction layer without a space forming sphere.
- the top of the top space and the top of the aggregate compaction layer provides an on-site pour top pile base, characterized in that the concrete is integrally poured with the concrete inside the top space up to a certain height.
- the top space is formed to be spaced apart from the neighboring top space, the diameter of the top space of the top space is characterized in that 50 ⁇ 90% of the center spacing between the top space Provide the foundation.
- the present invention according to another preferred embodiment provides a site-in-placed top pile foundation, which is further provided with a tail part located in the site-in-place concrete inside the top space to protrude upward.
- the present invention according to another preferred embodiment provides a site-pouring top pile foundation, characterized in that the horizontal reinforcing connector is arranged in a grid in the site-pour concrete on the top of the aggregate compaction layer.
- both ends are bent downwardly to provide a field-pouring top pile base, characterized in that the connection reinforcement is further provided, each of which is bent in the neighboring top space.
- the present invention according to another preferred embodiment for the construction of the site-pouring top pile pile, (a) the upper part is opened in the cone shape of the ordinary light substrait on the ground top of the stop work is completed, a plurality of through-holes formed on the outer peripheral surface Arranging a plurality of space forming spheres; (b) depositing and compacting aggregate in a space between the space forming spheres in the upper ground to form an aggregate compacting layer; And (c) pouring concrete into the space-forming sphere, and gradually recovering the space-forming sphere to the upper portion so that the site-pouring concrete is filled in the top space formed in the aggregate compaction layer by the space-forming sphere, and Pouring the site-casting concrete to a certain height in the upper portion; Provides a construction method of the field-pouring top pile pile, characterized in that consisting of.
- the present invention according to another preferred embodiment for the construction of the site-pouring top pile pile, (a) a plurality of cone-shaped space forming spheres of the upper light subsoil provided with an impervious cover on the outer surface on the ground where the stop work is completed Deploying; (b) after the aggregate is formed in the space between the space forming spheres on the ground and compacted to form an aggregate compaction layer, the space forming spheres are recovered, and the impermeable cover is left to form a top space provided with an impermeable cover on the inner circumferential surface. Doing; And (c) pouring the site-pouring concrete up to a predetermined height above the interior of the top space and the aggregate compaction layer; It provides a construction method of the field-pouring top pile pile, characterized in that configured to include.
- the present invention according to another preferred embodiment for the construction of the site-pouring top pile pile, (a) arranging a plurality of cone-shaped space-forming sphere of the upper light sub-strait on the ground where the stop operation is completed; (b) forming an aggregate compaction layer by arranging aggregate in the space between the space forming spheres in the upper part of the ground and then forming an aggregate compaction layer to form an impermeable cover by spraying and curing the grout material on the aggregate compaction layer on the outer circumferential surface of the space forming sphere, forming a space Collecting only the spheres to form a top space; And (c) pouring the site-pouring concrete up to a predetermined height above the interior of the top space and the aggregate compaction layer; It provides a construction method of the field-pouring top pile pile, characterized in that configured to include.
- the discarded concrete to be poured into the bottom of the structure is characterized in that the continuous pouring with the site-pouring concrete that is poured in the interior of the top space and the aggregate compaction layer Provides the construction method of the site-casting top pile foundation.
- the aggregate compaction layer is formed on the top of the ground in a state in which the space forming tool is installed, and the top pile may be formed of the cast-in-place concrete in the top space formed by the space forming tool.
- the top pile does not need to be manufactured at the factory or transported to the site, nor is the formless top container needed. Furthermore, it is economical because there is no cost burden associated with the manufacture or transportation of the top pile or top container.
- the diameter of the top surface of the space-forming sphere for forming the top pile can be adjusted the interval between the neighboring top pile. Accordingly, by sufficiently securing the compacting work space between the neighboring top piles, it is possible to easily proceed with the aggregate laying work compared to the conventional top piles and to secure a much dense lower support layer.
- top piles By connecting neighboring top piles with horizontal reinforcing connecting members or connecting reinforcing members.
- FIG. 1 is a cross-sectional view showing a conventional top pile foundation.
- Figure 2 is a cross-sectional view showing the present invention site pouring top pile foundation.
- FIG 3 is a perspective view showing an embodiment of a space forming tool.
- FIG. 4 is a perspective view showing a mesh space forming sphere
- FIG. 5 is a perspective view showing a space-forming sphere in which an impervious cover is coupled.
- Figure 6 is a cross-sectional view of the present invention site pouring top pile foundation provided with a tail portion.
- Figure 7 is a cross-sectional view of the present invention site pouring top pile foundation provided with a horizontal reinforcing connector and a shear connector.
- connection reinforcing material is a perspective view showing a top space provided with a connection reinforcing material.
- Figure 9 is a view showing the step-by-step process for the construction method of the present invention site-pouring top pile base by the mesh space forming sphere.
- Figure 10 is a view showing a step-by-step process for the construction method of the field-pouring top pile foundation according to an embodiment of the present invention when equipped with an impervious cover.
- Figure 11 is a view showing a step-by-step process for the construction method of the present invention site pouring top pile foundation according to another embodiment when equipped with an impermeable cover.
- FIG. 12 is a view showing the step-by-step process for the construction method of the present invention site pouring top pile foundation according to another embodiment.
- FIG. 13 is a cross-sectional view of the site-pouring spinning top foundation supporting the superstructure
- the present invention provides an aggregate compaction layer having a plurality of top spaces having the same shape as that of the space forming sphere by the space forming sphere, which is installed in the upper part of the ground, and having a cone shape of the ordinary light beam; An impervious cover provided on an inner circumferential surface of the top space; and an in-situ concrete being poured inside the impermeable cover; Consisting of, the on-site pour top pile foundation, characterized in that the on-site pour concrete is directly formed in the top space of the aggregate compaction layer without a space forming sphere.
- FIG. 2 is a cross-sectional view showing the present invention site pouring top pile foundation
- FIG. 3 is a perspective view showing an embodiment of a space forming tool.
- the present invention places the pouring top pile base to be installed on the ground 1 and has the same shape as that of the space forming tool 22 by the space forming tool 22, which is a cone shape of the upper and lower straits.
- An aggregate compaction layer 21 having a plurality of top spaces 23 formed thereon;
- An impervious cover (25) provided on an inner circumferential surface of the top space (23): and an in situ pour concrete (24) which is poured inside the impermeable cover (25);
- Consisting characterized in that the on-site pour concrete 24 is formed directly in the top space 23 of the aggregate compaction layer 21 without the space forming port 22.
- the aggregate compaction layer 21 is installed on the ground 1, and a plurality of top spaces 23 having the same shape as the space forming holes 22 are formed by the space forming holes 22 that are cone-shaped in the ordinary light narrowing. It is formed on the top.
- the aggregate compaction layer 21 is arranged in a plurality of rows of the space forming sphere 22 on the ground (1) after the ground (1) stop operation, and then aggregate aggregate on the upper ground (1) around the space forming sphere 22 Form and chop.
- the space forming tool 22 is for forming the top space 23 in the aggregate compaction layer 21, as shown in FIG.
- the space forming tool 22 can be repeatedly used to be removed before or after the in-site pouring concrete 24.
- the space forming tool 22 may be formed of a material such as a hollow plate or wood, the inside is full.
- the site-pouring concrete 24 is poured into the top space 23 of the aggregate compaction layer 21.
- the site-in-place concrete 24 includes not only general concrete but also groutable material that can be solidified.
- the site-pouring concrete 24 may be poured into the top space 23 after removing the space-forming sphere 22.
- the site-pouring concrete 24 may be directly poured concrete into the top space 23, as shown in Figure 12 (f) to be described later after filling the aggregate 24 'in the top space 23 first It can also be formed by injecting cement mortar with slump or sticky grout.
- the aggregate forming layer 21 is formed on the ground 1 in the state in which the space forming tool 22 is installed, and the site-pouring concrete is formed inside the top space 23 formed by the space forming tool 22 ( 24) form the top pile.
- the top pile is formed on the aggregate compaction layer 21 by the site-pouring concrete 24 because the top pile does not need to be manufactured or transported to the site, and the top container for permanent formwork is also unnecessary. Therefore, there is no cost burden associated with the manufacture or transportation of the top pile or top container, which is convenient and economical.
- top pile can be formed directly on the aggregate compaction layer 21 by the site-pouring concrete 24, the construction can be performed very economically and quickly.
- the upper portion of the top space 23 and the aggregate compaction layer 21 may be configured so that concrete is integrally poured with the concrete inside the top space 23 to a predetermined height.
- the concrete may be poured only inside the top space 23, or may be integrally poured up to a predetermined height on the top of the top space 23 and the aggregate compaction layer 21.
- top piles When the concrete is poured into the top space 23, as well as the top of the top space 23 and the aggregate compaction layer 21 to a predetermined height integrally, a plurality of top piles can be integrated.
- the top space 23 is formed to be spaced apart from the neighboring top space 23, the diameter of the top surface of the top space 23 may be configured to be 50 ⁇ 90% of the center interval between the top space (23). .
- Conventional top piles are configured so that a plurality of neighboring top piles are in contact with each other, it is difficult to install and compact the aggregate.
- the space forming spheres 22 for forming the top piles are arranged to be spaced apart from each other, so that the neighboring top spaces 23 are also spaced from each other, thereby ensuring sufficient space between the adjacent top piles. Accordingly, it is possible to easily install and compact aggregate and secure a dense lower support layer.
- the diameter of the top surface of the top space 23 is preferably 70 to 85% of the center distance between the top spaces 23.
- FIG. 4 is a perspective view illustrating a mesh space forming sphere.
- the space forming tool 22 may be formed in a mesh shape in which an upper portion thereof is opened and a plurality of through holes 221 are formed on an outer circumferential surface thereof.
- the mesh space forming tool 22 can be used by assembling a metal material or the like into a mesh shape.
- the mesh space forming tool 22 may be formed by bending a prefabricated steel wire mesh, a metal lath mesh, a perforated steel sheet punched with a laser to form the through hole 221.
- the mesh-shaped space forming tool 22 has a plurality of through holes 221 formed on the outer circumferential surface thereof.
- the solid concrete that is poured in the top space 23 through the through hole 221 is the top space.
- the space-forming sphere 22 can be recovered and reused while remaining at 23.
- the mesh-shaped space forming tool 22 prevents the aggregate of the aggregate compaction layer 21 located on the outside from flowing into the top space 23 side while maintaining the quality of the top pile structure being poured in the top space 23. Relaxation of the aggregate compaction layer 21 can be prevented.
- the through hole 221 does not pass through the aggregate outside the concrete is formed to a size that can pass through. Concrete poured in the top space 23 is preferably to minimize the slump value as possible while smoothly flowing out of the through-hole 221.
- the space forming tool 22 may be configured such that the total area of the through hole 221 is 40% or more of the total outer circumferential area of the space forming tool 22.
- the space forming sphere 22 When the space forming sphere 22 is recovered after the concrete is poured into the top space 23, the concrete in the space forming sphere 22 is easily discharged to the outside of the through hole 221, and the outside of the top space 23. It is preferable to configure the area of the through hole 221 to be 40% or more of the total space forming sphere 22 so as to prevent the aggregate from flowing into the top space (23).
- the area of the through hole 221 is more preferably secured to be 50% or more of the area of the entire space forming sphere 22.
- FIG. 5 is a perspective view illustrating a space forming tool to which an impermeable cover is coupled.
- an impermeable cover 25 is provided on an inner circumferential surface of the top space 23, and the site-pouring concrete 24 may be configured to be filled inside the impermeable cover 25.
- the space forming tool 22 provided with the impervious cover 25 may be used when the space forming tool 22 is removed before the site-casting concrete 24 is poured.
- the impervious cover 25 is preferably composed of a material having a certain degree of rigidity. Accordingly, after the installation and compaction of the aggregate compaction layer 21 is completed, the impermeable cover 25 may maintain the top space 23 constantly, even if the space-forming port 22 is recovered, It is possible to prevent the aggregate of the outer side from being pushed into the top space 23 before curing.
- the impervious cover 25 does not need to have very large rigidity because it is sufficient to prevent only loosening of the aggregate compaction layer 21.
- the water impermeable cover 25 may be formed in advance by attaching a fiber material or the like to the outside of the space forming hole 22 and then solidifying the sprayed shotcrete, and of course, the water impermeable cover 25 may be formed later. .
- the space-forming sphere 22 can be recovered early and used repeatedly, which is economical.
- Figure 6 is a cross-sectional view of the present invention site pouring top pile foundation provided with a tail portion.
- the present invention places the top of the pile pile into the ground 1, and a part of the upper part protrudes upward to place a tail part located in the site-pouring concrete 24 inside the top space 23 ( 26 may be further provided.
- the tail portion 26 can be constructed separately from the space forming tool 22. If the tail portion 26 is installed in advance in the top space 23, it is easy to secure the position of the top space 23. In addition, it is possible to reduce the deformation of the top pile when a load is applied to the structure.
- the tail portion 26 may be made of a material having excellent rigidity such as steel pipe or concrete material.
- Figure 7 is a cross-sectional view of the present invention site pouring top pile base equipped with a horizontal reinforcing connector and a shear connector.
- horizontal reinforcing connecting members 27 may be disposed in a lattice shape in the site-pouring concrete 24 on the aggregate compaction layer 21.
- the horizontal reinforcing connection member 27 may be configured as a rebar.
- the horizontal reinforcing connecting member 27 is installed in a grid shape so as to interconnect each of the space forming holes 22 installed on the ground 1 on which the stop work is completed to maintain the verticality of the space forming holes 22 and the planar position. To secure.
- the horizontal reinforcing connecting member 27 is installed to be separated from the space forming tool 22 so that the space forming tool 22 can be recovered to the ground after the formation of the top space 23 or after the in-site pouring concrete 24 is poured. do.
- the horizontal reinforcing connection member 27 is embedded in the field-pouring concrete 24 placed on the top space 23 and the aggregate compaction layer 21 to connect the entire top piles into one structure to reinforce structurally.
- the relative movement or deformation between the top piles may be further reduced.
- the shear connector 29 reinforces the horizontal shear force against the seismic load by integrating the main foundation of the discarded concrete 3 above.
- connection reinforcing material is a perspective view showing a top space provided with a connection reinforcing material.
- the site-pouring top pile base of the present invention may further include a connection reinforcing member 28 in which both ends are bent inclined downward so that ends bent in the neighboring top space 23 are respectively located. .
- connection reinforcing member 28 connects the neighboring top spaces 23 to each other to integrate the neighboring top spaces 23 to the inside.
- connection reinforcing member 28 may be positioned such that the bent portions are inserted into different top spaces 23 by bending down both ends such as reinforcing bars.
- FIG. 9 is a diagram showing a step-by-step process for the construction method of the present site in place of the pile top by the mesh-shaped space forming sphere.
- the construction method of the present site in place top pile pile is about a method for constructing a site in place top pile pile by the mesh-shaped space shown in FIG.
- the upper part is opened in the cone shape of the ordinary light narrowing on the ground (1), the stop work is completed, and a plurality of meshes having a plurality of through holes 221 formed on the outer circumferential surface thereof.
- the space forming sphere 22 is arranged (FIG. 9C).
- the space forming tool 22 is provided in plural to be spaced apart from each other.
- the space forming tool 22 uses a mesh-shaped space forming tool 22 in which an upper portion thereof is opened and a plurality of through holes 221 are formed on an outer circumferential surface thereof.
- the ground (1) stop operation is performed as shown in FIG. 9 (a), and the tail portion 26 can be placed in the ground (1) in advance as shown in FIG. 9 (b). have.
- the tail portion 26 is installed by adjusting the position so that a portion of the upper end is projected onto the ground (1) to be located in the site-pouring concrete 24 inside the top space 23 to be formed later.
- a horizontal reinforcing connecting member 27 may be installed in a lattice form on the upper portion of the space forming tool 22 so as to interconnect the plurality of space forming tools 22.
- the aggregate is installed in the space between the adjacent space-forming sphere 22 and then chopped.
- Compaction work of the aggregate is preferably carried out using a compactor or a vibrator.
- a compactor or a vibrator since a certain space is secured between the space-forming spheres 22 when the aggregate is compacted by the vibrator, the laying and compacting operation of the aggregate is advantageous.
- the operation of the vibrator is easy, it is advantageous to secure the compaction of the aggregate compaction layer 21 as compared with the conventional top pile.
- FIG. 9E the space forming tool 22 is recovered while pouring the site-pouring concrete 24 into the top space 23.
- a plurality of top piles directly connected to the aggregate compaction layer 21 by the site-pouring concrete 24 may be directly formed.
- FIG. 10 is a view showing a step-by-step process for the construction method of the field-pouring top pile foundation according to an embodiment of the present invention when equipped with an impervious cover.
- the construction method of the present invention on-site pouring top pile shown in Figure 10 (a) to (g) relates to a method for constructing the site-pouring top pile base by the space forming sphere shown in FIG.
- a plurality of space-forming spheres 22 having a cone shape of a light beam is provided with an impervious cover 25 on the outer surface of the ground (1) where the stop work is completed. It arrange
- the space forming tool 22 is provided in plural to be spaced apart from each other.
- the space forming port 22 is provided with an impervious cover 25 on the outer surface.
- the ground (1) stop operation is performed as shown in FIG. 10 (a), and the tail portion 26 can be placed in the ground (1) in advance as shown in FIG. 10 (b). have.
- the impervious cover 25 maintains the top space 23 after the aggregate compaction layer 21 is formed so that the aggregate outside of the top space 23 does not enter.
- the connecting reinforcing member 28 having both ends bent in the neighboring top space 23 may be positioned to integrate the neighboring top space 23 to the inside.
- FIG. 10 (f) shows a state in which the site-pouring concrete 24 is poured into the top space 23, and in FIG. 10 g, the top space 23 and the aggregate compaction layer 21 are shown. The cast of concrete is shown.
- FIG. 11 is a view showing a step-by-step process for the construction method of the present invention site pouring top pile foundation according to another embodiment when equipped with an impervious cover.
- impervious cover 10 differs from FIG. 10 in that it is constructed after the aggregate compaction layer 21 is formed.
- the plurality of space forming holes 22 are installed so as to be spaced apart from each other, the impervious cover 25 is not provided on the outer surface.
- the ground (1) stop operation is performed as shown in FIG. 11 (a), and the tail portion 26 can be placed in the ground (1) in advance as shown in FIG. 11 (b). have.
- the impervious cover 25 is formed by spraying and curing the grout material on the aggregate compaction layer 21 on the outer circumferential surface of the space forming port 22.
- the impervious cover 25 maintains the top space 23 to prevent the aggregate outside the inside into the top space 23.
- connection reinforcing member 28 having both ends bent is positioned in the neighboring top space 23 so as to integrate the neighboring top space 23 to the inside.
- FIG. 11 (g) shows a state in which the site-pouring concrete 24 is poured into the top space 23, and in FIG. 11 (h), the top space 23 and the aggregate compaction layer 21 are shown. The cast of concrete is shown.
- the discarded concrete 3 that is poured on the lower part of the structure foundation is formed inside the aggregate space 23 and the aggregate compaction layer. It can be configured to continuously cast with the site-pouring concrete 24 to be poured on the upper portion of (21).
- the top pile foundation, the discarded concrete 3, and the present foundation are integrated to increase resistance to horizontal force, thereby efficiently distributing and transferring the load of the upper structure.
- FIG. 12 is a diagram showing a step-by-step process for the construction method of the present invention site pouring top pile foundation according to another embodiment.
- the site-pouring concrete 24 is poured into the top space 23 of the aggregate compaction layer 21.
- the site-in-place concrete 24 may be formed by first filling the aggregate 24 'in the top space 23 as shown in FIG. 12 (f) and then injecting cement mortar or adhesive grout having a suitable slump. .
- each step shown in (a) to (g) of FIG. 12 is the same as in (a) to (f) of FIG.
- FIG. 13 is a cross-sectional view of the site-pouring spinning top foundation for supporting the superstructure.
- FIG. 13 shows an upper structure 5 supported by the present invention site pouring top pile foundation.
- the top pile is provided with an in-site pouring concrete 24 and an aggregate compaction layer 21 inside and outside the top space 23, and the neighboring top piles are connected so that the top is integrated with each other.
- the horizontal reinforcement connecting member 27 as well as the discarded concrete 3 are poured on the plurality of top piles, and thus, a plurality of on-site casting top piles can be configured as a single continuous structure, so that the load of the upper structure 5 is supported. It can be delivered efficiently to (1).
Abstract
Description
Claims (10)
- 지반(1) 상부에 포설되는 것으로 상광하협의 콘 형상인 공간형성구(22)에 의해 상기 공간형성구(22)와 동일한 형상의 팽이공간(23) 복수 개가 상부에 형성된 골재다짐층(21);상기 팽이공간(23)의 내주면에 구비되는 불투수성 커버(25): 및상기 불투수성 커버(25)의 내측에 타설되는 현장 타설 콘크리트(24); 로 구성되어,상기 골재다짐층(21)의 팽이공간(23) 내부에 공간형성구(22) 없이 현장 타설 콘크리트(24)가 직접 형성되는 것을 특징으로 하는 현장 타설 팽이말뚝 기초.
- 제1항에서,상기 팽이공간(23)의 상부 및 골재다짐층(21)의 상부에는 콘크리트가 일정 높이까지 팽이공간(23) 내부의 콘크리트와 일체로 타설되는 것을 특징으로 하는 현장 타설 팽이말뚝 기초.
- 제2항에서,상기 팽이공간(23)은 이웃하는 팽이공간(23)과 서로 이격되게 형성되되, 상기 팽이공간(23) 상면의 직경은 팽이공간(23) 간 중심 간격의 50~90%인 것을 특징으로 하는 현장 타설 팽이말뚝 기초.
- 제1항에서,지반(1)에 근입되는 것으로 상단 일부가 상부로 돌출되어 팽이공간(23) 내부의 현장 타설 콘크리트(24) 내에 위치하는 테일부(26)가 더 구비되는 것을 특징으로 하는 현장 타설 팽이말뚝 기초.
- 제1항에서,상기 골재다짐층(21) 상부의 현장 타설 콘크리트(24) 내에는 수평보강 연결재(27)가 격자형으로 배치되는 것을 특징으로 하는 현장 타설 팽이말뚝 기초.
- 제1항에서,양단이 하향으로 경사지게 절곡되어 이웃하는 팽이공간(23) 내부에 절곡된 단부가 각각 위치하는 연결 보강재(28)가 더 구비되는 것을 특징으로 하는 현장 타설 팽이말뚝 기초.
- 현장 타설 팽이말뚝 기초를 시공하기 위한 것으로,(a) 정지 작업이 완료된 지반(1) 상부에 상광하협의 콘 형상으로 상부가 개방되고, 외주면에 복수의 관통공(221)이 형성된 망형인 복수의 공간형성구(22)를 배치하는 단계;(b) 지반(1) 상부의 상기 공간형성구(22) 사이 공간에 골재를 포설하고 다짐하여 골재다짐층(21)을 형성하는 단계; 및(c) 상기 공간형성구(22)의 내부에 콘크리트를 타설하고, 공간형성구(22)를 서서히 상부로 회수하여 공간형성구(22)에 의해 골재다짐층(21)에 형성된 팽이공간(23) 내에 현장 타설 콘크리트(24)가 채워지도록 하고, 상기 골재다짐층(21)의 상부에 현장 타설 콘크리트(24)를 일정 높이로 타설하는 단계; 로 구성되는 것을 특징으로 하는 현장 타설 팽이말뚝 기초의 시공방법.
- 현장 타설 팽이말뚝 기초를 시공하기 위한 것으로,(a) 정지 작업이 완료된 지반(1) 상부에 외면에 불투수성 커버(25)가 구비된 상광하협의 콘 형상인 공간형성구(22)를 복수 개 배치하는 단계;(b) 지반(1) 상부의 상기 공간형성구(22) 사이 공간에 골재를 포설하고 다짐하여 골재다짐층(21)을 형성한 후 상기 공간형성구(22)만을 회수하고, 불투수성 커버(25)는 존치하여 내주면에 불투수성 커버(25)가 구비되는 팽이공간(23)을 형성하는 단계; 및(c) 상기 팽이공간(23)의 내부 및 골재다짐층(21)의 상부 일정 높이까지 현장 타설 콘크리트(24)를 타설하는 단계; 를 포함하여 구성되는 것을 특징으로 하는 현장 타설 팽이말뚝 기초의 시공방법.
- 현장 타설 팽이말뚝 기초를 시공하기 위한 것으로,(a) 정지 작업이 완료된 지반(1) 상부에 상광하협의 콘 형상인 공간형성구(22)를 복수 개 배치하는 단계;(b) 지반(1) 상부의 상기 공간형성구(22) 사이 공간에 골재를 포설하고 다짐하여 골재다짐층(21)을 형성한 후 공간형성구(22) 외주면의 골재다짐층(21)에 그라우트재를 분사하여 양생시킴으로써 불투수성 커버(25)를 형성하고, 공간형성구(22)만을 회수하여 팽이공간(23)을 형성하는 단계; 및(c) 상기 팽이공간(23)의 내부 및 골재다짐층(21)의 상부 일정 높이까지 현장 타설 콘크리트(24)를 타설하는 단계; 를 포함하여 구성되는 것을 특징으로 하는 현장 타설 팽이말뚝 기초의 시공방법.
- 제7항 내지 제9항 중 어느 한 항에서,상기 (c) 단계에서, 구조물 기초 하부에 타설되는 버림 콘크리트(3)는 상기 팽이공간(23)의 내부 및 골재다짐층(21)의 상부에 타설되는 현장 타설 콘크리트(24)와 연속 타설되는 것을 특징으로 하는 현장 타설 팽이말뚝 기초의 시공방법.
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KR100483437B1 (ko) * | 2004-09-24 | 2005-04-19 | 한국팽이파일 주식회사 | 콘크리트 팽이파일 |
KR100842802B1 (ko) * | 2007-03-12 | 2008-07-01 | 한국팽이파일 주식회사 | 현장 타설형 팽이파일의 콘크리트 타설판 및 이를 이용한시공방법 |
KR20080108879A (ko) * | 2007-06-11 | 2008-12-16 | 송기용 | 연약지반의 지지력 보강방법 및 이에 이용되는 보강구조물 |
KR20090016910A (ko) * | 2007-08-13 | 2009-02-18 | 문형록 | 복수일체형 팽이말뚝을 이용한 지반보강방법 |
KR20130136323A (ko) * | 2012-06-04 | 2013-12-12 | 김인호 | 팽이말뚝 스탬프를 이용한 팽이말뚝 시공방법 |
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JPH10298971A (ja) * | 1997-04-24 | 1998-11-10 | Masayoshi Kondo | 地盤の側方流動防止工法 |
JP3669401B2 (ja) * | 1997-07-04 | 2005-07-06 | 積水ハウス株式会社 | 地盤強化方法 |
JP2002054130A (ja) * | 2000-08-07 | 2002-02-20 | Koiwa Kanaami Co Ltd | 軟弱地盤補強用篭枠及び軟弱地盤補強方法 |
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KR20090016910A (ko) * | 2007-08-13 | 2009-02-18 | 문형록 | 복수일체형 팽이말뚝을 이용한 지반보강방법 |
KR20130136323A (ko) * | 2012-06-04 | 2013-12-12 | 김인호 | 팽이말뚝 스탬프를 이용한 팽이말뚝 시공방법 |
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