JPH11210236A - Static crushing and removing method of existing wall - Google Patents
Static crushing and removing method of existing wallInfo
- Publication number
- JPH11210236A JPH11210236A JP1117598A JP1117598A JPH11210236A JP H11210236 A JPH11210236 A JP H11210236A JP 1117598 A JP1117598 A JP 1117598A JP 1117598 A JP1117598 A JP 1117598A JP H11210236 A JPH11210236 A JP H11210236A
- Authority
- JP
- Japan
- Prior art keywords
- wall
- groove
- boundary
- 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.)
- Granted
Links
Landscapes
- Working Measures On Existing Buildindgs (AREA)
Abstract
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。また、従来の静的破砕工法では、破砕
剤の粘度が低く縦方向に形成した溝内に破砕剤を充填す
る事が困難であった。このため、既存建物の壁のみを除
去する事ができなかった。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. Further, in the conventional static crushing method, the viscosity of the crushing agent was low, and it was difficult to fill the crushing agent into the vertically formed groove. For this reason, it was not possible to remove only the walls of the existing building.
【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 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. 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、除去しようとする既存壁と建て物を
構成する梁及び柱との境界部に溝を形成する工程と、前
記工程で形成した溝内に静的破砕剤を充填する工程とか
ら成り、静的破砕剤の膨脹圧力によって前記既存壁を取
り除く事を特徴とするものである。また、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、垂れ壁
と袖壁との境界部に溝を形成する工程と、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と、腰壁と袖
壁との境界部に溝を形成する工程と、袖壁と柱との境界
部に溝を形成する工程と、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
ものである。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
に複数の溝を設け、この溝の一つに静的破砕剤を充填
し、限定はつりを行うと共に、袖壁の中間部に切断線を
形成することを特徴とするものである。According to the present invention, there is provided a method for statically crushing and removing an existing wall according to the present invention, comprising the steps of: forming a groove at a boundary between an existing wall to be removed and a beam and a column constituting a building; Filling the groove formed in the above step with a static crushing agent, wherein the existing wall is removed by the expansion pressure of the static crushing agent. A step of forming a groove at a boundary between the upper end of the hanging wall and the sleeve wall and the beam; a step of forming a groove at a boundary of the hanging wall and the sleeve wall; and a lower end of the waist wall and the sleeve wall and the beam. Forming a groove at the boundary between the waist wall and the sleeve wall, forming a groove at the boundary between the sleeve wall and the column, and forming the groove at the boundary between the sleeve wall and the column. Filling the groove with a static crushing agent, and removing desired existing walls by the expansion pressure of the static crushing agent. 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, a plurality of grooves are provided at the boundary between the sleeve wall and the beam, and a static crushing agent is applied to one of the grooves. Filling and limiting are performed by hanging and forming a cutting line in the middle of the sleeve wall.
【０００６】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
との境界部に複数の溝を設け、この溝の一つに静的破砕
剤を充填し、限定はつりを行うと共に、袖壁の中間部に
切断線を形成する事を特徴とするものである。また、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、限定はつりを行う事を特徴とするもので
ある。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, and the step of forming the groove at the boundary between the lower end of the waist wall and the sleeve wall and the beam, A plurality of grooves are provided at the boundary between the upper and lower beams, and one of the grooves is filled with a static crushing agent, and is limited to hanging, and a cutting line is formed at an intermediate portion of the sleeve wall. Things. Further, in the step of forming a groove at the boundary between the sleeve wall and the column, a plurality of grooves are formed at an intermediate portion of the sleeve wall, and one of the grooves is filled with a static crushing agent, and the suspension is performed. It is characterized by things.
【０００７】このように、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。As described above, according to the method for static crushing and removing of an existing wall according to the present invention, since the wall can be removed with a static crushing agent, construction 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。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。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. The depth of the groove 18 and the groove 19 is about 程度 of the wall thickness D, and the interval H between them is cut in consideration of the blade thickness of the cutter (see FIG. 5A). The interval H is set to about 1/2 (3D / 8) of the depth of the grooves 18 and 19. The limitation is to further cut the remaining portion that has been suspended with 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と袖壁１６の下端１ ６ｂ
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。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 to further cut the remaining portion that has been suspended with a cutter (see FIG. 5B). In this way, the sleeve wall 16
The waist wall 14 thus cut can be removed from the lower beam 13 by filling the groove 20 with the static crushing agent in the step of filling the static crushing agent described later with 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１７〜２３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１２時間
経過後に２０００（ｔ／ｍ2）、２４時間経過後に３５
００（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 to 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 expansion pressure with the passage of time, and after about 12 hours, 2,000 (t / m 2 ) and after 24 hours, 35 (t / m 2 ).
An expansion pressure of 00 (t / m 2 ) develops. In this embodiment,
The desired existing walls can be removed by the inflating pressure of the static crushing agent.
【００１６】なお、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。一方も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３
Ｄ／４のはつり溝を形成する事が出来る。As shown in FIG. 5, in a portion where the suspension is performed, one of the grooves 18 and 19 is filled with a static crushing agent. By leaving one of the grooves unfilled, it is possible to secure an allowance when the crushing agent expands. The limitation is performed by hanging, as shown in FIG.
A hanging groove of D / 4 can be formed.
【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 the two grooves 29 and 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と、垂れ壁と
袖壁との境界部に溝を形成する工程と、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と、腰壁と袖壁
との境界部に溝を形成する工程と、袖壁と柱との境界部
に溝を形成する工程と、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ので、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 step of forming a groove at the boundary between the upper end of the hanging wall and the sleeve wall and the beam, Forming a groove at the boundary between the hanging wall and the sleeve wall; forming a groove at the boundary between the lower end of the waist wall and the sleeve wall and the beam; and forming a groove at the boundary between the waist wall and the sleeve wall. Forming, a step of forming a groove at the boundary between the sleeve wall and the column, and a step of filling a static crushing agent into the groove formed in each of the above steps, wherein the expansion pressure of the static crushing agent Since the desired existing wall is removed, the construction can be performed without generating 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】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複数
の溝を設け、この溝の一つに静的破砕剤を充填し、限定
はつりを行うと共に、袖壁の中間部に切断線を形成する
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。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, a plurality of grooves are provided at the boundary between the sleeve wall and the beam, and one of the grooves has a static crushing agent. Is filled and the cut is made in the middle of the sleeve wall, so that a relief allowance due to the expansion of the static crushing agent can be formed. Further, 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 diagram 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 (5)
する梁及び柱との境界部に溝を形成する工程と、前記工
程で形成した溝内に静的破砕剤を充填する工程とから成
り、静的破砕剤の膨脹圧力によって前記既存壁を取り除
く事を特徴とする既存壁の静的破砕除去工法。1. A step of forming a groove at a boundary between an existing wall to be removed and a beam and a column constituting a building, and a step of filling a static crushing agent into the groove formed in the step. A method for statically crushing and removing an existing wall, wherein the existing wall is removed by an expansion pressure of a static crushing agent.
溝を形成する工程と、垂れ壁と袖壁との境界部に溝を形
成する工程と、腰壁及び袖壁の下端と梁との境界部に溝
を形成する工程と、腰壁と袖壁との境界部に溝を形成す
る工程と、袖壁と柱との境界部に溝を形成する工程と、
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
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。2. A step of forming a groove at the boundary between the upper end of the hanging wall and the sleeve wall and the beam, a step of forming a groove at the boundary of the hanging wall and the sleeve wall, and a lower end of the waist wall and the sleeve wall. A step of forming a groove at the boundary between the beam and the beam, a step of forming a groove at the boundary between the waist wall and the sleeve wall, and a step of forming a groove at the boundary between the sleeve wall and the column,
Filling a groove formed in each of the above steps with a static crushing agent, wherein a desired existing wall is removed by an expansion pressure of the 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複
数の溝を設け、この溝の一つに静的破砕剤を充填し、限
定はつりを行うと共に、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１記載の既存壁の静的破砕除
去工法。3. 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, a plurality of grooves are provided at the boundary between the sleeve wall and the beam, and one of the grooves is statically mounted. 2. The method for statically crushing and removing an existing wall according to claim 1, wherein the crushing agent is filled, the hanging is limited, 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
梁との境界部に複数の溝を設け、この溝の一つに静的破
砕剤を充填し、限定はつりを行うと共に、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１記載の既存
壁の静的破砕除去工法。4. A step of forming a groove at a boundary between the upper end of the hanging wall and the sleeve wall and the beam and a step of forming a groove at a boundary between the lower end of the waist wall and the sleeve wall and the beam. A plurality of grooves are provided at the boundary between the wall and the upper and lower beams, and one of these grooves is filled with a static crushing agent, limiting is performed, and a cutting line is formed in the middle part of the sleeve wall. The method for statically crushing and removing existing walls according to claim 1.
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、限定はつりを行う事を
特徴とする請求項１記載の既存壁の静的破砕除去工法。5. In the step of forming a groove at the boundary between the sleeve wall and the column, a plurality of grooves are formed in an intermediate portion of the sleeve wall, and one of the grooves is filled with a static crushing agent. The method for statically crushing and removing an existing wall according to claim 1, wherein the hanging is performed.
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 true JPH11210236A (en) | 1999-08-03 |
| JP3190611B2 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) |
Cited By (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
Cited By (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 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3190611B2 (en) | 2001-07-23 |
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