JPH0925796A - Sticking method for waterproof sheet and projection shaft for penetrating waterproof sheet - Google Patents
Sticking method for waterproof sheet and projection shaft for penetrating waterproof sheetInfo
- Publication number
- JPH0925796A JPH0925796A JP7173696A JP17369695A JPH0925796A JP H0925796 A JPH0925796 A JP H0925796A JP 7173696 A JP7173696 A JP 7173696A JP 17369695 A JP17369695 A JP 17369695A JP H0925796 A JPH0925796 A JP H0925796A
- Authority
- JP
- Japan
- Prior art keywords
- waterproof sheet
- shaft
- hole
- protruding shaft
- tip
- 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.)
- Pending
Links
Landscapes
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、例えばトンネルの
１次覆工層に防水シートを貼設する際の防水シートの貼
設方法及びそれに用いる防水シート貫通用の突軸に関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a waterproof sheet sticking method for sticking a waterproof sheet to, for example, a primary lining layer of a tunnel, and a protruding shaft for penetrating the waterproof sheet used therein.
【０００２】[0002]
【従来の技術】トンネルにおける、例えば１次覆工コン
クリート又はセグメントからなる１次覆工層の表面に防
水シートを貼設するための装置としては、特開平５-２
４８１８９号公報に開示されているようなものがある。2. Description of the Related Art An apparatus for attaching a waterproof sheet to the surface of a primary lining layer made of, for example, primary lining concrete or segments in a tunnel is disclosed in Japanese Patent Application Laid-Open No. 5-2.
There is one disclosed in Japanese Patent No. 48189.
【０００３】この装置は、釘等により１次覆工層に固定
されるとともに、頭部を有する固定部材と、防水シート
を介して固定部材の頭部と嵌合可能な溝部を有する係合
部材とからなり、頭部と溝部の嵌合面をテーパ状とした
ものである。This device is fixed to the primary lining layer with nails or the like, and has an engaging member having a fixing member having a head and a groove capable of fitting with the head of the fixing member via a waterproof sheet. And the fitting surface of the head and the groove is tapered.
【０００４】この装置によれば、固定部材を装着した１
次覆工層の内面を防水シートで覆い、さらにその内側か
ら、係合部材の溝部を防水シートを介して固定部材の頭
部に嵌合することにより、防水シートを固定部材と係合
部材の間に挾持することができるとともに、係合部材に
２次覆工コンクリート打設用の吊鉄筋を固定することが
できる。According to this device, the fixing member 1 is attached.
The inner surface of the next lining layer is covered with a waterproof sheet, and the groove portion of the engaging member is fitted to the head portion of the fixing member via the waterproof sheet from the inside thereof, whereby the waterproof sheet of the fixing member and the engaging member is formed. In addition to being able to be held between them, it is possible to fix the suspension rebar for the secondary lining concrete pouring to the engaging member.
【０００５】[0005]
【発明が解決しようとする課題】上述の装置にあって
は、防水シートを固定部材と係合部材との間に確実に挾
持するため、固定部材と係合部材をともに大型としなけ
ればならず、装置の重量が大きくなるとともに、装置全
体としてコスト高となる。In the above-mentioned device, both the fixing member and the engaging member must be large in size in order to reliably sandwich the waterproof sheet between the fixing member and the engaging member. However, the weight of the device increases and the cost of the device as a whole increases.
【０００６】しかも、トンネル等に防水シートを貼設す
る際には、上述の装置を相当数必要とするため、その影
響は極めて大きい。Moreover, when a waterproof sheet is attached to a tunnel or the like, a considerable number of the above-mentioned devices are required, so that the influence thereof is extremely large.
【０００７】また、固定部材の１次覆工層への固定を、
釘等により行っているので、作業性が悪かった。Further, the fixing of the fixing member to the primary lining layer,
Since it is done with nails, workability was poor.
【０００８】本発明は、上述のような問題点に鑑みてな
されたものであり、必要な装置を著しく小型化できると
ともに、作業性のよい防水シートの貼設方法および防水
シート貫通用の突軸を提供することを目的としている。The present invention has been made in view of the above-mentioned problems, and can reduce the size of a required device remarkably, and also has a workable method of attaching a waterproof sheet and a protruding shaft for penetrating the waterproof sheet. Is intended to provide.
【０００９】[0009]
【課題を解決するための手段】本発明によると、上記課
題は、次のようにして解決される。 (１) 防水シートを貼設しようとする外壁構造物の表面
に、先端に穿孔用ポンチが形成された突軸を突設した
後、外壁構造物の表面と前記突軸とを防水シートで覆
い、該防水シートの一部を前記突軸の先端のポンチに押
しつけて穿孔し、かつその穿設した通孔に突軸を挿通さ
せた後、防水シートの突軸挿通部分をシールする。According to the present invention, the above-mentioned problem is solved as follows. (1) After a projecting shaft having a punch for punching formed at the tip is projected on the surface of the outer wall structure to which the waterproof sheet is to be attached, the surface of the outer wall structure and the projecting shaft are covered with the waterproof sheet. A part of the waterproof sheet is pressed against a punch at the tip of the protruding shaft to make a hole, and the protruding shaft is inserted into the through hole, and then the protruding shaft insertion portion of the waterproof sheet is sealed.
【００１０】(２) 上記(１)において、突軸に形成した
雄ねじ部に螺合させた受け板とナットとの間に防水シー
トとシール材とを挟み込んで、防水シートの突軸挿通部
分をシールする。(2) In the above (1), the waterproof sheet and the sealing material are sandwiched between the nut and the receiving plate screwed to the male screw portion formed on the protruding shaft, and the protruding shaft insertion portion of the waterproof sheet is inserted. Seal it.
【００１１】(３) 上記(１)または(２)項において、突
軸の先端部に、２次コンクリート打設用の鉄筋を結合す
る。(3) In the above item (1) or (2), a reinforcing rod for placing secondary concrete is joined to the tip of the protruding shaft.
【００１２】(４) 上記(１)〜(３)項のいずれかにおい
て、ナットの一端部を突軸の先端部に形成した雄ねじ部
に螺合し、かつナットの他端部に、鉄筋の基端部に設け
た雄ねじ部を螺合させて鉄筋を支持する。(4) In any one of the above items (1) to (3), one end of the nut is screwed into a male screw portion formed at the tip of the protruding shaft, and the other end of the nut is made of a rebar. A male screw provided on the base end is screwed to support the reinforcing bar.
【００１３】(５) 上記(１)〜(４)項のいずれかにおい
て、シール材を、水膨張ゴムと、少なくともその防水シ
ート当接面と反対側の側面を覆う押さえ板とを有するも
のとする。(5) In any one of the above items (1) to (4), the sealing material has a water-expandable rubber and a pressing plate that covers at least the side surface opposite to the waterproof sheet contact surface. To do.
【００１４】(６) 上記実施例の実施に直接使用する防
水シート貫通用の突軸は、基端部に外壁構造物の表面へ
の取付部を有し、かつ先端部に防水シート穿孔用のポン
チを形成したものとする。(6) The salient shaft for penetrating a waterproof sheet used directly for carrying out the above-mentioned embodiment has a mounting portion to the surface of the outer wall structure at the base end portion, and has a tip portion for perforating the waterproof sheet. It is assumed that a punch is formed.
【００１５】(７) 上記(６)項において、基端部を、外
壁構造物の表面に穿設したねじ孔に螺合する雄ねじ部と
する。(7) In the above item (6), the base end portion is a male screw portion screwed into a screw hole formed in the surface of the outer wall structure.
【００１６】(８) 上記(６)において、基端部に基板を
固着し、この基板を、外壁構造物に固着するようにす
る。(8) In the above (6), the substrate is fixed to the base end portion, and the substrate is fixed to the outer wall structure.
【００１７】[0017]
【発明の実施の形態】以下、本発明(全請求項の発明)の
第１実施例を、トンネル施工時における防水シートの貼
設作業に適用した場合について、図１〜図５を参照しな
がら説明する。BEST MODE FOR CARRYING OUT THE INVENTION A first embodiment of the present invention (all claims) will be described below with reference to FIGS. 1 to 5 for the case of applying a waterproof sheet during tunnel construction. explain.
【００１８】図１は、セグメント方式のトンネルの施工
の途中の状況を示す縦断斜視図である。FIG. 1 is a vertical perspective view showing a situation in the middle of construction of a segment type tunnel.
【００１９】(１)は、地山(Ａ)に掘削した掘削孔であっ
て、掘削孔(１)の内面に沿って、予め弧状に湾曲するよ
うに形成した多数の外壁構造物であるコンクリートセグ
メント(以下単にセグメントという)(３)を、全体として
ほぼ円筒状をなすようにボルト(図示略)またはその他の
適宜の結合手段により順次結合して、１次覆工層(２)を
形成する。Reference numeral (1) is a drill hole drilled in the ground (A), and is a concrete structure which is a large number of outer wall structures formed along the inner surface of the drill hole (1) so as to be curved in an arc shape in advance. The segments (hereinafter simply referred to as "segments") (3) are sequentially joined by bolts (not shown) or other appropriate joining means so as to form a substantially cylindrical shape as a whole, to form the primary lining layer (2). .
【００２０】１次覆工層(２)と掘削孔(１)の内面との間
には、必要に応じてモルタル(４)を注入する。Mortar (4) is injected between the primary lining layer (2) and the inner surface of the drill hole (1), if necessary.
【００２１】各セグメント(３)の内面適所には、セグメ
ント(３)同士をボルトにより結合するための複数の方形
の凹部(５)の他に、底部にナット(６)が埋め込まれた凹
入孔(７)が形成されている。この凹入孔(７)とナット
(６)は、本来は、セグメント(３)運搬用器具のボルト
(図示略)をナット(６)のねじ孔(6a)に螺合して、セグメ
ント(３)を運搬するためのものである。At appropriate places on the inner surface of each segment (3), in addition to a plurality of rectangular recesses (5) for connecting the segments (3) to each other by bolts, a recess having a nut (6) embedded in the bottom is formed. A hole (7) is formed. This recessed hole (7) and nut
Originally, (6) is the bolt of the transportation equipment for the segment (3).
It is for carrying the segment (3) by screwing (not shown) into the screw hole (6a) of the nut (6).
【００２２】図２〜４は、セグメント(３)に防水シート
(Ｓ)を貼設する過程を示すものである。防水シート(Ｓ)
を貼設するには、まず上記ねじ孔(6a)に、突軸(８)の基
端部に形成した雄ねじ部(8a)を螺合して、突軸(８)をセ
グメント(３)に突設する。この突軸(８)は、少なくとも
凹入孔(７)の深さより長寸であり、図５に拡大して示す
ように、若干先細りテーパ状とした先端には、有底孔
(９)の開口縁部をナイフエッジ状としたポンチ(8b)が形
成され、また先端から所要範囲の外周面には、雄ねじ部
(8c)が穿設されている。2 to 4 show that the segment (3) has a waterproof sheet.
It shows a process of attaching (S). Waterproof sheet (S)
In order to attach, the male screw part (8a) formed at the base end of the protruding shaft (8) is screwed into the screw hole (6a), and the protruding shaft (8) is attached to the segment (3). To project. This projecting shaft (8) is at least longer than the depth of the recessed hole (7), and as shown in the enlarged view of FIG.
A punch (8b) in which the opening edge of (9) has a knife edge shape is formed, and a male screw part is formed on the outer peripheral surface in a required range from the tip.
(8c) is drilled.
【００２３】(10)は、少なくとも凹入孔(７)の開口面よ
り大型とした閉塞板であり、その中央部には通孔(11)が
穿設されており、この通孔(11)を突軸(８)に通して、周
縁部をセグメント(３)の内面に当接することにより、凹
入孔(７)を塞ぐことができる。Reference numeral (10) is a closing plate which is at least larger than the opening surface of the recessed hole (7), and a through hole (11) is bored in the central portion thereof. It is possible to close the recessed hole (7) by passing the groove through the projecting shaft (8) and bringing the peripheral edge portion into contact with the inner surface of the segment (3).
【００２４】(12)は、中央部に一側方に突出するボス部
(12a)を有するとともに、その内側にねじ孔(13)が穿設
された円板状の受け板である。上記閉塞板(10)の通孔(1
1)を突軸(８)に通した後、この受け板(12)のねじ孔(13)
を突軸(８)の雄ねじ部(8c)に螺合することにより、閉塞
板(10)を凹入孔(７)を塞ぐように締め付けることができ
る。このとき、ボス部(12a)は突軸(８)の先端側を向く
ようにしている。(12) is a boss portion protruding to one side in the central portion
A disc-shaped receiving plate having (12a) and having a screw hole (13) formed inside thereof. Through-hole (1
After passing 1) through the protruding shaft (8), screw holes (13) of this receiving plate (12)
The closing plate (10) can be tightened so as to close the recessed hole (7) by screwing the screw into the male screw portion (8c) of the protruding shaft (8). At this time, the boss portion (12a) is directed toward the tip end side of the protruding shaft (8).
【００２５】この後、防水シート(Ｓ)でセグメント(３)
の内面を覆うが、凹入孔(７)がある個所では、突軸(８)
が内方に突出しているので、この部分では防水シート
(Ｓ)が山形に***するようになる(図２)。Thereafter, the waterproof sheet (S) is used to attach the segment (3).
The inner surface of the shaft is covered, but at the place with the recessed hole (7), the protruding shaft (8)
Since it protrudes inward, the tarpaulin is
(S) comes to rise in a mountain shape (Fig. 2).
【００２６】このような防水シート(Ｓ)の頂部を、例え
ば木づち(７)等で軽く叩くと、防水シート(Ｓ)は突軸
(８)のポンチ(8b)に押圧されて、通孔(14)が形成され
る。この通孔(14)をそのまま突軸(８)に通すことによ
り、防水シート(Ｓ)をセグメント(3)側に寄せる(図
４)。When the top of such a waterproof sheet (S) is lightly tapped with, for example, a wood hammer (7) or the like, the waterproof sheet (S) becomes a salient shaft.
The punch (8b) of (8) is pressed to form the through hole (14). The waterproof sheet (S) is moved to the segment (3) side by passing the through hole (14) through the protruding shaft (8) as it is (FIG. 4).
【００２７】(15)は、シール部材であり、一側方に開口
する開口縁部に外向きのフランジ(16a)を有するととも
に、中央に通孔(16b)が穿設されたカップ状の押え板(1
6)と、その内部に嵌合され、かつ押え板(16)の通孔(16
b)と整合する通孔(17a)が形成された公知の水膨張ゴム
(17)からなっている。なお、押え板(16)は、水膨張ゴム
(17)の一側面を覆うだけの円板状のものとしてもよい。Reference numeral (15) is a seal member, which is a cup-shaped presser having an outwardly facing flange (16a) at an opening edge portion open to one side and a through hole (16b) formed at the center. Board (1
6) and the through hole (16
A well-known water-expandable rubber in which a through hole (17a) matching with b) is formed
It consists of (17). The pressing plate (16) is made of water-expandable rubber.
(17) It may be a disk-shaped one that covers only one side surface.
【００２８】突軸(８)に水膨張ゴム(17)の通孔(17a)及
び押え板(16)の通孔(16a)を順次挿通させて、押え板(1
6)のフランジ(16a)を防水シート(Ｓ)に当接させた後、
長寸のナット(18)の内部のねじ孔(18a)の約半分程度を
突軸(８)の雄ねじ部(8c)に螺合し、シール部材(15)を防
水シート(Ｓ)に押圧することにより、防水シート(Ｓ)の
通孔(14)と突軸(８)の間のシールが果たされるととも
に、防水シート(Ｓ)が受け板(12)とシール部材(15)とに
より挾持され、防水シート(Ｓ)がセグメント(３)に確実
に取付けられる。なお、必要に応じて、防水シート(Ｓ)
の他部を、面ファスナ、接着剤等をもって、セグメント
(３)の内面に止着してもよい。The through hole (17a) of the water-expandable rubber (17) and the through hole (16a) of the holding plate (16) are successively inserted into the protruding shaft (8) to sequentially insert the holding plate (1).
After contacting the flange (16a) of 6) with the waterproof sheet (S),
About half of the screw hole (18a) inside the long nut (18) is screwed into the male screw part (8c) of the protruding shaft (8), and the seal member (15) is pressed against the waterproof sheet (S). As a result, the seal between the through hole (14) of the waterproof sheet (S) and the protruding shaft (8) is achieved, and the waterproof sheet (S) is held by the receiving plate (12) and the seal member (15). , The waterproof sheet (S) is securely attached to the segment (3). In addition, if necessary, a waterproof sheet (S)
Segment the other part with hook and loop fasteners, adhesive, etc.
It may be attached to the inner surface of (3).
【００２９】(19)は、先端部がＬ字状に折曲されるとと
もに、基端部に雄ねじ部(19a)が形成された２次コンク
リート打設用の吊鉄筋であり、雄ねじ部(19a)をナット
(18)のねじ孔(18a)の残りの部分に螺合することによ
り、ナット(18)を介して突軸(８)の先端部に結合され
る。この吊鉄筋(19)には、図４のように、さらに他の鉄
筋(20)が、組付けられるが、同図に想像線で示すように
鉄筋(20)をナット(18)に直接固着してもよい。これらの
鉄筋(19)(20)を組み付けた後、そのさらに内方にコンク
リート型枠(図示略)を構築して、その型枠と防水シート
(Ｓ)との間に２次覆工用コンクリートを打設する。Reference numeral (19) is a suspension rebar for placing concrete, which has an L-shaped tip and a male screw portion (19a) formed at the base end. ) The nut
By screwing into the remaining portion of the screw hole (18a) of (18), it is coupled to the tip end of the protruding shaft (8) via the nut (18). As shown in FIG. 4, another reinforcing bar (20) is attached to the hanging reinforcing bar (19), but the reinforcing bar (20) is directly fixed to the nut (18) as shown by an imaginary line in the figure. You may. After assembling these rebars (19) (20), a concrete formwork (not shown) is built further inward, and the formwork and the waterproof sheet.
Place secondary lining concrete between (S).
【００３０】本実施例では、セグメント(３)等の１次覆
工層(２)に突設した突軸(８)の先端に形成したポンチ(8
b)を利用して、防水シート(Ｓ)に通孔(14)を形成し、こ
の通孔(14)をそのまま突軸(８)に通すことにより、防水
シート(Ｓ)の位置決めを図るとともに、防水シート(Ｓ)
を受け板(12)とシール部材(15)とにより挟んで、防水シ
ート(Ｓ)における突軸(８)の貫通部のシールを図ること
ができ、しかも用いる器材を著しく小型化及び軽量化す
ることができ、結果的にコストを低く抑えることができ
る。In this embodiment, the punch (8) formed at the tip of the protruding shaft (8) protruding from the primary lining layer (2) such as the segment (3)
Using b), a through hole (14) is formed in the waterproof sheet (S), and the through hole (14) is passed through the protruding shaft (8) as it is, so that the waterproof sheet (S) is positioned. , Waterproof sheet (S)
By sandwiching between the receiving plate (12) and the seal member (15), the penetrating portion of the protruding shaft (8) in the waterproof sheet (S) can be sealed, and the equipment used can be made significantly smaller and lighter. As a result, the cost can be kept low.
【００３１】また、釘を用いずに、ねじ孔と雄ねじ部を
利用して各部材を固定しているので、作業が容易であ
る。さらに、セグメント(３)側から進入した勇水が、防
水シート(Ｓ)の通孔(14)と突軸(８)との間隙に流入し
て、水膨張ゴム(10)に接触すると、水膨張ゴム(10)が膨
張して、防水シート(Ｓ)の通孔(14)と突軸(８)との間隙
を確実にシールするようになり、しかも受け板(６)と閉
塞板(10)により、防水シート(Ｓ)が凹入孔(７)に落ち込
むのが阻止される。Further, since each member is fixed by using the screw hole and the male screw portion without using the nail, the work is easy. Furthermore, if the brackish water that has entered from the segment (3) side flows into the gap between the through hole (14) of the waterproof sheet (S) and the protruding shaft (8) and comes into contact with the water expansion rubber (10), The expansion rubber (10) expands to surely seal the gap between the through hole (14) of the waterproof sheet (S) and the protruding shaft (8), and further, the receiving plate (6) and the closing plate (10). ) Prevents the waterproof sheet (S) from falling into the recessed hole (7).
【００３２】なお、本実施例では凹入孔(７)を覆う閉塞
板(10)を用いているが、これを省略することもあり、こ
のようにしても防水シート(Ｓ)は、受け板(12)によって
凹入孔(７)に落ち込むのが阻止される。また凹入孔(７)
を設けないで、ナット(６)のねじ孔(6a)が直接セグメン
ト(３)の内面に露呈するようにしたものもあり、そのよ
うな場合には、閉塞板(10)を省略することはいうまでも
ない。In this embodiment, the closing plate (10) for covering the recessed hole (7) is used, but it may be omitted. Even in this case, the waterproof sheet (S) has a receiving plate. (12) is prevented from falling into the recessed hole (7). Recessed hole (7)
There is also one in which the screw hole (6a) of the nut (6) is exposed directly to the inner surface of the segment (3) without providing the nut (6). In such a case, it is not necessary to omit the closing plate (10). Needless to say.
【００３３】次に本発明(請求項１、３〜６、及び８の
発明)を建築物の地下構造の施工に適用した第２実施例
を、図６を参照して説明する。Next, a second embodiment in which the present invention (the invention of claims 1, 3 to 6 and 8) is applied to the construction of an underground structure of a building will be described with reference to FIG.
【００３４】この実施例においては、支保工すなわち複
数のＨ型鋼(21)を所要間隔を隔てて地面(22)に打ち込
み、隣り合うＨ型鋼(21)の間に、土止めとして横矢板(2
3)を入れながら、所要深さまで開掘する。In this embodiment, a supporting work, that is, a plurality of H-shaped steels (21) are driven into the ground (22) at a required interval, and a horizontal sheet pile (2) is used as an earth stopper between adjacent H-shaped steels (21).
While putting 3), excavate to the required depth.
【００３５】次に、外壁構造物であるＨ型鋼(21)(又は
横矢板(23)でも可)の表面適所に、先端部に第１実施例
のものと同様のポンチ(24a)を形成した突軸(24)の基端
部を溶接等により固着した基板(25)を、溶接、接着剤又
はその他の手段により固着する。この実施例の突軸(24)
は、その外周面のほぼ全体に雄ねじ部(24b)を形成した
ものとしてある。Next, a punch (24a) similar to that of the first embodiment is formed at the tip of the H-shaped steel (21) (or the horizontal sheet pile (23)) which is the outer wall structure, at the proper place on the surface. The substrate (25) to which the base end portion of the protruding shaft (24) is fixed by welding or the like is fixed by welding, an adhesive, or other means. Projection shaft of this embodiment (24)
Has a male screw portion (24b) formed on almost the entire outer peripheral surface thereof.
【００３６】次に、突軸(24)を突設したＨ型鋼(21)及び
横矢板(23)の表面を、勇水の通水路を形成するための布
材(26)と防水シート(Ｓ)とにより覆い、それらの突軸(2
4)の先端を覆う部分を、第１実施例の場合と同様に木づ
ち等により軽く叩くことにより、布材(26)と防水シート
(Ｓ)とに通孔(27)を形成する。Next, on the surface of the H-shaped steel (21) and the side sheet pile (23) provided with the protruding shaft (24), a cloth material (26) for forming a water passage for the brackish water and a waterproof sheet (S). ) And their protruding axes (2
As in the case of the first embodiment, the portion covering the tip of 4) is lightly tapped with a wooden stick or the like to give a cloth material (26) and a waterproof sheet.
A through hole (27) is formed in (S).
【００３７】その通孔(27)に突軸(24)を通した後は、第
１実施例と同様に、突軸(24)にシール部材(28)を通し、
かつその後からナット(29)を突軸(24)の雄ねじ部(24b)
に螺合して、基板(25)とナット(29)との間に、布材(2
6)、防水シート(Ｓ)及びシール部材(28)を挾み込み、そ
れらを締め付けて固定する。After passing the protruding shaft (24) through the through hole (27), the seal member (28) is passed through the protruding shaft (24) as in the first embodiment.
Then, after that, attach the nut (29) to the male screw part (24b) of the protruding shaft (24).
Screw it onto the cloth (2) between the board (25) and the nut (29).
6) Insert the waterproof sheet (S) and the seal member (28) and tighten them to fix them.
【００３８】その後は、第１実施例のものと同様に、ナ
ット(29)に吊鉄筋(30)の雄ねじ部(30a)を螺合させて、
吊鉄筋(30)を支持する。Thereafter, as in the first embodiment, the nut (29) is screwed onto the male screw portion (30a) of the suspension bar (30),
Support the hanging rebar (30).
【００３９】上記布材(26)は、通常不織布又は織布が用
いられ、それらは防水シート(Ｓ)より切断しにくいが、
突軸(24)に設けたポンチ(24a)を利用することにより、
容易に通孔(27)を形成することができる。The above-mentioned cloth material (26) is usually a non-woven fabric or a woven cloth, which are more difficult to cut than the waterproof sheet (S),
By using the punch (24a) provided on the protruding shaft (24),
The through hole (27) can be easily formed.
【００４０】この第２実施例のようにしても、第１実施
例の場合と同様の作用及び効果を奏することができる。
なお、第１実施例において、セグメント(３)にねじ孔(6
a)が設けられていない場合には、第２実施例のものと同
様に、突軸の基端部に基板を設け、その基板をセグメン
ト(３)に固定するのがよい。Even in the case of the second embodiment, the same operation and effect as in the case of the first embodiment can be obtained.
In addition, in the first embodiment, the screw holes (6
If a) is not provided, it is preferable to provide a substrate at the base end portion of the protruding shaft and fix the substrate to the segment (3) as in the second embodiment.
【００４１】[0041]
【発明の効果】本発明によれば、次のような効果を奏す
ることができる。 (ａ) 突軸に設けたポンチを利用して、防水シートの任
意の部分に、切断部がきれいな通孔を簡単に穿設するこ
とができるので、通孔の部分から防水シートに亀裂等が
生じにくく、また防水シートにおける突軸の貫通部のシ
ールを容易に行うことができる(請求項１)。According to the present invention, the following effects can be obtained. (a) By using a punch provided on the protruding shaft, it is possible to easily form a through hole with a clean cut portion at an arbitrary portion of the waterproof sheet, so that the waterproof sheet is not cracked from the through hole portion. It is unlikely to occur, and the penetration portion of the protruding shaft in the waterproof sheet can be easily sealed (Claim 1).
【００４２】(ｂ) ポンチにより防水シートに通孔を穿
設するのと同時に、その通孔に防水シートをそのまま挿
通させることができ、作業性がよい(請求項１)。(B) The waterproof sheet can be inserted into the through hole at the same time when the through hole is formed in the waterproof sheet by the punch, and the workability is good (claim 1).
【００４３】(ｃ) 突軸やシール部材は、上述の従来の
装置に比して著しく小型、軽量化することができるとと
もに、コストを低減することができる(請求項１)。(C) The protruding shaft and the seal member can be remarkably reduced in size and weight as compared with the above-mentioned conventional device, and the cost can be reduced (Claim 1).
【００４４】(ｄ) 請求項２記載の発明のような構成と
すれば、防水シートの突軸貫通部分のシールを簡単かつ
確実に行うことができる。(D) With the structure as in the second aspect of the invention, the portion of the waterproof sheet penetrating the protruding shaft can be easily and surely sealed.
【００４５】(ｅ) 請求項３記載の発明のような構成と
すれば、２次コンクリート打設用の鉄筋を確実に支持す
ることができ、２次コンクリート打設時に、鉄筋の支持
部分が外れたり、位置ずれしたりするおそれがない。(E) With the structure as claimed in claim 3, the reinforcing bars for secondary concrete pouring can be reliably supported, and the supporting parts of the reinforcing bars come off during secondary concrete pouring. There is no risk of misalignment or displacement.
【００４６】(ｆ) 請求項４記載の発明のような構成と
すれば、鉄筋の支持がさらに確実になるとともに、単一
のナットを、シール材の締め付けと鉄筋の結合との両方
に用いることができ、都合がよい。(F) With the structure as claimed in claim 4, the support of the reinforcing bar is further ensured, and a single nut is used for both tightening the sealing material and connecting the reinforcing bars. It is convenient and convenient.
【００４７】(ｇ) 請求項５記載の発明のような構成と
すれば、防水シートの突軸貫通部分のシールを簡単かつ
確実に行うことができる。(G) With the structure of the fifth aspect of the invention, it is possible to easily and reliably seal the protruding shaft penetrating portion of the waterproof sheet.
【００４８】(ｈ) 請求項６記載の発明のような構成と
すれば、突軸を、トンネルの施工だけでなく、建築物の
地下構造の施工時等に外壁構造物の表面に簡単に取り付
けて、防水シートの貼設作業を簡単に行うことができ
る。(H) According to the invention as defined in claim 6, the salient shaft can be easily attached to the surface of the outer wall structure not only when constructing a tunnel but also when constructing an underground structure of a building. Thus, the work of attaching the waterproof sheet can be easily performed.
【００４９】(ｉ) 請求項７記載の発明のような構成と
すれば、特に、セグメント方式のトンネル施工におい
て、セグメントの内面に穿設されたセグメント搬送用の
ねじ孔を利用して、突軸をセグメントに取り付けること
ができるので便利である。(I) According to the configuration of the invention as defined in claim 7, particularly in the segment type tunnel construction, the projecting shaft is utilized by utilizing the screw hole for transporting the segment formed in the inner surface of the segment. Is convenient because it can be attached to the segment.
【００５０】(ｊ) 請求項８記載の発明のような構成と
すれば、ねじ孔を有していない外壁構造物にも、突軸を
簡単に取り付けることができる。(J) With the structure according to the invention described in claim 8, the protruding shaft can be easily attached to the outer wall structure having no screw hole.
【図１】本発明の第１実施例であるセグメント方式のト
ンネルの施工途中の状況を示す要部の縦断斜視図であ
る。FIG. 1 is a longitudinal perspective view of a main part showing a situation in the middle of construction of a segment type tunnel which is a first embodiment of the present invention.
【図２】同じくセグメントに突軸を装着して、その内面
を防水シートにより覆った状態を示す要部の縦断側面図
である。FIG. 2 is a vertical cross-sectional side view of essential parts showing a state in which a salient shaft is likewise attached to a segment and an inner surface thereof is covered with a waterproof sheet.
【図３】同じく防水シートに通孔を穿設した状態を示す
縦断側面図である。FIG. 3 is a vertical sectional side view showing a state in which a through hole is also formed in the waterproof sheet.
【図４】同じく突軸に鉄筋を組み付けた状態を示す縦断
側面図である。FIG. 4 is a vertical cross-sectional side view showing a state in which a reinforcing bar is also attached to the salient shaft.
【図５】同じく突軸の一例を示す拡大斜視図である。FIG. 5 is an enlarged perspective view showing an example of a protruding shaft of the same.
【図６】本発明の第２実施例である地下構造物の施工途
中の状態を示す要部の縦断斜視図である。FIG. 6 is a longitudinal perspective view of a main part showing a state in the middle of construction of an underground structure which is a second embodiment of the present invention.
(Ａ)地山 (Ｓ)防水シート (１)掘削孔 (２)１次覆工層 (３)コンクリートセグメント(セグメント)(外壁構造物) (４)モルタル (５)凹部 (６)ナット (6a)ねじ孔 (７)凹入孔 (８)突軸 (8a)雄ねじ部 (8b)ポンチ (8c)雄ねじ部 (９)有底孔 (10)閉塞板 (11)通孔 (12)受け板 (12a)ボス部 (13)ねじ孔 (14)通孔 (15)シール部材 (16)押え板 (16a)フランジ (16b)通孔 (17)水膨張ゴム (17a)通孔 (18)ナット (18a)ねじ孔 (19)吊鉄筋 (19a)雄ねじ部 (20)鉄筋 (21)Ｈ型鋼(外壁構造物) (22)地面 (23)横矢板 (24)突軸 (24a)ポンチ (24b)雄ねじ部 (25)基板 (26)布材 (27)通孔 (28)シール部材 (29)ナット (30)吊鉄筋 (30a)雄ねじ部 (A) Ground (S) Waterproof sheet (1) Excavation hole (2) Primary lining layer (3) Concrete segment (segment) (outer wall structure) (4) Mortar (5) Recess (6) Nut (6a) ) Screw hole (7) Recessed hole (8) Projection shaft (8a) Male screw part (8b) Punch (8c) Male screw part (9) Bottom hole (10) Closure plate (11) Through hole (12) Receiving plate ( 12a) Boss (13) Screw hole (14) Through hole (15) Seal member (16) Holding plate (16a) Flange (16b) Through hole (17) Water expansion rubber (17a) Through hole (18) Nut (18a) ) Screw hole (19) Suspended rebar (19a) Male thread (20) Reinforcing bar (21) H-shaped steel (outer wall structure) (22) Ground (23) Cross sheet (24) Projection shaft (24a) Punch (24b) Male thread (25) Board (26) Cloth (27) Through hole (28) Seal member (29) Nut (30) Suspended rebar (30a) Male thread
───────────────────────────────────────────────────── フロントページの続き (72)発明者 飯坂 尚 東京都大田区南馬込三丁目３番６号 (72)発明者 斉藤 昭彦 横浜市青葉区あざみ野３−32−47 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Takashi Iizaka 3-3-6 Minamimagome, Ota-ku, Tokyo (72) Inventor Akihiko Saito 3-32-47 Azamino, Aoba-ku, Yokohama
Claims (8)
物の表面に、先端に穿孔用ポンチが形成された突軸を突
設した後、外壁構造物の表面と前記突軸とを防水シート
で覆い、該防水シートの一部を前記突軸の先端のポンチ
に押しつけて穿孔し、かつその穿設した通孔に突軸を挿
通させた後、防水シートの突軸挿通部分をシールするこ
とを特徴とする防水シートの貼設方法。1. A waterproof sheet, comprising: a projection shaft having a punch for punching formed at its tip on the surface of an outer wall structure to which a waterproof sheet is to be attached; and thereafter, the surface of the outer wall structure and the projection shaft. A part of the waterproof sheet is pressed against a punch at the tip of the protruding shaft to make a hole, and the protruding shaft is inserted into the through hole, and then the protruding shaft insertion part of the waterproof sheet is sealed. A method of attaching a waterproof sheet, characterized by:
け板とナットとの間に防水シートとシール材とを挟み込
んで、防水シートの突軸挿通部分をシールすることを特
徴とする請求項１記載の防水シートの貼設方法。2. A waterproof sheet and a sealing material are sandwiched between a nut and a receiving plate screwed to a male screw portion formed on the salient shaft to seal the salient shaft insertion portion of the waterproof sheet. The method for attaching the waterproof sheet according to claim 1.
用の鉄筋を結合することを特徴とする請求項１または２
記載の防水シートの貼設方法。3. The reinforcing rod for placing secondary concrete is connected to the tip of the salient shaft.
How to attach the described waterproof sheet.
た雄ねじ部に螺合し、かつナットの他端部に、鉄筋の基
端部に設けた雄ねじ部を螺合させて鉄筋を支持するよう
にした請求項１〜３のいずれかに記載の防水シートの貼
設方法。4. A rebar is formed by screwing one end of a nut into a male screw formed on the tip of a protruding shaft, and screwing into the other end of the nut a male screw provided at the base of the rebar. The method for attaching the waterproof sheet according to claim 1, wherein the waterproof sheet is supported.
その防水シート当接面と反対側の側面を覆う押え板とを
有するものとした請求項１〜４のいずれかに記載の防水
シートの貼設方法。5. The waterproof sheet according to any one of claims 1 to 4, wherein the sealing material has water-expandable rubber and a holding plate that covers at least a side surface of the rubber sheet that is opposite to the waterproof sheet contact surface. How to paste.
有し、かつ先端部に防水シート穿孔用のポンチを形成し
た防水シート貫通用の突軸。6. A waterproof sheet penetrating salient shaft having a base end portion for attaching to the surface of an outer wall structure and a tip portion formed with a punch for punching a waterproof sheet.
ねじ孔に螺合する雄ねじ部とした請求項６記載の防水シ
ート貫通用の突軸。7. The protruding shaft for penetrating a waterproof sheet according to claim 6, wherein the base end portion is a male screw portion screwed into a screw hole formed in the surface of the outer wall structure.
壁構造物に固着するようにした請求項６記載の防水シー
ト貫通用の突軸。8. A protruding shaft for penetrating a waterproof sheet according to claim 6, wherein a substrate is fixed to the base end portion, and the substrate is fixed to the outer wall structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7173696A JPH0925796A (en) | 1995-07-10 | 1995-07-10 | Sticking method for waterproof sheet and projection shaft for penetrating waterproof sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7173696A JPH0925796A (en) | 1995-07-10 | 1995-07-10 | Sticking method for waterproof sheet and projection shaft for penetrating waterproof sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0925796A true JPH0925796A (en) | 1997-01-28 |
Family
ID=15965427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7173696A Pending JPH0925796A (en) | 1995-07-10 | 1995-07-10 | Sticking method for waterproof sheet and projection shaft for penetrating waterproof sheet |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0925796A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001193089A (en) * | 2000-01-14 | 2001-07-17 | Yoshida Kensetsu Kogyo Kk | Waterproofing method for continuous underground wall |
| JP2016017290A (en) * | 2014-07-05 | 2016-02-01 | 鋭一 菅野 | Concrete mold support tool |
| JP2018071144A (en) * | 2016-10-27 | 2018-05-10 | 株式会社イザキ | Method for constructing underground concrete structure, and underground concrete structure |
| CN110747872A (en) * | 2019-10-23 | 2020-02-04 | 东方雨虹智能装备有限责任公司 | Deep grouting device and method |
-
1995
- 1995-07-10 JP JP7173696A patent/JPH0925796A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001193089A (en) * | 2000-01-14 | 2001-07-17 | Yoshida Kensetsu Kogyo Kk | Waterproofing method for continuous underground wall |
| JP2016017290A (en) * | 2014-07-05 | 2016-02-01 | 鋭一 菅野 | Concrete mold support tool |
| JP2018071144A (en) * | 2016-10-27 | 2018-05-10 | 株式会社イザキ | Method for constructing underground concrete structure, and underground concrete structure |
| CN110747872A (en) * | 2019-10-23 | 2020-02-04 | 东方雨虹智能装备有限责任公司 | Deep grouting device and method |
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