WO2016189887A1 - アンカー杭、及びその設置方法 - Google Patents
アンカー杭、及びその設置方法 Download PDFInfo
- Publication number
- WO2016189887A1 WO2016189887A1 PCT/JP2016/051178 JP2016051178W WO2016189887A1 WO 2016189887 A1 WO2016189887 A1 WO 2016189887A1 JP 2016051178 W JP2016051178 W JP 2016051178W WO 2016189887 A1 WO2016189887 A1 WO 2016189887A1
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- WO
- WIPO (PCT)
- Prior art keywords
- pipe
- anchor pile
- resistance member
- ground
- resistance
- Prior art date
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/658—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by means for fixing
- E01F9/673—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by means for fixing for holding sign posts or the like
- E01F9/685—Subsoil means, e.g. 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
- E02D5/54—Piles with prefabricated supports or anchoring parts; Anchoring piles
-
- 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
- E02D5/56—Screw piles
-
- 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
- E02D5/74—Means for anchoring structural elements or bulkheads
- E02D5/80—Ground anchors
- E02D5/805—Ground anchors with deformable anchoring members
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/22—Sockets or holders for poles or posts
- E04H12/2207—Sockets or holders for poles or posts not used
- E04H12/2215—Sockets or holders for poles or posts not used driven into the ground
- E04H12/223—Sockets or holders for poles or posts not used driven into the ground with movable anchoring elements; with separately driven anchor rods
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/30—Miscellaneous comprising anchoring details
-
- 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
- E02D5/74—Means for anchoring structural elements or bulkheads
- E02D5/80—Ground anchors
Definitions
- the present invention relates to an anchor pile and its installation method. Specifically, the present invention relates to an anchor pile that can be stably installed and can obtain a stable resistance force in the ground, and an installation method thereof.
- anchor piles are buried to increase underground resistance and support Strengthening is being done.
- Patent Document 1 discloses an anchor pile in which a predetermined resistance member is formed around a pipe and the underground resistance is increased.
- a spiral member 103 having a spiral shape is formed on the side surface of the pipe 102.
- the cutting teeth 104 at the tip enter the ground while collapsing the soil.
- the spiral member 103 serves as a guide when the pipe 102 is buried in the ground by rotating and pressing.
- the spiral member 103 becomes a ground resistance, and the anchor pile 101 can be held in a stable state (see Patent Document 1).
- the present invention has been developed in view of the above points, and an object thereof is to provide an anchor pile that is easy to install and obtains a stable resistance force in the ground, and an installation method thereof.
- the anchor pile of the present invention has a hollow pipe having at least two predetermined insertion holes formed on the side surface and at least two protrusions, and can be pushed and pulled.
- a resistance member that is accommodated so as to be movable in the pipe by applying a predetermined external force by an auxiliary device, and a guide portion that guides the protrusion of the resistance member and protrudes out of the pipe from the insertion hole portion.
- the guide portion is a region in which an outer periphery of the pipe is recessed inward in a state where a cut is formed on a side surface of the pipe, and the tip portion of the guide portion and the cut are formed by the cut.
- the edge part located in the outer periphery of a pipe is located on the substantially same straight line by the direction view substantially perpendicular to the axial direction of the said pipe.
- the resistance member can be accommodated in the pipe. Therefore, when the anchor pile is driven into the ground, the resistance member can be accommodated in the pipe to reduce the entry resistance force during the driving operation, which makes the driving operation easy. .
- the resistance member can be inserted into the pipe and stored. Therefore, when anchor piles are driven into the ground, there is no resistance member in the pipe, and it is possible to reduce the resistance to entry during the placement work. Work becomes easy.
- the resistance member can be housed in the pipe and the resistance to retraction during the pulling out operation can be reduced, so that the pulling out operation becomes easy.
- the resistance member housed in the pipe can be protruded from the insertion hole portion into the ground after the anchor pile is installed in the ground. Therefore, the stability of the anchor pile in the ground is increased.
- the resistance member can be protruded into the ground from at least two different directions, so that the stability of the anchor pile in the ground is further enhanced.
- the resistance member accommodated in the pipe can be pulled up or down using the auxiliary device. Therefore, by a simple push-pull operation, the protruding portion can protrude from the pipe toward the ground, or the resistance member protruding into the ground can be accommodated in the pipe.
- the structure of the anchor pile is simple. Increased stability. Furthermore, by having at least two protrusions, a plurality of protrusions can protrude into the ground in different directions, so that the stability of the anchor pile in the ground is further enhanced.
- the protrusion can be reliably protruded into the ground.
- the guide portion can increase the rigidity around the insertion hole, and can prevent deformation and deterioration of the insertion hole.
- the guide portion is a region where the outer periphery of the pipe is recessed inward with the notch formed on the side surface of the pipe, so that the notch formed on the side surface of the pipe can be easily formed by pressing. be able to. Furthermore, since the guide part is integrally formed with the pipe, there is no possibility that the guide part will come off even if the sliding operation by the protrusions is repeated.
- the tip end portion of the guide portion and the edge end portion located on the outer periphery of the pipe formed by cutting are located on substantially the same straight line when viewed in a direction substantially perpendicular to the axial direction of the pipe, so that the resistance of the protrusion in the ground is fully demonstrated. can do.
- the contact angle of the protrusion with respect to the guide portion is an acute angle
- the protrusion that is in contact with the guide portion can be reliably guided to the insertion hole portion. Therefore, it is possible to project the protruding portion into the ground more reliably.
- the resistance member can be firmly held in the pipe. Therefore, when the anchor pile is driven into the ground with the resistance member stored in the pipe, or when the anchor pile is pulled out from the ground, the resistance member moves inside the pipe or the resistance member comes out of the pipe. There is no fear of it.
- the resistance member can be held by the stopper portion. Therefore, even after the anchor pile is driven into the ground, the resistance member can be inserted into the pipe from the insertion end side of the pipe. Therefore, since the resistance member can be accommodated in the pipe before and after the anchor pile is placed in the ground, the degree of freedom of installation of the resistance member is increased.
- the resistance member can be firmly held by the taper portion of the pipe, when placing the anchor pile in the ground with the resistance member stored in the pipe, and when pulling out from the ground, the pipe There is no possibility that the resistance member moves inside or the resistance member goes out of the pipe.
- the anchor pile according to the present invention and its installation method can obtain stable resistance in the ground while being easy to install.
- FIG. 4A and 4B are views showing a state in which a resistance member housed in a pipe is projected, where FIG. 4A is an overall cross-sectional view, and FIG. 4B is an enlarged view of a main part of FIG.
- FIGS. 5A and 5B are views showing a state in which the resistance member is in contact with the guide portion in the pipe, FIG. 5A is an overall cross-sectional view, and FIG. 5B is an enlarged view of a main part of FIG. .
- FIG. 5A and 5B are views showing a state in which the resistance member is in contact with the guide portion in the pipe, FIG. 5A is an overall cross-sectional view, and FIG. 5B is an enlarged view of a main part of FIG. .
- FIG. 6A is an enlarged cross-sectional view of a main part showing a state in which the resistance member protrudes into the ground
- FIG. 6A is a view showing a state in which the resistance member and the auxiliary device are coupled
- FIG. It is a figure which shows the state from which the auxiliary instrument was removed from. It is a figure which shows a series of construction procedures until an anchor pile is installed in the ground and pulled out. It is a figure which shows the anchor pile which concerns on 2nd embodiment of this invention, Comprising: Fig.8 (a) is the figure which applied the spiral member to the straight pipe, FIG.8 (b) is a spiral member to a taper-shaped pipe. It is the figure which applied. It is a figure which concerns on 3rd embodiment of this invention. It is a figure which shows the installation method until it installs the anchor pile which concerns on 3rd embodiment of this invention in the ground. It is a figure which shows a prior art.
- FIG. 1 the whole structure of the anchor pile 1 which concerns on 1st embodiment to which this invention is applied is demonstrated using FIG.
- a resistance member 6 that functions as an underground resistance is accommodated in a hollow pipe 2.
- An underground excavation blade 18 is attached to the tip of the pipe 2.
- an insertion hole portion 3 through which the projection portion 9 of the resistance member 6 can be inserted and a guide portion 5 are formed.
- a stopper portion 17 for holding the resistance member 6 in the pipe 2 is formed on the side surface of the pipe 2.
- the insertion hole part 3 and the guide part 5 are formed in at least two positions at positions that are spaced approximately 180 degrees around the central axis of the pipe 2, for example.
- the insertion hole portion 3 is formed by providing a notch on the side surface of the pipe 2 and recessing a part thereof inside the pipe 2 by a known processing method such as press processing. Further, the concave portion 4 which is a region where the side surface of the pipe is recessed functions as the guide portion 5.
- the front end portion of the guide portion 5 and the edge portion located on the outer periphery of the pipe 2 formed by cutting are configured to be located on the same straight line in a side view perpendicular to the axial direction of the pipe 2. Therefore, the protruding portion 9 of the resistance member 6 protruding from the pipe 2 toward the ground is firmly held by the tip portion of the guide portion 5 and the edge portion located on the outer periphery of the pipe 2.
- the underground excavation blade 18 can be removed, has a tapered shape that is tapered on one end side of the underground excavation, and the distal end portion is advanced prior to the underground entry direction. ing.
- the pipe 2 does not necessarily have to be a cylinder as shown in FIG.
- a prism such as a quadrangular prism or a hexagonal prism may be used.
- the insertion hole 3 and the guide 5 are not necessarily limited to two places on the side surface of the pipe 2, and may be formed at three or more places.
- the insertion hole 3 and the guide 5 do not necessarily have to be formed at positions that are approximately 180 degrees apart from the central axis.
- it can be formed so as to have an interval of approximately 100 degrees or an interval of approximately 120 degrees.
- the insertion hole 3 does not necessarily need to be formed by cutting the side surface of the pipe 2 and denting it inside the pipe 2.
- an opening having a predetermined shape such that a part of a later-described resistance member 6 can be inserted may be formed on the side surface of the pipe 2.
- a separate guide part 5 may be attached around the opening.
- the insertion hole portion 3 and the guide portion 5 are simultaneously formed by simple pressing.
- the guide part 5 is integrally formed with the pipe 2, the operation
- the protruding amount of the guide portion 5 to the inside of the pipe 2 can be easily changed by the amount of depression by the press.
- the resistance member 6 functions as an underground resistance force of the anchor pile 1 and is mainly composed of metal.
- the resistance member 6 two protrusions 9 that can be inserted into the insertion hole 3 are connected to a substantially circular base 7.
- a coupling portion 8 is formed that couples an auxiliary device 10 described later for pushing and pulling the resistance member 6 in the pipe.
- the number of the protrusions 9 is not necessarily two, and is provided according to the number of the insertion holes 3. For example, when four insertion holes 3 are formed on the side surface of the pipe 2, a maximum of four protrusions 9 are connected to the base 7.
- the length of the protrusion 9 is not necessarily determined uniformly, and is appropriately selected according to the condition of the ground and the environment where the anchor pile 1 is installed. For example, when the anchor pile 1 is installed on a relatively hard ground or when it is installed in an environment that is not affected by wind, the resistance member 6 having the projection 9 having a short length is selected. On the other hand, when the anchor pile 1 is installed on a relatively soft ground or when it is installed in an environment that is strongly affected by wind, the resistance member 6 having the long protruding portion 9 is selected.
- the base 7 is not necessarily provided.
- the ends of the protrusions 9 may be joined to form a substantially V-shaped cross section.
- the provision of the base 7 increases the rigidity of the resistance member 6 and enables the resistance member to be used repeatedly.
- the base 7 does not necessarily need to be substantially circular.
- it may be a square, a rectangle, or an ellipse, and is appropriately selected according to the cross-sectional shape of the pipe 2.
- the coupling portion 8 is not necessarily a circular hole as shown in FIG. 2, and is appropriately selected according to the auxiliary instrument 10 to be used. For example, it is good also as a hook shape for hooking the auxiliary instrument 10.
- FIG. 1 is a circular hole as shown in FIG. 2, and is appropriately selected according to the auxiliary instrument 10 to be used. For example, it is good also as a hook shape for hooking the auxiliary instrument 10.
- the resistance member 6 is supported by the stopper portion 17 and accommodated in the pipe 2 in a substantially U-shaped cross section below the insertion hole portion 3 and the projection portion 5 in the vertical direction.
- the stopper portion 17 is formed by denting the side surface of the pipe 2 inside the pipe 2 along the circumferential direction thereof.
- the protrusion 9 of the resistance member 6 is made of a material that can be elastically deformed in a direction away from each other, and is fixed to the inner peripheral surface of the pipe 2 so as to be slidable.
- the stopper portion 17 does not necessarily have to be formed by recessing the side surface of the pipe 2 in the pipe 2 along the circumferential direction.
- a part of the side surface of the pipe 2 may be recessed inside the pipe 2.
- the stopper portion may be formed separately and attached to the inner surface of the pipe 2.
- the recess 17 can be formed by a simple press process by denting the side surface of the pipe 2.
- work which attaches the stopper part 17 to the pipe 2 does not generate
- the protrusion amount of the stopper portion 17 to the inside of the pipe 2 can be easily changed by the amount of depression by the press.
- the protrusion 9 does not necessarily need to be made of a material that can be elastically deformed.
- the protrusions 9 only need to be expanded and deformed in directions away from each other.
- the protrusions 9 may be made thin so as to be easily deformed or made of a plastically deformable material.
- the protrusion 9 is made of a material that can be elastically deformed in a direction away from each other, the protrusion 9 presses the inner periphery of the pipe 2 in a state where the resistance member 6 is housed in the pipe, and resistance The member 6 can be securely held in the pipe 2. Therefore, there is no possibility that the resistance member 6 moves inside the pipe or goes out of the pipe 2 when the anchor pile 1 is driven into the ground or pulled out from the ground. Is easy.
- the entire protrusion 9 of the resistance member 6 is in contact with the inner peripheral surface of the pipe 2.
- only the distal end portion of the protruding portion 9 or only the connecting portion between the protruding portion 9 and the base portion 7 may be in contact with the inner peripheral surface of the pipe 2.
- the auxiliary instrument 10 includes a push-pull bar 12 and an electric drill 11 that applies a predetermined external force to the push-pull bar 12.
- an engagement end portion 13 is provided which is inserted into and engaged with the coupling portion 8 of the resistance member 6.
- a screw thread 14 is formed on the other end side of the push-pull bar 12, and a hexagon bolt 15 is attached to the screw thread 14.
- the auxiliary instrument 10 does not necessarily need to be pulled up using the electric drill 11.
- the worker may rotate the socket wrench 16 by itself.
- the auxiliary device 10 does not necessarily need to form the screw thread 14.
- the operator may operate the push-pull bar 12 in a state where the engagement end portion 13 and the coupling portion 8 are coupled, and pull it upward in the vertical direction.
- the engaging end 13 does not necessarily have to be of a type that is inserted into the coupling portion 8.
- the coupling portion 8 may be a hook shape that engages with the coupling portion 8.
- the angle of the guide portion 5 is set so that the contact angle ⁇ between the projection portion 9 and the guide portion 5 becomes an acute angle.
- the contact angle ⁇ between the protruding portion 9 and the guide portion 5 is not necessarily an acute angle.
- the obtuse angle may be set.
- the angle of the guide portion 5 so that the contact angle ⁇ is an acute angle, the protrusion portion 9 that is in contact with the guide portion 5 is surely guided to expand and deform outside the pipe 2. Can do.
- the tip of the guide portion 5 comes into contact with the base portion 7, and the protruding portion 9 starts from the connecting portion of the base portion 7 and the protruding portion 9 as a starting point.
- the protrusion 9 protrudes completely outside the pipe 2.
- the protrusions 9 are made of a material that can be elastically deformed in a direction away from each other, the protrusions 9 are protruded vigorously from the insertion hole 3 toward the outside of the pipe 2. Therefore, the protrusion 9 pierces into the ground vigorously, and the function as the underground resistance is further enhanced.
- FIG. 7 (a) is a diagram showing a storing process for storing the resistance member in the pipe
- FIG. 7 (b) is a diagram showing a driving process for driving the anchor pile into the ground
- FIG. 7 (d) is a diagram of installation of an anchor pile in the ground
- FIG. 7 (e) is an anchor pile.
- FIG.7 (f) is a figure which shows the extraction process which extracts an anchor pile from underground.
- the resistance member 6 is inserted from one end side of the hollow pipe 2 and an underground excavation blade 18 is attached to one end side of the pipe 2.
- the anchor pile 1 is driven into the underground G in a state where the resistance member 6 is housed in the pipe 2.
- the resistance member 6 is accommodated in the pipe 2. Therefore, since there is no resistance when the anchor pile 1 is driven into the underground G, the placing work is facilitated.
- the auxiliary device 10 for pulling up the resistance member 6 is coupled to the resistance member 6 as shown in FIG. .
- the auxiliary tool 10 is operated to raise the resistance member 6 upward in the vertical direction in the pipe 2 so that the protrusion 9 protrudes from the pipe 2 toward the underground G.
- the auxiliary tool 10 is removed from the resistance member 6, and installation to the underground G of the anchor pile 1 is completed.
- the auxiliary device 10 is coupled to the resistance member 6 as shown in FIG.
- the auxiliary tool 10 is operated to push the resistance member 6 downward in the vertical direction in the pipe 2, and the resistance member 6 protruding into the ground G is accommodated in the pipe 2.
- the anchor pile 1 will be extracted from the underground G, and the extraction operation
- the resistance member 6 is accommodated in the pipe 2. Therefore, the withdrawal resistance when the anchor pile 1 is pulled out from the ground G can be reduced, and the pulling out operation becomes easy.
- anchor piles 1A and 1B according to a second embodiment to which the present invention is applied will be described with reference to FIG.
- description is abbreviate
- the anchor pile 1A has a spiral member 19 formed around the pipe 2a.
- the spiral member 19 has a shorter protruding width than the spiral member 19 of the prior art. Therefore, since the approach resistance force at the time of the placement work of the anchor pile 1A can be reduced, the placement work becomes easy.
- the spiral member 19 and the protrusion 9 become the resistance force in the ground, so that the stability in the ground compared to the first embodiment. Can be further enhanced.
- a spiral member 19 having a spiral shape is formed around the pipe 2b in the same manner as the anchor pile 1A.
- the outer diameter of the pipe 2b of the anchor pile 1B has a tapered shape that is narrowed downward.
- the entry resistance force when the anchor pile 1B is driven into the ground can be reduced, so that the driving work is easier than the anchor pile 1A. Become.
- the spiral member 19 and the protruding portion 9 become the resistance force in the ground like the anchor pile 1A, and therefore the ground compared to the first embodiment.
- the stability inside can be further increased.
- the withdrawal resistance force when the anchor pile 1B is pulled out from the ground can be reduced, the pulling out operation becomes easier as compared with the anchor pile 1A.
- anchor piles 1C and 1D according to a third embodiment to which the present invention is applied will be described with reference to FIG.
- description is abbreviate
- the anchor pile 1 ⁇ / b> C and the anchor pile 1 ⁇ / b> D are configured so that the upper resistance member 6 a and the lower resistance member 6 b can be arranged above and below the pipe 2 in the vertical direction.
- the anchor pile 1C has an upper insertion hole portion 3a into which the upper protrusion portion 9a of the upper resistance member 6a disposed on the upper side in the vertical direction of the pipe 2 can be inserted.
- the pipe 2 is formed at two locations with an interval of about 180 degrees around the central axis.
- a lower insertion hole 3b through which the lower protrusion 9b of the lower resistance member 6b can be inserted is provided on the lower side in the vertical direction of the pipe 2 at a predetermined interval from the upper insertion hole 3a. It is formed in two places at intervals of about 180 degrees around the central axis.
- the upper side insertion hole part 3a and the lower side insertion hole part 3b are formed so that the upper side resistance member 6a and the lower side resistance member 6b may be arrange
- the upper resistance member 6a and the lower resistance member 6b are configured separately or integrally.
- the upper resistance member 6a and the lower resistance member 6b are connected to each other by a connecting member and stored in a predetermined place in the pipe 2, and the auxiliary device 10 is used to integrate the unit.
- the constructed upper resistance member 6 a and lower resistance member 6 b can be moved up and down in the pipe 2.
- the anchor pile 1D is inserted into the upper protruding portion 9a of the upper resistance member 6a disposed on the upper side in the vertical direction of the pipe 2 in the same manner as the anchor pile 1C.
- the holes 3a are formed at two locations at an interval of about 180 degrees with the central axis of the pipe 2 as the center.
- a lower insertion hole 3b through which the lower protrusion 9b of the lower resistance member 6b can be inserted is provided on the lower side in the vertical direction of the pipe 2 at a predetermined interval from the upper insertion hole 3a. It is formed in two places at intervals of about 180 degrees around the central axis.
- the upper protrusion 9a and the lower protrusion 9b are formed with an upper insertion hole 3a and a lower insertion hole 3b so as to protrude from the pipe 2 in substantially the same direction. Therefore, the upper protrusion 9a and the lower protrusion 9b can be protruded in the same direction from the side surface of the pipe 2 to the ground. Therefore, the stability in the ground can be further enhanced compared to the first embodiment.
- the upper insertion hole portion 3a and the lower insertion hole portion 3b are not necessarily formed at intervals of about 180 degrees with the central axis of the pipe 2 as the center.
- it can be formed so as to have an interval of approximately 100 degrees or an interval of approximately 120 degrees.
- FIG. 10 (a) is a diagram showing a storing process for storing the lower resistance member in the pipe
- FIG. 10 (b) is a diagram showing a driving process for driving the anchor pile into the ground
- FIG. 10C is a diagram showing a projecting process of projecting the lower resistance member into the ground using an auxiliary device
- FIG. 10D is a diagram showing a housing process of housing the upper resistance member in the pipe
- FIG. 10F is a diagram in which the installation of the anchor pile into the ground is completed.
- the lower resistance member 6 b is inserted from one end side of the hollow pipe 2 and accommodated in the pipe 2.
- the anchor pile 1D is driven into the underground G in a state where the lower resistance member 6b is housed in the pipe 2.
- the auxiliary resistor 10 for lifting the lower resistance member 6b is used as the lower resistance member. It binds to 6b.
- the push assist device 10 is operated to pull the lower resistance member 6 a upward in the vertical direction in the pipe 2, and the lower protrusion 9 b is moved from the pipe 2 to the ground G. Protrusively toward.
- the upper resistance member 6 a is inserted from the other end side of the pipe 2 and accommodated in the pipe 2, and the auxiliary instrument 10 is coupled to the upper resistance member 6 a.
- the auxiliary instrument 10 is operated to push the upper resistance member 6a downward in the vertical direction in the pipe 2, and the upper protrusion 9a is directed from the pipe 2 to the ground G. Make it protrude.
- the upper side resistance member 6a and the lower side resistance member 6b can be accommodated in the pipe 2 by the same method, and can be protruded toward the underground G.
- the anchor pile to which the present invention is applied and the installation method thereof can obtain a stable resistance force in the ground while being easy to install.
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Abstract
Description
例えば、特許文献1には、パイプの周囲に所定の抵抗部材を形成して地中抵抗力高めたアンカー杭が開示されている。
更に、パイプ2の側面には、抵抗部材6をパイプ2内で保持するためのストッパー部17が形成されている。
例えば、結合部8をフック形状とした場合には、それに係合する、同じくフック形状のものとすればよい。
は、下方へ窄まるテーパー形状となっている。ここで、パイプ2をテーパー形状とすることで、アンカー杭1Bを地中に打設する際の進入抵抗力を軽減することができるため、アンカー杭1Aに比べて打設作業が容易なものとなる。
2、102 パイプ
3 挿通抗部
3a 上側挿通孔部
3b 下側挿通孔部
4 凹部
5 ガイド部
5a 上側ガイド部
5b 下側ガイド部
6 抵抗部材
6a 上側抵抗部材
6b 下側抵抗部材
7 基部
8 結合部
9 突起部
9a 上側突起部
9b 下側突起部
10 補助器具
11 電動ドリル
12 押し引き棒
13 係合端部
14 ネジ山
15 六角ボルト
16 ソケットレンチ
17 ストッパー部
18 地中掘削刃
19、103 スパイラル部材
104 切り歯
G 地中
Claims (5)
- 少なくとも二つの所定の挿通孔部が側面に形成された中空状のパイプと、
少なくとも二つの突起部を有し、押し引き操作可能な補助器具により所定の外力を加えることで前記パイプ内を移動可能に収納された抵抗部材と、
該抵抗部材の前記突起部をガイドして前記挿通孔部から前記パイプ外に突出させるガイド部を備えるアンカー杭において、
前記ガイド部は、前記パイプの側面に切り込みを形成した状態で、前記パイプの外周が内方に凹んだ領域であり、
前記ガイド部の先端部分と、
前記切り込みにより形成された前記パイプの外周に位置する縁端部分とが、
前記パイプの軸方向と略垂直な方向視で、略同一直線上に位置する
アンカー杭。 - 前記ガイド部に対する前記突起部の当接角度が鋭角である
請求項1に記載のアンカー杭。 - 前記パイプ内には、前記抵抗部材の収納位置に、該抵抗部材を保持するストッパー部を有する
請求項1に記載のアンカー杭。 - 前記パイプの外径は地中に打設する一端側に窄まるテーパー部を有する
請求項1に記載のアンカー杭。 - 前記パイプを地中に打設する打設工程と、
前記補助器具で前記抵抗部材に一方向の所定の外力を加え、前記突起部を前記ガイド部でガイドして前記挿通孔部から前記パイプ外に突出する突出工程とを備える
請求項1に記載のアンカー杭の設置方法。
Priority Applications (6)
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EP16799597.6A EP3305990A4 (en) | 2015-05-26 | 2016-01-15 | Anchor pile and installation method for same |
KR1020177037082A KR20180012791A (ko) | 2015-05-26 | 2016-01-15 | 앵커 말뚝, 및 그 설치 방법 |
CN201680002009.3A CN106661854B (zh) | 2015-05-26 | 2016-01-15 | 锚桩及其设置方法 |
US15/571,435 US10472781B2 (en) | 2015-05-26 | 2016-01-15 | Anchor pile and installation method for same |
AU2016268558A AU2016268558B2 (en) | 2015-05-26 | 2016-01-15 | Anchor pile and installation method for same |
BR112017024019-0A BR112017024019A2 (ja) | 2015-05-26 | 2016-01-15 | An anchor pile and an installation method for the same |
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JP2015106545A JP5847977B1 (ja) | 2015-05-26 | 2015-05-26 | アンカー杭、及びその設置方法 |
JP2015-106545 | 2015-05-26 |
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US (1) | US10472781B2 (ja) |
EP (1) | EP3305990A4 (ja) |
JP (1) | JP5847977B1 (ja) |
KR (1) | KR20180012791A (ja) |
CN (1) | CN106661854B (ja) |
AU (1) | AU2016268558B2 (ja) |
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Cited By (1)
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JP2018204418A (ja) * | 2017-05-30 | 2018-12-27 | 株式会社日本コムダック | アンカー杭 |
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KR101986458B1 (ko) * | 2018-09-21 | 2019-06-05 | 유동식 | 지주 고정의 용이성과 고정력 강화를 겸비한 앵커 기초기구 |
FR3100042A1 (fr) * | 2019-08-19 | 2021-02-26 | Christophe Ulrich | Dispositif de fixation d’objets à ancrage dans les sols meubles. |
US11708678B2 (en) | 2019-12-18 | 2023-07-25 | Cyntech Anchors Ltd | Systems and methods for supporting a structure upon compressible soil |
CN112144438A (zh) * | 2020-09-30 | 2020-12-29 | 腾娟 | 一种水利施工安全设施 |
CN113668523B (zh) * | 2021-08-30 | 2023-02-03 | 中国建筑第八工程局有限公司 | 适用于岩土工程的爪锚型锚杆及其施工方法 |
KR102613777B1 (ko) * | 2021-10-29 | 2023-12-14 | 향상기업 주식회사 | 샤프트 상에 다수의 홈을 갖는 플랜지를 갖는 해저용 앵커 |
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- 2016-01-15 CN CN201680002009.3A patent/CN106661854B/zh active Active
- 2016-01-15 AU AU2016268558A patent/AU2016268558B2/en active Active
- 2016-01-15 US US15/571,435 patent/US10472781B2/en active Active
- 2016-01-15 KR KR1020177037082A patent/KR20180012791A/ko not_active Application Discontinuation
- 2016-01-15 BR BR112017024019-0A patent/BR112017024019A2/ja not_active Application Discontinuation
- 2016-01-15 WO PCT/JP2016/051178 patent/WO2016189887A1/ja active Application Filing
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WO2019103029A1 (ja) * | 2017-05-30 | 2019-05-31 | 株式会社日本コムダック | アンカー杭 |
Also Published As
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JP2016217093A (ja) | 2016-12-22 |
CN106661854A (zh) | 2017-05-10 |
KR20180012791A (ko) | 2018-02-06 |
EP3305990A4 (en) | 2019-01-02 |
JP5847977B1 (ja) | 2016-01-27 |
EP3305990A1 (en) | 2018-04-11 |
BR112017024019A2 (ja) | 2018-07-17 |
AU2016268558B2 (en) | 2019-10-10 |
US10472781B2 (en) | 2019-11-12 |
AU2016268558A1 (en) | 2017-11-23 |
US20190153684A1 (en) | 2019-05-23 |
CN106661854B (zh) | 2019-05-31 |
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