JP2007032004A - Placing stage of base isolation device and placing stage installing method of base isolation device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an installation method of a lower frame body and an upper frame body capable of accurately and easily placing a placing stage when arranging a base isolation device on a foundation of a wooden building. <P>SOLUTION: The placing stage of the base isolation device 50 and the installation method of the placing stage are provided when arranging the base isolation device 50 on the foundation of the wooden building. The accurate and strong placing stage is constituted so that leveling concrete 19 is placed on the whole surface of the foundation; the lower frame body 1 is accurately and easily installed on an upper surface of the leveling concrete 19; mat foundation concrete 18 is placed in the predetermined height of the upper surface of the leveling concrete 19; the base isolation device 50 is placed on an upper surface of the upper frame body 10 accurately set by fitting the upper frame body 10 in the tip of projecting an anchor bolt 3 of the lower frame body 1 on an upper surface of the mat foundation concrete 18; the base isolation device 50 is fitted in the tip of the anchor bolt 3 extending from the lower frame body 1; and is fastened and set by a double nut. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

The present invention relates to a mounting base for a seismic isolation device for a wooden building and a method for mounting the mounting base for a seismic isolation device.

Rolling seismic isolation devices (for example, see Patent Document 1) having an exchange means to be placed on the foundation of a wooden building have been developed. It is required to be robust enough to withstand the vibrations of the degree and earthquake.

Japanese Patent Laid-Open No. 2002-30829 (Page 6, Fig. 1) (Patent No. 3622902)

The present invention is a method of installing the above seismic isolation device, in the construction of solid foundation concrete of wooden construction, after leveling concrete is placed on the entire surface of the foundation, and with a lower frame on the upper surface of the leveling concrete, Anchor bolts are erected at the four corners of the frame and installed horizontally with the frame passing through the core. After placing solid foundation concrete on the upper surface of the leveled concrete, the lower frame is placed on the upper surface of the solid foundation concrete. Insert the bolt insertion hole of the upper frame body into the tip where the anchor bolt of the body protrudes, install it horizontally with the core through the upper frame body, and mount the seismic isolation device on the upper frame body Insert the bolt that protrudes from the lower frame into the bolt insertion hole of the lower plate of the seismic isolation device, fasten it with the fastening means of the double nut, and it takes time and effort without fail The purpose is to realize the construction well It is.

In order to achieve the above object, the present invention provides a seismic isolation device mounting base in which a seismic isolation device is arranged on the foundation of a wooden building. A refracted portion in which a flat frame is formed, a strip-shaped plate member is formed flat on a diagonal line of the flat frame to form a cross-shaped flat body, and a lower frame is configured, and the tip is refracted at the four corners of the lower frame The anchor bolts are erected vertically with the inner side of the diagonal line facing the inside of the diagonal line, and the lower frame body is bent between the bent bent end of each anchor bolt and the bent bent ends of the other anchor bolts opposite to the diagonal line. At the center in the longitudinal direction of the cross-shaped flat plate, another strip-shaped plate material is vertically formed to form a cross-shaped vertical plate, and is orthogonal to the flat frame at the center of each side of the flat frame of the lower frame A plurality of thumbscrews in the vicinity of anchor bolts erected at the four corners of the flat frame of the lower frame By providing, it is possible to determine the exact position and levelness of the lower part of the frame.

In addition, in the base of the seismic isolation device in which the seismic isolation device is disposed on the foundation of the wooden building, the upper frame body is formed by vertically forming a square vertical frame with the strip-shaped plate material formed vertically. Flat strips are formed on the diagonals at the four corners at the bottom of the frame to form a cross-shaped flat plate to form the upper frame, and the other plate is placed vertically at the center in the longitudinal direction of the cross-shaped flat plate. Forming a cross-shaped vertical plate body, and providing each tip of the cross-shaped vertical plate body away from the corner portion at the center of each corner portion of the cross-shaped flat plate body of the upper frame body A bolt insertion hole was provided, a plurality of thumb screws were provided in the vicinity of the bolt insertion hole, and a score line was provided perpendicular to the vertical frame at the center of the outer surface of the vertical frame of the upper frame. Thus, it was possible to determine the exact position and level of the upper frame.

Furthermore, in the installation method of the base for the seismic isolation device that installs the seismic isolation device on the foundation of the wooden building, it is the lower frame and the foundation concrete is built, and the leveled concrete is placed on the entire surface of the foundation Then, a plurality of street inks are drawn in the vertical direction on the upper surface of the leveled concrete, and a plurality of street inks are drawn in a transverse direction perpendicular to the street ink. In addition, the inner core of the frame is drawn in the vertical direction and the horizontal direction in parallel with the inner core, and the engraving provided on each side of the flat frame of the lower frame The lower frames are arranged in accordance with the core marks of both of the frames to determine the position, and a level is alternately placed on the upper ends of the cross-shaped vertical plates of the lower frames. Turn the plurality of thumbscrews provided at the four corners of the body to raise and lower the lower frame, and adjust the level of the front, back, left, and right of the lower frame to adjust the level. And sure to confirm the height, wherein the fixing packed mortar inside and outside of the frame of the lower.

In the mounting method of the seismic isolation device mounting base in which the seismic isolation device is arranged on the foundation of the wooden building, the upper frame body is constructed with the foundation concrete and has a predetermined height on the upper surface of the leveling concrete. Next, after placing solid foundation concrete and embedding the lower frame in the solid foundation concrete, a plurality of core inks are vertically drawn on the upper surface of the solid foundation concrete and perpendicular to the core ink. A plurality of the core inks are drawn in the horizontal direction, and the core ink of the frame body is arranged in the vertical direction and the horizontal in parallel with both the core inks inside the vertical lines and the horizontal lines of the core inks. The plurality of upper frame bodies are arranged on the upper surface of the solid foundation concrete, and the plurality of bolt insertion holes of the upper frame body are arranged at the tips from which the plurality of anchor bolts of the lower frame protrude. On the top of the cross-shaped vertical plate of the upper frame Put the level level alternately on the top and turn the plurality of thumbscrews to raise and lower the upper frame, adjust the height of the upper and lower left and right sides of the upper frame, check the level and confirm the height, The upper frame body position is set by aligning the engravings of the upper frame body with the cores of both the frame bodies, and a plurality of water pipes with trumpet ports are provided inside the upper frame body. Non-shrink mortar is packed inside and outside the frame body, and the inside of the upper frame body is coated with non-shrink mortar according to the height of the surrounding vertical frame and leveled horizontally, and then the upper frame A seismic isolation device is mounted on the upper part of the body, and the ends of the anchor bolts are inserted into a plurality of bolt insertion holes provided in the lower plate of the seismic isolation device and fastened with a fastening means of a double nut. It was set up.

A plurality of drain holes provided in a lower plate of the seismic isolation device; and a plurality of drain holes provided in a lower plate of the seismic isolation device; The seismic isolation device should be installed on the upper part of the upper frame with high accuracy by overlapping the water pipe with the trumpet of the frame and draining the water collected in the seismic isolation device to the outside when the floor is submerged. Can do.

As described above, according to the first aspect of the present invention, the anchor frame is erected at the four corners of the flat frame that is the lower frame and formed into a square, and the cross-shaped flat plate is formed on the diagonal of the flat frame. A horizontal plate on the upper surface of the cruciform flat plate, and alternately place a level on the upper end of the cruciform vertical plate to increase the level of front, back, left, and right of the lower frame. Since the multiple anchor bolts are set vertically at the same time, the tip of the anchor bolt protruding from the top surface of the solid foundation concrete can be set accurately, and the upper frame body is positioned at the tip of the anchor bolt. It is the structure of the lower frame which can insert a bolt insertion hole very easily.

According to the invention of claim 2, a cross-shaped flat plate body is provided on the diagonal of the vertical frame formed in a square, and the anchor bolts are provided at the four corners of the flat plate of the cross-shaped flat plate body. Insertion holes, a cross-shaped vertical plate on the top surface of the cross-shaped flat plate, and a level level alternately placed on the upper end of the cross-shaped vertical plate so It is a configuration of the upper frame that has a function of confirming the above and is extremely easy to mount and seize the seismic isolation device on the upper frame.

According to the invention described in claim 3, it is a method of mounting the lower frame, in which foundation concrete is constructed, leveled concrete is placed on the entire surface of the foundation, and the building is vertically and horizontally placed on the top surface of the leveled concrete. The core ink is drawn, and the core ink of the frame body is drawn vertically and horizontally inside the street core ink in parallel with the vertical and horizontal street core inks, and the center of the lower frame body (inscribed line) on the core ink of the frame body And turn the thumbscrews provided at the four corners of the cruciform flat plate of the lower frame to accurately adjust the level of the lower frame via a level at the top of the vertical cross frame. By attaching the mortar to the inside and outside of the lower frame and fixing it, it can be attached accurately.

According to the invention of claim 4, there is provided a method for mounting the upper frame body, in which the foundation concrete is constructed, and the solid foundation concrete is placed at a predetermined height on the upper surface of the leveled concrete, The core of the building is drawn vertically and horizontally on the upper surface of the building, the core of the frame is drawn vertically and horizontally in parallel with the core of the vertical and horizontal streets, and the center of the upper frame (marked line) on the core of the frame And turn the thumbscrews provided at the four corners of the cruciform plate of the upper frame to accurately adjust the level of the upper frame via a level at the top of the cruciform vertical plate. Apply non-shrink mortar on the inside and outside of the upper frame, and fix the inner side to the vertical frame around the upper frame. Install a seismic device and place the tip of multiple anchor bolts protruding on the top of the solid foundation concrete under the seismic isolation device. It can be attached accurately and easily by being inserted into the bolt insertion hole of the part plate and fastened with the double nut.

According to the invention described in claim 5, the plurality of wrappers provided in the upper frame body at the plurality of drain openings provided in the lower plate of the base isolation device for installing the base isolation device on the upper frame body A water pipe with a mouth is provided in piles, and the water accumulated in the seismic isolation device due to underfloor flooding can be discharged to the outside.

In order to install the seismic isolation device on the upper surface of the foundation concrete of the wooden building, the seismic isolation device was installed on the high-precision installation table in accordance with the placement of the solid foundation concrete, and the exact position and the exact horizontal The construction method that makes it easy to set the degree and can be applied firmly has been realized.

FIG. 1 is a perspective view of an embodiment of the present invention, in which 1 is a lower frame disposed on the upper surface of the leveled concrete, and 10 is an upper frame disposed on the upper surface of the solid foundation concrete. is there.

In FIG. 1, reference numeral 1 denotes a lower frame. A flat frame 2 is formed by flattening the strip-shaped plate material, and a cross-shaped flat plate body 4 is formed by flattening the strip-shaped plate material on the diagonal line of the square flat frame 2 to form the lower frame 1. The anchor bolt 3 is erected vertically with the refracted portions refracted at the four corners of the lower frame 1 facing the inside of the diagonal, and the other anchors facing the diagonal from the refracted tip of the lower portion of the anchor bolt 3 Between the lower end of the bolt 3 and the refracted tip, a cross-shaped vertical plate 5 is formed by placing another strip-shaped plate material in the longitudinal center of the cross-shaped flat plate 4 of the lower frame 1. Provide.

Then, a score line 6 (center of the lower frame 1) is provided at the center of each side of the flat frame 2 of the lower frame 1 so as to be orthogonal to the flat frame 2, and the four corners of the flat frame 2 of the lower frame 1 are provided. A plurality of thumb screws 2a are provided in the vicinity of the anchor bolt 3 standing upright, and the lower frame body is raised and lowered by turning the thumb screws 2a to determine the level of the lower frame body 1. The lower frame 1 is made of stainless steel or steel, and the steel frame is galvanized.

In FIG. 1, reference numeral 10 denotes an upper frame. A rectangular plate 11 is formed by vertically forming a strip-shaped plate material, and a cross-shaped flat plate 12 is formed by flattening the strip-shaped plate material at the diagonals of the four corners at the bottom of the square vertical frame 11 to form an upper portion. A frame 10 is formed, and another strip-shaped plate material is vertically formed at the center in the longitudinal direction of the cross-shaped flat plate 12 to form a cross-shaped vertical plate 13. Each tip is provided away from the corner portion, a bolt insertion hole 15 is provided at the center of each corner portion of the cross-shaped flat plate 12 of the upper frame 10, and each corner portion of the flat plate of the upper frame 10 is provided. Bolt insertion holes 15 are provided in the base, and a plurality of thumb screws 16 are provided in the vicinity of the bolt insertion holes 15. The thumbscrew 16 is turned to raise and lower the upper frame 10 to determine the level of the upper frame 10. The upper frame 10 is formed by providing engraving lines 14 (the center of the upper frame 10) perpendicular to the vertical frame 11 at the outer center of each surface of the vertical frame 11 of the upper frame 10. Is made of stainless steel or steel, and those made of steel are galvanized.

It is an installation method of the lower frame 1, in the construction of the foundation concrete 24, after placing the leveled concrete 19 on the entire surface of the foundation, the core ink 20 is drawn on the upper surface of the leveled concrete 19, Inside this street ink 20, the frame core ink 8 is drawn parallel to the street ink 20, and other street core inks 20 are also drawn in a direction perpendicular to the street ink 20, The core ink 8 is drawn along the inside of the core ink 20 in parallel with the core ink 20.

Then, the lower frame 1 is arranged by aligning the engraving lines 6 (center of the lower frame) provided on each side of the flat frame 2 of the lower frame 1 with the core 8 of both frames. The level is alternately placed on the upper end of the cross-shaped vertical plate 5 of the frame 1, and the thumbscrews 2a provided at the four corners of the lower frame 1 are turned to adjust the height of the front, back, left, and right of the lower frame 1. Adjustment is performed to confirm the level and to determine a predetermined height in the vertical direction, and mortar is packed and fixed inside and below the lower frame 1.

A method for installing the upper frame body 10 is to place a solid foundation concrete 18 at a predetermined height on the upper surface of the leveling concrete 19 and embed the lower frame body 1 into the solid foundation concrete, A plurality of street inks 20 are drawn on the upper surface of the basic concrete 18, and a frame core ink 21 is drawn parallel to the street ink 20 inside the street ink 20, and also in the direction perpendicular to the street ink 20. Another street core ink 20 is drawn, inside this street core ink 20 is drawn parallel to the core ink core 20, and the frame core ink 21 is drawn, and the upper frame body 10 is placed on the upper surface of the solid foundation concrete 18 To do.

Then, the bolt insertion holes 15 of the upper frame 10 are inserted into the top ends of the solid foundation concrete 18 where the plurality of anchor bolts 3 of the lower frame 1 protrude, and the cross shape of the upper frame 10 is formed. While placing the level on the top of the vertical plate 13 alternately and turning the plurality of thumbscrews 16 to raise and lower the upper frame 10 to adjust the front, back, left and right height of the upper frame 10, Check the vertical level of the body 10 and align the marking 14 (the center of the vertical plate) of the upper frame 10 with the core ink 21 of both frames on the top surface of the solid foundation concrete 18. Set the upper frame 10 by aligning the other markings (center of the vertical plate) of the upper frame 10 with the core 21 of the other frame in the direction perpendicular to the core 21, and set the upper frame 10 Water pipes with trumpet outlets 53 are arranged at a plurality of locations inside, and non-shrink mortar is packed inside and outside the upper frame 10, and the inside of the upper frame 10 is the frame around the vertical frame 11. To height In addition, the non-shrink mortar 17 is leveled horizontally, and a seismic isolation device 50 (rolling seismic isolation device having an exchange means) is later placed on the upper part of the upper frame 10, and the lower plate 51 of the seismic isolation device 50 is placed. The seismic isolation device is provided by inserting the anchor bolts 3 into the plurality of bolt insertion holes 52 and fastening them with the fastening means of the double nuts 3a.

The seismic isolation device 50 (1) is installed on the upper frame 10, and the plurality of drain holes (22) in the lower plate 51 (10) of the seismic isolation device 50 (1) and the inner side of the upper frame 10 By overlapping the positions of the plurality of water pipes 53 with trumpet ports provided at the bottom, the water accumulated in the seismic isolation device 50 (1) when submerged can be drained to the outside.

There are few conventional seismic isolation devices that can be replaced by removing the seismic isolation device during maintenance, and sometimes disassembling and replacing the internal parts. There is no device for draining water, and the seismic isolation device has the above functions, so the price can be set at a low price. It is.

FIG. 1 is a perspective view showing a method of attaching a lower frame body and an upper frame body of the installation base of the seismic isolation device of the present invention. FIG. 2 is a plan view of the lower frame. FIG. 3 is a side view of the lower frame. 4 is a longitudinal sectional view taken along line AA in FIG. FIG. 5 is a plan view of the upper frame. 6 is a longitudinal sectional view taken along line AA in FIG. 2 and line AA in FIG. 5 in a state in which the seismic isolation device is installed on the installation base of the seismic isolation device. FIG. 7 is a plan view showing a state where a plurality of seismic isolation devices are arranged on the entire top surface of the foundation of the building.

Explanation of symbols

1 Lower frame
2 Flat frame
3 Anchor bolt
3a Double nut
4 Cross-shaped flat plate
5 Cross-shaped vertical plate
6 Marking (center of flat plate)
7 Mortar
8 Frame core ink
10 Upper frame
11 Vertical frame
12 Cross-shaped flat plate
13 Cross-shaped vertical plate
14 engraving (center of vertical plate)
15 Bolt insertion hole
16 thumbscrew
17 Non-shrink mortar
18 Solid foundation concrete
19 Leveling concrete
20 street ink
21 Frame core ink
50 Seismic isolation device
51 Lower plate
52 Bolt insertion hole
53 Water pipe with trumpet mouth

Claims (5)

In the base of the seismic isolation device in which the seismic isolation device is arranged on the foundation of the wooden building, the lower frame body is formed by flattening the strip-shaped plate material to form a square flat frame, and at the four corners of the flat frame Form a cross-shaped flat plate by flattening strip-shaped plate material on the diagonal line to form the lower frame, and attach the anchor bolts with the refracted parts whose ends refracted at the four corners of the lower frame facing the inside of the diagonal line. Standing vertically, other than the refracted tip of the lower part of each anchor bolt and the refracted tip of the other anchor bolt facing each other, the center of the lower frame body in the longitudinal direction of the cruciform plate A strip-shaped plate material is vertically formed to form a cruciform vertical plate body, a score line is provided perpendicularly to the flat frame at the center of each side of the flat frame of the lower frame body, and the lower frame body A base for a seismic isolation device, wherein a plurality of thumb screws are provided in the vicinity of anchor bolts erected at the four corners of a flat frame In the base of the seismic isolation device in which the seismic isolation device is arranged on the foundation of the wooden building, it is an upper frame, and a square vertical frame is formed by vertically forming a strip-shaped plate material. Flat strips are formed on the diagonals of the lower four corners to form a cross-shaped flat plate to form an upper frame, and other plates are vertically placed at the center in the longitudinal direction of the cross-shaped flat plate. A vertical plate body in the shape of a letter, each tip of the cross-shaped vertical plate body is provided away from the corner portion, and a bolt is inserted into the center of each corner portion of the cross-shaped flat plate body of the upper frame body A hole is provided, a plurality of thumb screws are provided in the vicinity of the bolt insertion hole, and a score line is provided at the center of the outer side of the vertical frame of the upper frame perpendicular to the vertical frame. The base for the seismic isolation device. In the mounting method of the base of the seismic isolation device for arranging the seismic isolation device on the foundation of the wooden building, the lower frame body was constructed of foundation concrete, and the leveled concrete was placed on the entire surface of the foundation. Thereafter, a plurality of core inks are drawn in a vertical direction on the upper surface of the leveled concrete, a plurality of core inks are drawn in a horizontal direction perpendicular to the core inks, the vertical lines of the core inks and Inside the horizontal line, both sides are parallel to the core ink, the frame core ink is drawn in the vertical direction and the horizontal direction, and engraved lines provided on each side of the flat frame of the plurality of lower frame bodies The lower frame body is placed in accordance with the core ink of both the frame bodies to determine the position, and a level is alternately placed on the upper end of the cross-shaped vertical plate body of the lower frame body, Turn the plurality of thumbscrews provided at the four corners of the frame to raise and lower the lower frame, and adjust the height of the lower frame to adjust the height of the front, rear, left and right.戴設 stand mounting method of seismic isolation device according to claim 1, check to confirm the height, wherein the fixing packed mortar inside and outside of the frame of the lower. In the mounting method of the seismic isolation device mounting base in which the seismic isolation device is arranged on the foundation of the wooden building, the upper frame body is constructed with the foundation concrete and has a predetermined height on the upper surface of the leveling concrete. Next, after placing solid foundation concrete and embedding the lower frame in the solid foundation concrete, a plurality of core inks are vertically drawn on the upper surface of the solid foundation concrete and perpendicular to the core ink. A plurality of core inks are drawn in the horizontal direction, and the core ink of the upper frame body is arranged in the vertical direction in parallel with both the core inks inside the vertical lines and horizontal lines of the core inks. The plurality of upper frames are arranged on the upper surface of the solid foundation concrete, and the plurality of bolts of the upper frame are arranged at the tips from which the anchor bolts of the lower frame protrude. Insert the insertion hole and insert the cross-shaped vertical plate of the upper frame. Put the level on the end alternately and turn the above-mentioned thumbscrews to raise and lower the upper frame, adjust the height of the upper frame front and rear, left and right, check the level and confirm the height The upper frame body position is set by aligning the engravings of the upper frame body with the cores of both the frame bodies, and a plurality of water pipes with trumpet ports are provided inside the upper frame body, Fill the inside and outside of the upper frame with non-shrink mortar, and fill the inside of the upper frame with the non-shrink mortar according to the height of the surrounding vertical frame and level it horizontally. A seismic isolation device is mounted on the upper part of the frame, and the ends of the anchor bolts are inserted into a plurality of bolt insertion holes provided in the lower plate of the seismic isolation device and fastened with a fastening means of a double nut. 3. The method for mounting the installation base of the seismic isolation device according to claim 2, wherein the installation base is installed. A plurality of drain holes provided in a lower plate of the seismic isolation device; and a plurality of drain holes provided in a lower plate of the seismic isolation device; 5. The installation base of the seismic isolation device according to claim 4, wherein water accumulated in the seismic isolation device can be drained to the outside when the water pipe with a trumpet of the frame of the frame is piled up and flooded under the floor. Method.

Images