JP3190611B2 - Static crushing and removal method for existing walls - Google Patents
Static crushing and removal method for existing wallsInfo
- Publication number
- JP3190611B2 JP3190611B2 JP01117598A JP1117598A JP3190611B2 JP 3190611 B2 JP3190611 B2 JP 3190611B2 JP 01117598 A JP01117598 A JP 01117598A JP 1117598 A JP1117598 A JP 1117598A JP 3190611 B2 JP3190611 B2 JP 3190611B2
- Authority
- JP
- Japan
- Prior art keywords
- wall
- boundary
- groove
- grooves
- sleeve wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Working Measures On Existing Buildindgs (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、既存建物のコンク
リート壁をはつり施工によって取り除く既存壁の静的破
砕除去工法に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for statically crushing and removing an existing building by removing a concrete wall of the existing building by hanging.
【０００２】[0002]
【従来の技術】一般に、従来の既存建物の壁の一部を取
り除き、耐震補強工事を行うためには、ワイヤーソーカ
ッタやチッパーによって機械的に取り除いていた。ま
た、床面等のように水平面であれば、静的破砕工法によ
って、カッターで形成した溝内に破砕剤を入れ、破砕剤
の膨脹を利用してはつる事ができた。2. Description of the Related Art In general, in order to remove a part of a wall of a conventional existing building and to perform seismic reinforcement work, it is mechanically removed by a wire saw cutter or a chipper. Further, if the surface is a horizontal surface such as a floor surface, the crushing agent can be put into the groove formed by the cutter by a static crushing method, and the crushing agent can be suspended by using the expansion of the crushing agent.
【０００３】[0003]
【発明が解決しようとする課題】ところで、上述した従
来のワイヤーソーカッタやチッパーによって機械的に取
り除く工法では、騒音やほこり、振動がひどく作業環境
に問題が存在した。特に、居住者の在る既存建物の一
部、マンション等の壁を除去して耐震補強工事をする事
が出来なかった。However, in the above-mentioned conventional method of mechanically removing with a wire saw cutter or a chipper, there is a problem in the working environment due to severe noise, dust and vibration. In particular, it was not possible to remove part of the existing building where the resident is located or the wall of an apartment or the like to perform seismic retrofitting work.
【０００４】本発明の目的は、上述した従来の欠点に鑑
みなされたもので、騒音、振動或いは、ほこりの発生を
未然に防止する事の出来る既存壁の静的破砕除去工法を
提供することにある。SUMMARY OF THE INVENTION [0004] An object of the present invention is to provide a method for statically crushing and removing an existing wall, which can prevent the generation of noise, vibration, or dust beforehand. is there.
【０００５】[0005]
【課題を解決するための手段】本発明に係る既存壁の静
的破砕除去工法は、垂れ壁及び袖壁の上端と梁との境界
部に溝を形成する工程を行い、垂れ壁と袖壁との境界部
に２本の溝を形成し、該２本の溝部分を限定はつりし、
該限定はつりを行った残存部を切断する工程を行い、腰
壁及び袖壁の下端と梁との境界部に溝を形成する工程を
行い、腰壁と袖壁との境界部に２本の溝を形成し、該２
本の溝部分を限定はつりし、該限定はつりを行った残存
部を切断する工程を行い、袖壁と柱との境界部に溝を形
成する工程を行い、前記各工程で形成した溝内に静的破
砕剤を充填する工程を行うことから成り、静的破砕剤の
膨脹圧力によって所望の既存壁を取り除く事を特徴とす
る既存壁の静的破砕除去工法を提供するものである。 Means for Solving the Problems] static crushing removal method of the existing wall according to the present invention, the boundary between the upper end and the beam of hanging wall and sleeve wall
Perform the process of forming a groove in the part, the boundary between the hanging wall and the sleeve wall
, Two grooves are formed, and the two groove parts are suspended.
The limitation is to perform a step of cutting the remaining portion of the suspension,
The step of forming a groove at the boundary between the lower end of the wall and the sleeve wall and the beam
Then, two grooves are formed at the boundary between the waist wall and the sleeve wall.
The groove portion of the book is suspended, and the limitation is the remaining suspended portion.
Perform a process of cutting the part, and form a groove at the boundary between the sleeve wall and the pillar
Performing static breaks in the grooves formed in each of the above steps.
Consists of performing a process of filling the crushing agent,
It is characterized by removing desired existing walls by inflation pressure.
It provides a method for static crushing and removal of existing walls.
【０００６】また、前記腰壁及び袖壁の下端と梁との境
界部に溝を形成する工程において、袖壁と梁との境界部
に２本の溝を設け、この溝の一方に静的破砕剤を充填し
て限定はつりし、該限定はつりを行った残存部を切断す
ると共に、袖壁の中間部に切断線を形成することとした
ものであり、そして、前記垂れ壁及び袖壁の上端と梁と
の境界部に溝を形成する工程と、前記腰壁及び袖壁の下
端と梁との境界部に溝を形成する工程において、袖壁と
上下の梁との境界部にそれぞれ２本の溝を設け、この溝
の一方に静的破砕剤を充填して限定はつりし、該限定は
つりを行った残存部を切断すると共に、袖壁の中間部に
切断線を形成する事としたものであり、更に、前記袖壁
と柱との境界部に溝を形成する工程において、袖壁の中
間部に複数の溝を形成し、この溝の一つに静的破砕剤を
充填して限定はつりし、該限定はつりを行った残存部を
切断する事としたものである。 [0006] Also, the boundary between the lower end of the waist wall and the sleeve wall and the beam.
In the process of forming a groove in the boundary, the boundary between the sleeve wall and the beam
Are provided with two grooves, and one of the grooves is filled with a static crushing agent.
The limitation is suspended, and the limitation cuts the remaining portion where the suspension was performed.
And a cutting line is formed in the middle of the sleeve wall.
And the upper end of the hanging wall and the sleeve wall and the beam
Forming a groove at the boundary between the waist wall and the sleeve wall.
In the process of forming a groove at the boundary between the end and the beam,
Two grooves are provided at the boundary between the upper and lower beams, respectively.
One of them is filled with a static crushing agent, and the limitation is suspended.
Cut off the remaining part of the suspension and place it in the middle of the sleeve wall.
A cutting line is formed, and the sleeve wall is further formed.
In the step of forming a groove at the boundary between the
Form multiple grooves in the gap, and apply static crushing agent to one of these grooves
Filling and hanging the limitation, the limitation
It was decided to cut it.
【０００７】本発明に係る既存壁の静的破砕除去工法
は、静的破砕剤によって壁を除去する事ができるので、
振動や騒音を発生させる事なく工事ができる。[0007] The method for static crushing and removal of existing walls according to the present invention can remove walls with a static crushing agent.
Work can be performed without generating vibration or noise.
【０００８】[0008]
【発明の実施の形態】以下、添付図面に従って本発明の
一実施例を垂れ壁、腰壁、袖壁からなる壁の除去につい
て説明する。図１は本発明の既存壁の静的破砕除去工法
によって除去する既存壁を示す正面図、図２は図１に示
すＡ−Ａ線断面図、図３は同静的破砕除去工法において
破砕する箇所を示す正面図である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the accompanying drawings, in which a wall composed of a hanging wall, a waist wall, and a sleeve wall is removed. 1 is a front view showing an existing wall to be removed by the static crushing and removing method of the existing wall of the present invention, FIG. 2 is a cross-sectional view taken along the line AA shown in FIG. 1, and FIG. 3 is crushed by the static crushing and removing method. It is a front view which shows a part.
【０００９】図１は、中央部に窓等の開口部１０を有し
た一般的な既存壁である。上の梁１１から垂れ壁１２が
垂下しており、下の梁１３から腰壁１４が立ち上ってい
る。また、開口部１０と柱１５との間には、袖壁１６，
１６が形成されている。このような既存壁を取り除き、
鉄骨等によって耐震補強工事を行う場合に、以下のよう
な工程により行う。FIG. 1 shows a general existing wall having an opening 10 such as a window in the center. A hanging wall 12 hangs from the upper beam 11, and a waist wall 14 rises from the lower beam 13. In addition, between the opening 10 and the pillar 15, a sleeve wall 16,
16 are formed. Remove these existing walls,
When seismic strengthening work is performed using steel frames, etc., the following steps will be taken.
【００１０】垂れ壁及び袖壁の上端と梁との境界部に溝
を形成する工程では、図３に示す様に垂れ壁１２及び袖
壁１６の上端１６ａと梁１１との境界部に溝１７をカッ
ターで形成する。カッターは、円盤状の刃を回転させる
事によりコンクリート壁に所定幅及び深さの溝１７を形
成する。図４は、垂れ壁１２の破砕箇所を示す要部断面
図である。溝１７の深さは、縦筋を切断する程度にす
る。In the step of forming a groove at the boundary between the upper end of the hanging wall and the sleeve wall and the beam, a groove 17 is formed at the boundary between the upper end 16a of the hanging wall 12 and the sleeve wall 16 and the beam 11, as shown in FIG. Is formed with a cutter. The cutter forms a groove 17 having a predetermined width and depth in the concrete wall by rotating a disk-shaped blade. FIG. 4 is a cross-sectional view of a main part showing a crushed portion of the hanging wall 12. The depth of the groove 17 is set so as to cut the vertical stripe.
【００１１】垂れ壁と袖壁との境界部に溝を形成する工
程では、垂れ壁１２と袖壁１６，１６の境界部に直線状
の溝１８，１９をカッターで形成する。この２本の溝に
よって限定はつりができる。図５に示すように限定はつ
りは、溝１８、１９の内の一方に静的破砕剤を充填す
る。一方の溝を充填しないままに残す事により、破砕剤
が膨脹した際の逃げ代を確保する事が出来る。溝１８と
溝１９の深さは壁厚Ｄの３／４程度とし、両者の間隔Ｈ
はカッターの刃厚を考慮して切断する（図５Ａ参照）。
尚、間隔Ｈは、前記溝１８，１９の深さの１／２（３Ｄ
／８）程度とする。更に、限定はつりを行った残存部を
カッターで更に切断する（図５Ｂ参照）。この様にし
て、袖壁１６と切断された垂れ壁１２は、後述する静的
破砕剤を充填する工程で、溝１７に静的破砕剤を充填
し、その膨脹圧によって上の梁１１から除去する事が出
来る。In the step of forming a groove at the boundary between the hanging wall and the sleeve wall, straight grooves 18, 19 are formed at the boundary between the hanging wall 12 and the sleeve walls 16, 16 with a cutter. The limitation can be suspended by these two grooves. As shown in FIG.
Filling one of the grooves 18 and 19 with a static crushing agent
You. By leaving one groove unfilled, the crushing agent
It can secure a run-away allowance when is inflated. The depth of the groove 18 and the groove 19 is about ／ of the wall thickness D, and the distance H
Cuts in consideration of the blade thickness of the cutter (see FIG. 5A).
The interval H is １ ／ (3D) of the depth of the grooves 18 and 19.
/ 8). Further, in the limitation , the remaining portion having been suspended is further cut by a cutter (see FIG. 5B). In this manner, the sleeve wall 16 and the cut hanging wall 12 are filled with the static crushing agent in the groove 17 in the step of filling the static crushing agent, which will be described later, and are removed from the upper beam 11 by the expansion pressure. You can do it.
【００１２】腰壁及び袖壁の下端と梁との境界部に溝を
形成する工程では、腰壁１４及び袖壁１６の下端１６ｂ
と梁１３との境界部にカッターで溝２０を形成する。図
６は、腰壁１４と梁１３との関係を示す要部断面図であ
る。ここにおいても、溝２０の深さは、縦筋を切断でき
る深さとする。In the step of forming a groove at the boundary between the lower end of the waist wall and the sleeve wall and the beam, the lower ends 16b of the waist wall 14 and the sleeve wall 16 are formed.
A groove 20 is formed at the boundary between the beam and the beam 13 using a cutter. FIG. 6 is a cross-sectional view of a main part showing a relationship between the waist wall 14 and the beam 13. Also in this case, the depth of the groove 20 is set to a depth at which the vertical stripe can be cut.
【００１３】腰壁と袖壁との境界部に溝を形成する工程
は、腰壁１４と袖壁１６との境界部にカッターで直線状
の平行溝２１，２２を形成する。溝２１と溝２２の深さ
は壁厚Ｄの３／４程度とし、２本の溝は、図５で説明し
たと同様に、一定の間隔Ｈを有しておりカッターの刃厚
を考慮して切断する。尚、間隔Ｈは、前記溝２１，２２
の深さの１／２（３Ｄ／８）程度であり、この部分を限
定はつりする。図５に示した場合と同様に限定はつり
は、溝２１、２２の内の一方に静的破砕剤を充填する。
一方の溝を充填しないままに残す事により、破砕剤が膨
脹した際の逃げ代を確保する事が出来る。 更に、限定は
つりを行った残存部をカッターで更に切断する（図５Ｂ
参照）。この様にして、袖壁１６と切断された腰壁１４
は、後述する静的破砕剤を充填する工程で、溝２０に静
的破砕剤を充填し、その膨脹圧によって下の梁１３から
除去する事が出来る。In the step of forming a groove at the boundary between the waist wall and the sleeve wall, straight parallel grooves 21 and 22 are formed at the boundary between the waist wall 14 and the sleeve wall 16 with a cutter. The depth of the groove 21 and the groove 22 is about 程度 of the wall thickness D, and the two grooves have a constant interval H as described with reference to FIG. And cut it. Note that the interval H is determined by the grooves 21 and 22
Is about 1/2 (3D / 8) of the depth of the above, and this part is suspended. The limitation is fishing as in the case shown in FIG.
Fills one of the grooves 21, 22 with a static crushing agent.
By leaving one groove unfilled, the crushing agent expands.
You can secure a runaway allowance when inflated. Further, the limitation is to further cut the remaining portion that has been suspended with a cutter (FIG. 5B).
reference). In this way, the sleeve wall 16 and the cut waist wall 14 are cut.
In the step of filling a static crushing agent described later, the groove 20 is filled with the static crushing agent, and can be removed from the lower beam 13 by the expansion pressure.
【００１４】袖壁と柱との境界部に溝を形成する工程
は、袖壁１６と柱１５との境界部にカッターで直線状に
横筋を切断する程度の深さの溝２３を形成する。In the step of forming a groove at the boundary between the sleeve wall and the column, a groove 23 is formed at the boundary between the sleeve wall 16 and the column 15 with a depth such that a horizontal streak can be cut linearly by a cutter.
【００１５】前記各工程で形成した溝内に静的破砕剤を
充填する工程は、溝１７、２０、２３内に静的破砕剤を
充填する。静的破砕剤は、水和膨脹性の粉状膨脹物質を
加水混練して充填する。静的破砕剤の主成分は、酸化カ
ルシュウムでこれに特殊なケイ酸塩が含有されている。
静的破砕剤は、時間の経過と共に膨脹圧が発現し、約１
２時間経過後に２０００（ｔ／ｍ2）、２４時間経過後
に３５００（ｔ／ｍ2）の膨脹圧が発現する。本実施例
では、静的破砕剤の膨脹圧力によって所望の既存壁を取
り除く事ができる。In the step of filling the grooves formed in the above steps with a static crushing agent, the grooves 17 , 20 , and 23 are filled with a static crushing agent. The static crushing agent is filled by mulling and kneading a swellable powdery expanding material. The main component of the static crushing agent is calcium oxide, which contains a special silicate.
The static crushing agent develops an inflation pressure over time, and the
An expansion pressure of 2000 (t / m 2) appears after 2 hours, and an expansion pressure of 3500 (t / m 2) appears after 24 hours. In this embodiment, the desired existing wall can be removed by the inflation pressure of the static crushing agent.
【００１６】なお、既述したように、図５に示すように
限定はつりを行う部分では、溝１８、１９の内の一方に
静的破砕剤を充填する。一方の溝を充填しないままに残
す事により、破砕剤が膨脹した際の逃げ代を確保する事
が出来る。限定はつりを行う事により、図５（Ｂ）に示
すように壁厚の３Ｄ／４のはつり溝を形成する事が出来
る。As described above, as shown in FIG. 5, at the portion where the limitation is performed, one of the grooves 18 and 19 is filled with a static crushing agent. By leave to remain does not fill one of the groove, crushing agent is able to secure a clearance fee at the time of the expansion. By performing the suspension, a suspension groove having a wall thickness of 3D / 4 can be formed as shown in FIG. 5B.
【００１７】図７は、袖壁１６の除去手順の一例を示す
ものである。先ず、袖壁１６と下の梁１３との境界部分
に二本の溝２４，２５を形成し、限定はつりを行いその
残存部を更にカッターで切断する（図５Ｂ参照）と共
に、袖壁１６と上の梁１１及び柱１５との境界部分に溝
１７，２３をカッターで形成する。更に、袖壁１６の中
間部分には、切断線２６を形成する。この様にして、袖
壁１６の周囲に形成した各溝内に静的破砕剤を充填す
る。その後、所定時間経過後に静的破砕剤の膨脹圧力に
よって、袖壁１６を取り除く事ができる。FIG. 7 shows an example of a procedure for removing the sleeve wall 16. First, two grooves 24 and 25 are formed at a boundary portion between the sleeve wall 16 and the lower beam 13, and hanging is limited, and the remaining portion is further cut with a cutter (see FIG. 5B). Grooves 17 and 23 are formed at the boundary between the upper beam 11 and the column 15 by a cutter. Further, a cutting line 26 is formed in an intermediate portion of the sleeve wall 16. In this way, each of the grooves formed around the sleeve wall 16 is filled with the static crushing agent. Thereafter, after a predetermined time has elapsed, the sleeve wall 16 can be removed by the inflation pressure of the static crushing agent.
【００１８】図８は、袖壁１６の除去手順の第２の例を
示すものである。先ず、袖壁１６と下の梁１３との境界
部分に二本の溝２４，２５を形成すると共に、袖壁１６
と上の梁１１との境界部分に二本の溝２７，２８を形成
し、限定はつりを行い、その残存部分をカッターで切断
する。袖壁１６と柱１５との境界部分に溝２３をカッタ
ーで形成する。更に、袖壁１６の中間部分には、切断線
２６を形成する。図１０は、袖壁の除去方法を示す説明
する縦断面図、図１１は、袖壁の除去方法を示す説明す
る要部拡大断面図、図１２は、袖壁の除去方法を示す説
明する中心部断面図である。また、図１２に示すように
切断線２６は、縦筋３１を切断する深さまで約６ｍｍの
幅で形成する。この切断線２６によって、袖壁１６を二
分する事が出来る。この様にして、袖壁１６の周囲に形
成した各溝内に静的破砕剤を充填する。その後、所定時
間経過後、静的破砕剤の膨脹圧力によって、袖壁１６を
取り除く事ができる。FIG. 8 shows a second example of the procedure for removing the sleeve wall 16. First, two grooves 24 and 25 are formed at the boundary between the sleeve wall 16 and the lower beam 13, and the sleeve wall 16 is formed.
Two grooves 27 and 28 are formed at the boundary portion between the upper beam 11 and the upper beam 11. Limitation is performed, and the remaining portion is cut by a cutter. A groove 23 is formed at the boundary between the sleeve wall 16 and the pillar 15 with a cutter. Further, a cutting line 26 is formed in an intermediate portion of the sleeve wall 16. FIG. 10 is a longitudinal sectional view illustrating a method of removing a sleeve wall, FIG. 11 is an enlarged sectional view of a main part illustrating a method of removing a sleeve wall, and FIG. 12 is a center illustrating a method of removing a sleeve wall. It is a fragmentary sectional view. Further, as shown in FIG. 12, the cutting line 26 is formed with a width of about 6 mm to a depth at which the vertical stripe 31 is cut. The cutting line 26 divides the sleeve wall 16 into two. In this way, each of the grooves formed around the sleeve wall 16 is filled with the static crushing agent. After a lapse of a predetermined time, the sleeve wall 16 can be removed by the inflation pressure of the static crushing agent.
【００１９】図９は、袖壁１６の除去手順の第３の例を
示すものである。先ず、袖壁１６の中間部分に形成した
二本の溝２９，３０により、限定はつりを行いその残存
部をカッターで切断すると共に袖壁１６と上の梁１１及
び柱１５との境界部分に溝１７，２３をカッターで形成
する。また、下の梁１３と袖壁１６との境界部分に溝２
０を形成する。この様にして、袖壁１６の周囲に形成し
た各溝内に静的破砕剤を充填する。その後、所定の時間
が経過する事により、静的破砕剤の膨脹圧力で、袖壁１
６を取り除く事ができる。FIG. 9 shows a third example of the procedure for removing the sleeve wall 16. First, by means of two grooves 29, 30 formed in the middle part of the sleeve wall 16, the suspension is limited and the remaining part is cut with a cutter, and the groove is formed at the boundary between the sleeve wall 16 and the upper beam 11 and the pillar 15 at the boundary. 17 and 23 are formed with a cutter. Also, a groove 2 is formed at the boundary between the lower beam 13 and the sleeve wall 16.
0 is formed. In this way, each of the grooves formed around the sleeve wall 16 is filled with the static crushing agent. Thereafter, as the predetermined time elapses, the sleeve wall 1 is expanded by the inflation pressure of the static crushing agent.
6 can be removed.
【００２０】このように、本発明の既存壁の静的破砕除
去工法では、振動や騒音の発生を招く事なく、静かに既
存壁を除去する事が出来、衛生上からも環境上からもこ
のましいものである。As described above, the static crushing and removing method of the existing wall according to the present invention allows the existing wall to be quietly removed without causing any vibration or noise, and this method can be used from both sanitary and environmental reasons. It is good.
【００２１】尚、本発明は以上の実施例に限ることなく
本発明の技術思想に基づいて種々の設計変更が可能であ
る。Incidentally, the present invention is not limited to the above embodiments, and various design changes can be made based on the technical idea of the present invention.
【００２２】[0022]
【発明の効果】以上詳細に説明したように、本発明に係
る既存壁の静的破砕除去工法によれば、垂れ壁及び袖壁
の上端と梁との境界部に溝を形成する工程を行い、垂れ
壁と袖壁との境界部に２本の溝を形成し、該２本の溝部
分を限定はつりし、該限定はつりを行った残存部を切断
する工程を行い、腰壁及び袖壁の下端と梁との境界部に
溝を形成する工程を行い、腰壁と袖壁との境界部に２本
の溝を形成し、該２本の溝部分を限定はつりし、該限定
はつりを行った残存部を切断する工程を行い、袖壁と柱
との境界部に溝を形成する工程を行い、前記各工程で形
成した溝内に静的破砕剤を充填する工程を行うことから
成り、静的破砕剤の膨脹圧力によって所望の既存壁を取
り除く事によって、従来のワイヤーソーカッタやチッパ
ーによって機械的に取り除く工法に比べてほこり、騒
音、振動の発生を招く事なく工事ができる。また、除去
した既存壁部分に耐震補強工事をする事により、建物強
度を増強する事が出来る。As described above in detail, according to the method for statically crushing and removing an existing wall according to the present invention, a hanging wall and a sleeve wall are provided.
Process to form a groove at the boundary between the upper end of the beam and the beam.
Two grooves are formed at the boundary between the wall and the sleeve wall, and the two grooves are formed.
The limit is suspended and the limit is cut off the remaining part
The boundary between the lower end of the waist wall and the sleeve wall and the beam.
Perform the process of forming a groove, two at the boundary between the waist wall and the sleeve wall
Are formed, and the two groove portions are suspended.
Perform the process of cutting the remaining part that has been suspended, and
Forming a groove at the boundary with the
From the process of filling static crushing agent into the formed grooves
The desired existing wall by the inflating pressure of the static crushing agent.
By doing so, the work can be performed without incurring dust, noise and vibration as compared with the conventional method of mechanically removing with a wire saw cutter or a chipper. In addition, the building strength can be increased by applying seismic reinforcement to the removed existing wall.
【００２３】また、前記腰壁及び袖壁の下端と梁との境
界部に溝を形成する工程において、袖壁と梁との境界部
に２本の溝を設け、この溝の一方に静的破砕剤を充填し
て限定はつりし、該限定はつりを行った残存部を切断す
ると共に、袖壁の中間部に切断線を形成することによっ
て、特に溝の一方に静的破砕剤を充填するので、静的破
砕剤の膨脹による逃げ代を形成する事が出来る。また、
切断線により袖壁を二分割して後処理を容易にする事が
出来る。 Also, the boundary between the lower end of the waist wall and the sleeve wall and the beam.
In the process of forming a groove in the boundary, the boundary between the sleeve wall and the beam
Are provided with two grooves, and one of the grooves is filled with a static crushing agent.
The limitation is suspended, and the limitation cuts the remaining portion where the suspension was performed.
And a cutting line is formed in the middle of the sleeve wall.
In addition, since one of the grooves is filled with the static crushing agent, an escape allowance due to the expansion of the static crushing agent can be formed. Also,
The post processing can be facilitated by dividing the sleeve wall into two by the cutting line.
【図１】本発明の既存壁の静的破砕除去工法によって除
去する既存壁を示す正面図である。FIG. 1 is a front view showing an existing wall to be removed by a static crushing and removing method of the existing wall of the present invention.
【図２】図１に示すＡ−Ａ線断面図である。FIG. 2 is a sectional view taken along line AA shown in FIG.
【図３】同既存壁の静的破砕除去工法において破砕する
箇所を示す正面図である。FIG. 3 is a front view showing locations where the existing wall is crushed in the static crushing removal method.
【図４】同既存壁の静的破砕除去工法における、垂れ壁
の破砕箇所を示す要部断面図である。FIG. 4 is a cross-sectional view of a main part showing a crushed portion of a hanging wall in the static crushing and removing method of the existing wall.
【図５】（Ａ）（Ｂ）は、垂れ壁と袖壁及び腰壁と袖壁
との境界部の限定はつり工程を示す要部断面図である。FIGS. 5A and 5B are cross-sectional views of a main part showing a hanging step for limiting a boundary portion between a hanging wall and a sleeve wall and between a waist wall and a sleeve wall.
【図６】腰壁と梁とのはつり工程を示す要部断面図であ
る。FIG. 6 is a fragmentary cross-sectional view showing a hanging step of the waist wall and the beam.
【図７】袖壁の第１の除去方法を示す説明図である。FIG. 7 is an explanatory diagram showing a first method of removing a sleeve wall.
【図８】袖壁の第２の除去方法を示す説明図である。FIG. 8 is an explanatory diagram showing a second method of removing a sleeve wall.
【図９】袖壁の第３の除去方法を示す説明図である。FIG. 9 is an explanatory view showing a third method of removing a sleeve wall.
【図１０】袖壁の除去方法を示す説明する縦断面図であ
る。FIG. 10 is a longitudinal sectional view illustrating a method for removing a sleeve wall.
【図１１】袖壁の除去方法を示す説明する要部拡大断面
図である。FIG. 11 is an enlarged sectional view of a main part for explaining a method of removing a sleeve wall.
【図１２】袖壁の除去方法を示す説明する中心部断面図
である。FIG. 12 is a central sectional view for explaining a method of removing a sleeve wall.
１０ 開口部 １１ 上の梁 １２ 垂れ壁 １３ 下の梁 １４ 腰壁 １５ 柱 １６ 袖壁 １７〜１９ 溝 ２０ 溝 ２１〜２５ 溝 ２６ 切断線 ２７〜３０ 溝 ３１ 縦筋 DESCRIPTION OF SYMBOLS 10 Opening 11 Upper beam 12 Hanging wall 13 Lower beam 14 Waist wall 15 Column 16 Sleeve wall 17-19 Groove 20 Groove 21-25 Groove 26 Cutting line 27-30 Groove 31 Vertical stripe
Claims (4)
溝を形成する工程を行い、 垂れ壁と袖壁との境界部に２本の溝を形成し、該２本の
溝部分を限定はつりし、該限定はつりを行った残存部を
切断する工程を行い、 腰壁及び袖壁の下端と梁との境界部に溝を形成する工程
を行い、 腰壁と袖壁との境界部に２本の溝を形成し、該２本の溝
部分を限定はつりし、該限定はつりを行った残存部を切
断する工程を行い、 袖壁と柱との境界部に溝を形成する工程を行い、 前記各工程で形成した溝内に静的破砕剤を充填する工程
を行うことから成り、 静的破砕剤の膨脹圧力によって所望の既存壁を取り除く
事を特徴とする既存壁の静的破砕除去工法。 1. A make hanging wall and forming a groove in the boundary portion between the upper end and the beam of the sleeve wall, to form two grooves in the boundary portion between the hanging wall and wing walls, two said the
The groove part is suspended, and the limitation is to remove the remaining part after suspension.
Performing a cutting step and forming a groove at the boundary between the lower end of the waist wall and the sleeve wall and the beam
And two grooves are formed at the boundary between the waist wall and the sleeve wall, and the two grooves are formed.
The part is suspended, and the limitation cuts off the remaining part.
Performing a cutting step , forming a groove at the boundary between the sleeve wall and the column, and filling the groove formed in each of the above steps with a static crushing agent.
A method for removing static existing crushing of existing walls, characterized in that a desired existing wall is removed by the inflation pressure of a static crushing agent.
に溝を形成する工程において、 袖壁と梁との境界部に２本の溝を設け、この溝の一方に
静的破砕剤を充填して限定はつりし、該限定はつりを行
った残存部を切断すると共に、袖壁の中間部に切断線を
形成することを特徴とする請求項２記載の既存壁の静的
破砕除去工法。 2. A process of forming a groove in the boundary portion between the lower end and the beam of the waist wall and wing walls, provided with two grooves at the boundary between the sleeve wall and the beam, a static one of the grooves The limitation is suspended by filling the crushing agent, and the limitation is carried out.
3. The method for statically crushing and removing an existing wall according to claim 2, wherein the remaining portion is cut off and a cutting line is formed at an intermediate portion of the sleeve wall.
部に溝を形成する工程と、前記腰壁及び袖壁の下端と梁
との境界部に溝を形成する工程において、 袖壁と上下の梁との境界部にそれぞれ２本の溝を設け、
この溝の一方に静的破砕剤を充填して限定はつりし、該
限定はつりを行った残存部を切断すると共に、袖壁の中
間部に切断線を形成する事を特徴とする請求項２記載の
既存壁の静的破砕除去工法。 3. A step of forming a groove at the boundary between the upper end of the hanging wall and the sleeve wall and the beam, and a step of forming a groove at the boundary between the lower end of the waist wall and the sleeve wall and the beam. Two grooves are provided at the boundary between the wall and the upper and lower beams, respectively .
Filling one of these grooves with a static crushing agent suspends the restriction,
3. The method for static crushing and removal of an existing wall according to claim 2, wherein the limitation is to cut the remaining portion where the hanging has been performed and to form a cutting line at an intermediate portion of the sleeve wall.
工程において、 袖壁の中間部に複数の溝を形成し、この溝の一つに静的
破砕剤を充填して限定はつりし、該限定はつりを行った
残存部を切断する事を特徴とする請求項２記載の既存壁
の静的破砕除去工法。 4. A process of forming a groove in a boundary portion between the sleeve wall and pillars, a plurality of grooves formed in an intermediate portion of the sleeve wall, limited by filling the static crushing agent in one of the grooves Hanging, the limitation went fishing
3. The method for statically crushing and removing an existing wall according to claim 2, wherein the remaining portion is cut .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP01117598A JP3190611B2 (en) | 1998-01-23 | 1998-01-23 | Static crushing and removal method for existing walls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP01117598A JP3190611B2 (en) | 1998-01-23 | 1998-01-23 | Static crushing and removal method for existing walls |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH11210236A JPH11210236A (en) | 1999-08-03 |
| JP3190611B2 true JP3190611B2 (en) | 2001-07-23 |
Family
ID=11770730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP01117598A Expired - Fee Related JP3190611B2 (en) | 1998-01-23 | 1998-01-23 | Static crushing and removal method for existing walls |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3190611B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001088310A1 (en) * | 2000-05-15 | 2001-11-22 | Kensuke Asakura | Method and device for removing part of concrete structure |
| CN111173304A (en) * | 2018-11-13 | 2020-05-19 | 杭州固力建筑工程有限公司 | Reinforcing method for additionally arranging door opening on transformed bearing wall of brick-concrete structure house |
| CN112793005A (en) * | 2020-12-21 | 2021-05-14 | 中铁一局集团电务工程有限公司 | Static force cutting method for concrete structure |
-
1998
- 1998-01-23 JP JP01117598A patent/JP3190611B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH11210236A (en) | 1999-08-03 |
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