JP2005213921A - Waterproof structure of penetration member such as support penetrating waterproof sheet - Google Patents
Waterproof structure of penetration member such as support penetrating waterproof sheet Download PDFInfo
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- JP2005213921A JP2005213921A JP2004023521A JP2004023521A JP2005213921A JP 2005213921 A JP2005213921 A JP 2005213921A JP 2004023521 A JP2004023521 A JP 2004023521A JP 2004023521 A JP2004023521 A JP 2004023521A JP 2005213921 A JP2005213921 A JP 2005213921A
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- 230000000149 penetrating effect Effects 0.000 title claims description 38
- 230000035515 penetration Effects 0.000 title abstract description 10
- 230000002093 peripheral effect Effects 0.000 claims abstract description 24
- 239000003566 sealing material Substances 0.000 claims description 14
- 238000007789 sealing Methods 0.000 description 7
- 238000004078 waterproofing Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 238000003466 welding Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 230000000630 rising effect Effects 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 230000009194 climbing Effects 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Building Environments (AREA)
Abstract
Description
この発明は、陸屋根又はバルコニー床等の上面に防水シートが敷設された陸屋根住宅等において、防水シートを貫通して設置された各種支柱等の防水構造に関する。 The present invention relates to a waterproof structure such as various columns installed through a waterproof sheet in a flat roof house or the like in which a waterproof sheet is laid on the upper surface of a flat roof or a balcony floor.
従来より、陸屋根又は屋上バルコニーの床などを、支柱等の貫通部材が貫通して設置されることがある。そのようにして設置される支柱の例としては、アンテナ設置用のアンテナ支線を取り付けるための支柱、バルコニーの控え柱を立てるための支柱、屋上に登るための梯子の一端を固定するための支柱、太陽光発電パネル等の架台の柱脚を立てるための支柱、又はメンテナンス作業時の命綱を取り付けるための支柱などが挙げられる。 Conventionally, a penetrating member such as a column may be installed through a flat roof or a floor of a rooftop balcony. Examples of pillars installed in this way include a pillar for attaching an antenna branch line for antenna installation, a pillar for raising a balcony pillar, a pillar for fixing one end of a ladder for climbing the rooftop, A column for standing a column base of a pedestal such as a photovoltaic power generation panel or a column for attaching a lifeline at the time of maintenance work can be mentioned.
ここで、屋根又は床の上面に塩化ビニル樹脂などからなる防水シートが敷設されている場合は、上記の各種支柱等は防水シートを貫通することとなるため、その貫通部の水密性を確保するために何らかの防水処理を施す必要がある。 Here, when a waterproof sheet made of vinyl chloride resin or the like is laid on the top surface of the roof or floor, the above-mentioned various support pillars penetrate the waterproof sheet, so that the water tightness of the penetration portion is ensured. Therefore, it is necessary to apply some waterproofing treatment.
例えば、図7には、そのような防水シートの貫通部における従来の防水構造を示している。この従来例においては、アンテナ支線を取り付けるための支柱(51)が、陸屋根上面に敷設された防水シート(14)を貫通して設置されている。そして、円筒状の支柱本体(52)の貫通部には、円筒状の筒状防水部(56)とその筒状防水部(56)の周壁下端より外方に向かって張り出すフランジ部(57)とからなる防水部材(55)が設置されている。すなわち、防水部材(55)の筒状防水部(56)を支柱本体(52)に外嵌させることにより、支柱本体(2)外周面の露出部分を筒状防水部(56)で覆うとともに、フランジ部(57)下面を防水シート(14)の上面に載置した状態で溶着等により固定する。 For example, FIG. 7 shows a conventional waterproof structure in a penetration portion of such a waterproof sheet. In this conventional example, a column (51) for attaching an antenna branch line is installed through a waterproof sheet (14) laid on the upper surface of a flat roof. A cylindrical cylindrical waterproofing portion (56) and a flange portion (57) projecting outward from the lower end of the peripheral wall of the cylindrical waterproofing portion (56) are formed in the penetrating portion of the cylindrical column main body (52). ) Is provided. That is, by fitting the cylindrical waterproof part (56) of the waterproof member (55) to the column main body (52), the exposed part of the outer peripheral surface of the column main body (2) is covered with the cylindrical waterproof unit (56), The lower surface of the flange portion (57) is fixed by welding or the like with the lower surface being placed on the upper surface of the waterproof sheet (14).
この防水部材(55)は、防水シート(14)と同様の材質のものを材料として現場で加工して成形されており、材料の接合部分は防水施工業者によって溶着等の止水処理がなされている。さらに、筒状防水部(56)の外周面上端部と支柱本体(52)の上端に連結された基台(53)下面とに跨ってシーリング材(60)を付着することにより、支柱本体(52)の貫通部の水密性を確保するようにしている。 This waterproof member (55) is processed and molded on site using the same material as the waterproof sheet (14), and the joint portion of the material is subjected to water-stop treatment such as welding by a waterproofing contractor. Yes. Furthermore, by attaching the sealing material (60) across the upper end of the outer peripheral surface of the cylindrical waterproof part (56) and the lower surface of the base (53) connected to the upper end of the column main body (52), the column main body ( The water-tightness of the penetration part of 52) is ensured.
なお、特許文献1には、メンテナンス作業時の命綱を取り付けるための支柱について、図7と同様の防水構造が開示されている。 Note that Patent Document 1 discloses a waterproof structure similar to that shown in FIG. 7 for a support for attaching a lifeline during maintenance work.
しかし、図7に示す防水部材(55)は経年によって収縮するため、筒状防水部(56)の上端高さが次第に低くなってしまい、それに伴って、筒状防水部(56)上端部に付着されたシーリング材(60)が、下方へ引っ張られて切れ目が発生しやすくなってしまう。また、シーリング材(60)は、その断面形状が三角形状となるような状態で施工されているため、防水部材(55)の収縮に関わらず切れ目が生じやすくなっており、シーリング部分の防水性能を改善する必要があった。 However, since the waterproof member (55) shown in FIG. 7 shrinks over time, the upper end height of the cylindrical waterproof part (56) gradually decreases, and accordingly, the upper end part of the cylindrical waterproof part (56) The adhering sealant (60) is pulled downward, and breaks are likely to occur. In addition, the sealing material (60) is constructed so that its cross-sectional shape is a triangular shape, so breakage tends to occur regardless of the shrinkage of the waterproofing member (55), and the waterproof performance of the sealing part There was a need to improve.
さらに、防水部材(55)は、上記のように現場加工によって成形する必要があるため施工性が悪く、その現場加工における接合部分の防水性能は、防水施工業者の技量に委ねざるを得なかった。 Furthermore, since the waterproof member (55) needs to be molded by on-site processing as described above, the workability is poor, and the waterproof performance of the joint portion in the on-site processing has to be left to the skill of the waterproof construction contractor. .
そこで、この発明は、上記の不具合を解消して、屋根等の上面の防水シートを支柱等の貫通部材が貫通する構造において、その貫通部における防水性能を高めるとともに、施工性を向上させることができる防水構造を提供することを目的とする。 In view of this, the present invention eliminates the above-mentioned problems, and in a structure in which a penetrating member such as a support penetrates a waterproof sheet on the upper surface of a roof or the like, it can improve waterproof performance at the penetrating portion and improve workability. An object of the present invention is to provide a waterproof structure.
上記の課題を解決するため、この発明の防水構造は、支柱等の貫通部材が、屋根若しくは床の上面に敷設された防水シートを貫通して設けられ、その防水シート上面より上側の露出部分において貫通部材外周面が筒状の防水部に覆われた構造であって、その筒状防水部が下方へずれるのを防止する位置決め部が、筒状防水部の周壁上端部より内方に向かって突設されて、貫通部材の上端面に載置されてなることを特徴とする。 In order to solve the above-described problems, the waterproof structure of the present invention is provided with a penetrating member such as a support penetrating a waterproof sheet laid on the upper surface of a roof or a floor, and in an exposed portion above the upper surface of the waterproof sheet. The outer peripheral surface of the penetrating member is covered with a cylindrical waterproof part, and the positioning part that prevents the cylindrical waterproof part from shifting downward is inward from the upper end of the peripheral wall of the cylindrical waterproof part. It protrudes and is mounted on the upper end surface of the penetrating member.
また、前記位置決め部は、筒状防水部上端より内向きにフランジ状に突出して形成されている。 Further, the positioning portion is formed to protrude in a flange shape inward from the upper end of the cylindrical waterproof portion.
さらに、貫通部材の上方に配置されたシール受け面と貫通部材上端面との間の間隙に、シーリング材が充填されてなる。 Further, a sealing material is filled in the gap between the seal receiving surface disposed above the penetrating member and the upper end surface of the penetrating member.
またさらに、前記筒状防水部は、前記防水シート上面より立ち上がる下側筒状防水部と、その下側筒状防水部の少なくとも上端部に外嵌される上側筒状防水部とからなっている。 Still further, the cylindrical waterproof part is composed of a lower cylindrical waterproof part that rises from the upper surface of the waterproof sheet, and an upper cylindrical waterproof part that is externally fitted to at least the upper end of the lower cylindrical waterproof part. .
また、前記筒状防水部の周壁下端より外方に向かって張り出すフランジ部の下面が、前記防水シートの上面に載置されてなる。 Moreover, the lower surface of the flange part which protrudes outward from the peripheral wall lower end of the said cylindrical waterproof part is mounted in the upper surface of the said waterproof sheet.
さらに、前記上側筒状防水部と前記位置決め部とが一体に形成されている。またさらに、前記下側筒状防水部と前記フランジ部とが一体に形成されている。 Furthermore, the upper cylindrical waterproof part and the positioning part are integrally formed. Furthermore, the lower cylindrical waterproof part and the flange part are integrally formed.
加えて、アンテナ支線等を取り付けるための取付金具、バルコニー等の控え柱、又は各種架台の柱脚その他の部材が立設された基台が、貫通部材の上端面に連結されるか又は一体に設けられており、その基台下面が前記シール受け面とされている。 In addition, a mounting bracket for attaching antenna branch lines, etc., a stand column such as a balcony, or a base on which column bases and other members of various mounts are erected is connected to the upper end surface of the penetrating member or integrally formed The bottom surface of the base is provided as the seal receiving surface.
この発明によれば、筒状防水部が下方へずれるのを防止する位置決め部が、貫通部材の上端面に載置されるため、筒状防水部が経年により収縮したとしても、その筒状防水部の上端を下方へずれないように一定の高さに保持できる。従って、筒状防水部の上端部に付着したシーリング材は、筒状防水部の収縮に伴って下方へ引っ張られる恐れがなく切れ目が発生しにくいため、シーリング施工の防水性能を高めることができる。しかも、ステンレス製のバンド等による筒状防水部上端の固定作業が必ずしも必要でなくなるため、施工性の向上、コストの低減化及び意匠性の向上を図ることができる。 According to this invention, since the positioning portion that prevents the cylindrical waterproof portion from shifting downward is placed on the upper end surface of the penetrating member, even if the cylindrical waterproof portion contracts over time, the cylindrical waterproof portion The upper end of the portion can be held at a constant height so as not to shift downward. Accordingly, the sealing material attached to the upper end portion of the cylindrical waterproof portion is not likely to be pulled down due to the shrinkage of the cylindrical waterproof portion, and it is difficult for a break to occur, so that the waterproof performance of the sealing work can be improved. In addition, it is not always necessary to fix the upper end of the cylindrical waterproof portion with a stainless steel band or the like, so that workability can be improved, costs can be reduced, and design can be improved.
また、シーリング材は、シール受け面と貫通部材上端面との間の間隙に充填されているため、十分なシーリング深さを確保することができる。それゆえ、シーリング材の切れ目がさらに生じにくくなるため、シーリング部分の防水性を一層高めることができる。 Further, since the sealing material is filled in the gap between the seal receiving surface and the penetrating member upper end surface, a sufficient sealing depth can be ensured. Therefore, since the cut of the sealing material is less likely to occur, the waterproofness of the sealing portion can be further enhanced.
さらに、筒状防水部が上下の筒状防水部により構成され、上側筒状防水部が下側筒状防水部の少なくとも上端部に外嵌されており、上側筒状防水部の下端部と下側筒状防水部の上端部とが重なった状態で、それら筒状防水部によって貫通部材の外周面が覆われているため、経年による収縮が生じたとしても、それら上下の筒状防水部間に隙間が生じることを防ぐことができ、貫通部材外周面を露出させることなく確実に覆うことができる。 Furthermore, the cylindrical waterproof part is composed of upper and lower cylindrical waterproof parts, and the upper cylindrical waterproof part is externally fitted to at least the upper end part of the lower cylindrical waterproof part. Since the outer peripheral surface of the penetrating member is covered with the cylindrical waterproof part in a state where the upper end of the side cylindrical waterproof part overlaps, even if shrinkage due to aging occurs, the space between the upper and lower cylindrical waterproof parts It is possible to prevent a gap from being formed in the cover, and to reliably cover the outer peripheral surface of the penetrating member without exposing it.
また、射出成形等により、上側筒状防水部と位置決め部とが一体に形成され、下側筒状防水部とフランジ部とが一体に形成されているため、現場での加工作業を省略して施工性を向上させることができるとともに、施工業者の技量に左右されることなく、簡単で確実な防水施工が可能となる。 In addition, the upper cylindrical waterproof part and the positioning part are integrally formed by injection molding, etc., and the lower cylindrical waterproof part and the flange part are integrally formed, so that the on-site processing work is omitted. Workability can be improved, and simple and reliable waterproof construction can be performed without being affected by the skill of the contractor.
以下、この発明の実施形態を図面に基づいて詳細に説明する。図1には、例えば陸屋根住宅の屋上において、アンテナ設置用のアンテナ支線を取り付けるための支柱(1)が示されている。この支柱(1)は、屋根の上面に敷設された防水シート(14)を貫通して設けられている。 Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 shows a support column (1) for mounting an antenna branch line for antenna installation, for example, on the roof of a flat roof house. This support | pillar (1) is provided through the waterproof sheet (14) laid on the upper surface of the roof.
この建物では、例えばALC板その他のコンクリート板からなる屋根材(12)が、例えばH形鋼からなる小屋梁(10)の上フランジ(11)上面に支持されている。屋根材(12)の上面には断熱材(13)が設けられており、その断熱材(13)の上面に防水シート(14)が敷設されている。防水シート(14)は、例えば塩化ビニル樹脂その他の合成樹脂からなっており、支柱(1)が貫通する開口部(15)が形成されている。 In this building, a roof material (12) made of, for example, an ALC plate or other concrete plate is supported on an upper surface of an upper flange (11) of a roof beam (10) made of, for example, H-shaped steel. A heat insulating material (13) is provided on the upper surface of the roof material (12), and a waterproof sheet (14) is laid on the upper surface of the heat insulating material (13). The waterproof sheet (14) is made of, for example, vinyl chloride resin or other synthetic resin, and has an opening (15) through which the support (1) passes.
支柱(1)は、例えば小屋梁(10)に取り付けられる取付け部(8)と、その取付け部(8)より立ち上がって防水シート(14)を貫通する貫通部材としての支柱本体(2)と、その支柱本体(2)の上側に設けられたアンテナ支線取付け用の取付金具(5)とを備えている。 The column (1) includes, for example, an attachment part (8) attached to the roof beam (10), a pillar body (2) as a penetrating member that rises from the attachment part (8) and penetrates the waterproof sheet (14), A mounting bracket (5) for mounting the antenna branch line is provided on the upper side of the column main body (2).
取付け部(8)は、上下一対の水平プレート(16)(17)と、これら上下の水平プレート(16)(17)間に跨る垂直プレート(18)とを備えている。また、上下の水平プレート(16)(17)間に跨って、複数のリブプレート(19)(19)…が設けられている。これらリブプレート(19)(19)…は、それぞれ垂直プレート(18)の側面より同一方向に向かって張り出すようにして設けられている。この取付け部(8)は、下側の水平プレート(17)と小屋梁(10)の上フランジ(11)とがボルト(20)(20)とナット(21)(21)で緊結されることによって、小屋梁(10)に固定されている。ただし、取付け部(8)の構成は特に限定されないものとし、また、小屋梁(10)以外の部材に固定するようにしても良いものとする。 The attachment portion (8) includes a pair of upper and lower horizontal plates (16) and (17) and a vertical plate (18) straddling between the upper and lower horizontal plates (16) and (17). Further, a plurality of rib plates (19) (19) are provided across the upper and lower horizontal plates (16) (17). These rib plates (19), (19) are provided so as to protrude in the same direction from the side surfaces of the vertical plate (18). In this mounting part (8), the lower horizontal plate (17) and the upper flange (11) of the roof beam (10) are fastened with bolts (20) (20) and nuts (21) (21). Is fixed to the shed beam (10). However, the configuration of the attachment portion (8) is not particularly limited, and may be fixed to a member other than the shed beam (10).
支柱本体(2)は、例えば円筒状の立上がり部(6)と、その立上がり部(6)の上端開口を塞ぐ天板部(7)とからなっている。立上がり部(6)は、取付け部(8)の上側水平プレート(16)上面より立ち上がるようにして設けられている。天板部(7)は、例えば円形のプレート状に形成されている。これら立上がり部(6)と天板部(7)とは例えば金属からなっており、天板部(7)下面の周縁部が、立上がり部(6)の周壁上端面に例えば溶接により連結されている。ただし、支柱本体(2)の形状は特に限定されるものではなく、角柱状その他の形状であっても良いものとする。 The column main body (2) includes, for example, a cylindrical rising portion (6) and a top plate portion (7) that closes an upper end opening of the rising portion (6). The rising portion (6) is provided so as to rise from the upper surface of the upper horizontal plate (16) of the mounting portion (8). The top plate portion (7) is formed in a circular plate shape, for example. The rising portion (6) and the top plate portion (7) are made of, for example, metal, and the peripheral portion of the lower surface of the top plate portion (7) is connected to the upper end surface of the peripheral wall of the rising portion (6) by, for example, welding. Yes. However, the shape of the column main body (2) is not particularly limited, and may be a prismatic shape or other shapes.
支柱本体(2)の上側には、基台支持部(3)を介して基台(4)が連結されている。基台(4)は、図2に示すように、例えば金属製の円形プレートからなっている。ここで、基台(4)の外径は、支柱本体(2)の外径と略等しくなっている。ただし、基台(4)の形状は特に限定されるものではなく、矩形その他の形状であっても良いものとする。 A base (4) is connected to the upper side of the column main body (2) via a base support part (3). As shown in FIG. 2, the base (4) is made of, for example, a metal circular plate. Here, the outer diameter of the base (4) is substantially equal to the outer diameter of the column main body (2). However, the shape of the base (4) is not particularly limited, and may be a rectangle or other shapes.
基台支持部(3)は、垂直方向に沿って配置された例えば丸鋼からなっており、支柱本体(2)上端面と基台(4)下面とに跨って設けられている。基台支持部(3)は、支柱本体(2)の天板(7)と基台(4)とに、それぞれ例えば溶接により連結されている。ただし、基台(4)と基台支持部(3)とを一体に設けても良く、さらに、基台(4)及び基台支持部(3)を、支柱本体(2)と一体に設けるようにしても良いものとする。 The base support part (3) is made of, for example, round steel arranged along the vertical direction, and is provided across the upper end surface of the column main body (2) and the lower surface of the base (4). The base support portion (3) is connected to the top plate (7) and the base (4) of the column main body (2), for example, by welding. However, the base (4) and the base support portion (3) may be provided integrally, and further, the base (4) and the base support portion (3) are provided integrally with the column main body (2). It may be possible to do so.
基台(4)の上面には、取付金具(5)が立設されている。取付金具(5)は、丸鋼をアーチ状に湾曲させて形成され、その丸鋼の両端面が基台(4)上面に例えば溶接により固定されている。この取付金具(5)には、アンテナ支線のワイヤーが取り付けられるようになっている。 A mounting bracket (5) is erected on the upper surface of the base (4). The mounting bracket (5) is formed by curving round steel in an arch shape, and both end faces of the round steel are fixed to the upper surface of the base (4) by, for example, welding. An antenna branch wire is attached to the mounting bracket (5).
支柱本体(2)には、上下一対の防水部材(25)(30)が取り付けられている。これら防水部材(25)(30)は、例えば塩化ビニル樹脂その他の合成樹脂からなっており、防水シート(14)と同様の材質が用いられている。また、これら防水部材(25)(30)は、工場等において射出成形されたものであり、現場加工を必要としないため容易に施工できるようになっている。 A pair of upper and lower waterproof members (25), (30) are attached to the column main body (2). These waterproof members (25) and (30) are made of, for example, vinyl chloride resin or other synthetic resin, and the same material as the waterproof sheet (14) is used. Further, these waterproof members (25) and (30) are injection-molded in a factory or the like, and can be easily constructed because they do not require on-site processing.
下側の防水部材(25)は、防水シート(14)上面より立ち上がる例えば円筒状の下側筒状防水部(26)と、その下側筒状防水部(26)の周壁下端より外方に向かって張り出すフランジ部(27)とが一体に形成されてなっている。ただし、下側筒状防水部(26)の形状は、筒状であれば特に限定されるものではなく、支柱本体(2)の形状に適応するような形状であれば良いものとする。 The lower waterproof member (25) rises from the upper surface of the waterproof sheet (14), for example, a cylindrical lower cylindrical waterproof part (26) and outward from the lower end of the peripheral wall of the lower cylindrical waterproof part (26). A flange portion (27) protruding toward the bottom is formed integrally. However, the shape of the lower cylindrical waterproof part (26) is not particularly limited as long as it is cylindrical, and may be any shape that can be adapted to the shape of the column main body (2).
下側筒状防水部(26)は、防水シート(14)上面から支柱本体(2)上端のやや下方までの高さにおいて、支柱本体(2)に外嵌されるようになっている。フランジ部(27)の下面は、防水シート(14)上面に載置された状態で、防水シート(14)上面の開口部(15)周縁部に例えば接着により固定されている。 The lower cylindrical waterproof part (26) is fitted on the column main body (2) at a height from the upper surface of the waterproof sheet (14) to the lower side of the upper end of the column main body (2). The lower surface of the flange portion (27) is fixed to the peripheral portion of the opening (15) on the upper surface of the waterproof sheet (14), for example, by adhesion, while being placed on the upper surface of the waterproof sheet (14).
上側の防水部材(30)は、下側筒状防水部(26)の上端部と支柱本体(2)上端部とに外嵌される例えば円筒状の上側筒状防水部(31)と、その筒状防水部(31)の周壁上端部より内方に向かって突設された位置決め部(32)とが一体に形成されてなっている。ただし、上側筒状防水部(31)の形状は、筒状であれば特に限定されるものではなく、支柱本体(2)及び下側筒状防水部(26)の形状に適応するような形状であれば良いものとする。 The upper waterproof member (30) includes, for example, a cylindrical upper cylindrical waterproof part (31) fitted on the upper end part of the lower cylindrical waterproof part (26) and the upper end part of the support body (2), A positioning portion (32) projecting inward from the upper end portion of the peripheral wall of the cylindrical waterproof portion (31) is integrally formed. However, the shape of the upper cylindrical waterproof portion (31) is not particularly limited as long as it is cylindrical, and is a shape that can be adapted to the shapes of the column main body (2) and the lower cylindrical waterproof portion (26). If it is good.
上側筒状防水部(31)は、下側筒状防水部(26)の上端部外周面を覆うとともに、その下側筒状防水部(26)上端より上側において、支柱本体(2)の外周面を覆うようになっている。 The upper cylindrical waterproof part (31) covers the outer peripheral surface of the upper end part of the lower cylindrical waterproof part (26), and the outer periphery of the column main body (2) above the upper end of the lower cylindrical waterproof part (26). It covers the surface.
これにより、防水シート(14)上面より上側の露出部分において、支柱本体(2)外周面は、上下の筒状防水部(26)(31)によって完全に覆われるようになっている。しかも、下側筒状防水部(26)の上端部と、上側筒状防水部(31)の下端部とが重なった状態で、それら筒状防水部(26)(31)が支柱本体(2)に外嵌している。従って、それら筒状防水部(26)(31)が経年によって収縮したとしても、上下の筒状防水部(26)(31)間に隙間が生じないため、支柱本体(2)外周面が露出しないようになっている。 Thereby, in the exposed part above the upper surface of the waterproof sheet (14), the outer peripheral surface of the column main body (2) is completely covered by the upper and lower cylindrical waterproof parts (26), (31). Moreover, in the state where the upper end portion of the lower cylindrical waterproof portion (26) and the lower end portion of the upper cylindrical waterproof portion (31) are overlapped, the cylindrical waterproof portions (26) and (31) are connected to the column main body (2 ). Therefore, even if these cylindrical waterproof parts (26) and (31) shrink due to aging, there is no gap between the upper and lower cylindrical waterproof parts (26) and (31), so the outer peripheral surface of the column main body (2) is exposed. It is supposed not to.
なお、上側筒状防水部(31)は、下側筒状防水部(26)の少なくとも上端部に外嵌されていれば良いので、下側筒状防水部(26)の全部若しくは大部分に外嵌されることを妨げるものではない。 Note that the upper cylindrical waterproof part (31) only needs to be externally fitted to at least the upper end of the lower cylindrical waterproof part (26), so that the lower cylindrical waterproof part (26) is entirely or largely attached. It does not prevent it from being externally fitted.
位置決め部(32)は、筒状防水部(31)上端より内向きにフランジ状に突出して形成されている。すなわち、位置決め部(32)の内側の先端には、例えば円形の開口部(33)が形成されており、この開口部(33)の内径は、支柱本体(2)上端部及び基台(4)の外径に比べてやや小径となっている。そして、設置状態において、位置決め部(32)は、支柱本体(2)の上端面に載置されており、筒状防水部(31)が下方へずれるのを防止できるようになっている。 The positioning portion (32) is formed so as to protrude in a flange shape inward from the upper end of the cylindrical waterproof portion (31). That is, for example, a circular opening (33) is formed at the inner end of the positioning part (32), and the inner diameter of the opening (33) is the upper end of the column main body (2) and the base (4). ) Is slightly smaller than the outer diameter. In the installed state, the positioning portion (32) is placed on the upper end surface of the column main body (2) so that the cylindrical waterproof portion (31) can be prevented from shifting downward.
シール受け面としての基台(4)下面と支柱本体(2)上面との間の間隙(35)には、シーリング材(36)が充填されている。なお、ここでは、基台(4)下面がシール受け面とされているが、シール受け面は、支柱本体(2)の上方に配置された下向きの水平面であれば良いものとし、例えば外壁の下端面等を、支柱本体(2)の上方に配置してシール受け面とすることも考えられる。 A sealing material (36) is filled in the gap (35) between the lower surface of the base (4) as the seal receiving surface and the upper surface of the column main body (2). Here, the lower surface of the base (4) is the seal receiving surface. However, the seal receiving surface may be a downward horizontal surface disposed above the column main body (2). It is also conceivable that the lower end surface or the like is arranged above the support body (2) to serve as a seal receiving surface.
このようにシーリング材(36)を充填できるような間隙(35)を形成することにより、十分なシーリング深さを確保することができ、シーリング材(36)に切れ目が発生しにくくなるため、防水性に優れたシーリング施工が可能となっている。 By forming the gap (35) so that the sealing material (36) can be filled in this way, a sufficient sealing depth can be secured, and it becomes difficult for the sealing material (36) to be cut. Sealing construction with excellent properties is possible.
以上の設置状態において、防水シート(14)上面より上側の露出部分における支柱本体(2)と、その支柱本体(2)が貫通する防水シート(14)の開口部(15)とは、上下の防水部材(25)(30)とシーリング材(36)によって完全に覆われることになり、支柱(1)貫通部の水密性が確保されるようになっている。しかも、位置決め部(32)の作用により、上側筒状防水部(31)が下方にずれることがなく、シーリング材(36)が下方に引っ張られる恐れがないため、シーリング材(36)に切れ目が入りにくくなっており、シーリング部分の防水性能が高まっている。 In the above installation state, the column main body (2) in the exposed portion above the upper surface of the waterproof sheet (14) and the opening (15) of the waterproof sheet (14) through which the column main body (2) passes are It is completely covered by the waterproof members (25), (30) and the sealing material (36), so that the water-tightness of the penetrating portion of the support column (1) is ensured. In addition, the upper cylindrical waterproof part (31) is not displaced downward due to the action of the positioning part (32), and there is no possibility of the sealing material (36) being pulled downward. It becomes difficult to enter, and the waterproof performance of the sealing part is increasing.
次に、支柱本体(2)貫通部の防水処理を施す手順について簡単に説明する。図2に示すように、防水シート(14)を貫通して設置された支柱本体(2)に対して、先ず、下側の防水部材(25)と上側の防水部材(30)を順次取り付ける。下側の防水部材(25)は、支柱本体(2)に筒状防水部(26)を外嵌させながら、フランジ部(27)下面を防水シート(14)上面に接着して取り付ける。続いて、支柱本体(2)に対して、その上側から上側防水部材(30)の筒状防水部(31)を外嵌させる。このとき、上側防水部材(30)は、その上端の位置決め部(32)の下面が基台(4)上面に引っ掛かってしまうが、そのまま弾性変形させながら下方へ押し込むと、位置決め部(32)と基台(4)との掛かりが外れて、図4に示すように、支柱本体(2)の上端面に位置決め部(32)が載置された状態となる。この状態において、基台(4)下面と支柱本体(2)上端面との間の間隙(35)に、図5に示すようにシーリング材(36)を充填することで、支柱本体(2)貫通部の防水処理が完了する。 Next, a procedure for waterproofing the column main body (2) through portion will be briefly described. As shown in FIG. 2, first, a lower waterproof member (25) and an upper waterproof member (30) are sequentially attached to the column main body (2) installed through the waterproof sheet (14). The lower waterproof member (25) is attached by adhering the lower surface of the flange portion (27) to the upper surface of the waterproof sheet (14) while fitting the cylindrical waterproof portion (26) to the support body (2). Subsequently, the cylindrical waterproof portion (31) of the upper waterproof member (30) is externally fitted to the column main body (2) from above. At this time, the upper waterproof member (30) has the lower surface of the positioning portion (32) at the upper end caught on the upper surface of the base (4). As shown in FIG. 4, the position of the positioning part (32) is placed on the upper end surface of the column main body (2). In this state, by filling the gap (35) between the lower surface of the base (4) and the upper end surface of the column body (2) with a sealing material (36) as shown in FIG. 5, the column body (2) The waterproofing process of the penetration part is completed.
ただし、上側防水部材(30)は、図3(a)に示すように、その周壁部の一箇所を軸方向に沿って切断してから施工するようにしても良い。この場合は、下側防水部材(25)が取り付けられた状態の支柱本体(2)に対して、上側防水部材(30)を巻き付けてその切断端部同士を接着等により接合することにより取り付ける。このように軸方向に沿った切れ目(37)を形成してから施工することにより、取付金具(5)若しくは基台(4)の大きさが、上側防水部材(30)上端の開口部(33)の内径よりも大きく、その開口部(33)内に取付金具(5)若しくは基台(4)を通すことが困難な場合でも、上側防水部材(30)の取付けが可能になる。 However, as shown in FIG. 3A, the upper waterproof member (30) may be constructed after cutting one portion of the peripheral wall portion along the axial direction. In this case, the upper waterproof member (30) is wound around the column main body (2) to which the lower waterproof member (25) is attached, and the cut ends are attached by bonding or the like. By forming the cut line (37) along the axial direction in this manner, the size of the mounting bracket (5) or the base (4) is changed to the opening (33) at the upper end of the upper waterproof member (30). The upper waterproof member (30) can be mounted even when it is difficult to pass the mounting bracket (5) or the base (4) through the opening (33).
他方、下側防水部材(25)についても、図3(b)に示すように、その周壁部の一箇所を軸方向に沿って切断してから施工するようにしても良い。この場合は、支柱本体(2)外周面に下側防水部材(25)を巻き付けて、その切断端部同士を補助部材(39)を介して接合することにより取り付ける。この補助部材(39)は、下側防水部材(25)全周のうちの一部と略同形状のものであり、下側防水部材(25)の切断端部間に跨って接着等により取り付けられる。この補助部材(39)を取り付けることにより、下側防水部材(25)における軸方向に沿った切れ目(38)部分の隙間が塞がれるようになっている。 On the other hand, as shown in FIG. 3 (b), the lower waterproof member (25) may be constructed after cutting one portion of the peripheral wall portion along the axial direction. In this case, the lower waterproof member (25) is wound around the outer peripheral surface of the column main body (2), and the cut ends are attached to each other via the auxiliary member (39). The auxiliary member (39) has substantially the same shape as a part of the entire circumference of the lower waterproof member (25), and is attached by bonding or the like across the cut end portion of the lower waterproof member (25). It is done. By attaching this auxiliary member (39), the gap of the cut (38) along the axial direction in the lower waterproof member (25) is closed.
このように、上下の防水部材(25)(30)の施工は、切れ目(37)(38)を設けずに上方から嵌め込むようにしても良いし、切れ目(37)(38)を設けておいてから巻き付けて接合するようにしても良い。なお、下側防水部材(25)は切れ目(38)を設けずに施工して、上側防水部材(30)についてのみ切れ目(37)を設けてから施工するようにしても良い。また、逆に下側防水部材(25)についてのみ切れ目(38)を設けてから施工するようにしたり、上下両方の防水部材(25)(30)ともに切れ目(37)(38)を設けてから施工するようにしても良いものとする。 Thus, the construction of the upper and lower waterproof members (25) and (30) may be fitted from above without providing the cut lines (37) and (38), or the cut lines (37) and (38) are provided. It may be wound around and joined. Note that the lower waterproof member (25) may be constructed without providing the cut (38), and the cut may be made after providing the cut (37) only for the upper waterproof member (30). On the other hand, it is necessary to construct the cut line (38) only for the lower waterproof member (25), or to install the cut lines (37) and (38) for both the upper and lower waterproof members (25) and (30). It may be constructed.
図6は、この発明に係るその他の実施形態を示している。この実施形態において、支柱本体(2)は、例えば屋上バルコニーにおける床の上面に敷設された防水シート(41)を貫通して設けられている。そして、上記の取付金具(5)に代えて、バルコニーの控え柱(40)が設けられている。この控え柱(40)は、基台(4)上に立設された例えば断面略ロ字形の鋼材からなっている。控え柱(40)下端面と基台(4)上面とは、例えば溶接により連結されている。 FIG. 6 shows another embodiment according to the present invention. In this embodiment, the column main body (2) is provided, for example, through a waterproof sheet (41) laid on the upper surface of the floor of a rooftop balcony. Then, instead of the mounting bracket (5), a balcony post (40) is provided. The retaining column (40) is made of, for example, a steel material having a substantially square-shaped cross section standing on the base (4). The lower end surface of the column (40) and the upper surface of the base (4) are connected by, for example, welding.
なお、この実施形態において、その他の構成及び効果は前記実施形態と同様であり、図6において、前記実施形態と同様の機能を有する部材については同符号を付してある。 In this embodiment, the other configurations and effects are the same as those of the above-described embodiment. In FIG. 6, members having the same functions as those of the above-described embodiment are denoted by the same reference numerals.
このように、基台(4)上に立設される部材は特に限定されるものではなく、支柱(1)の用途に応じた部材を立設するようにすれば良いものとする。上記の取付金具(5)や控え柱(40)以外の部材としては、例えば、太陽光発電パネルその他の各種架台の柱脚、又は屋上に登るための梯子を取り付けるための取付金具等が考えられる。 Thus, the member erected on the base (4) is not particularly limited, and a member corresponding to the use of the column (1) may be erected. As a member other than the mounting bracket (5) and the conservative pillar (40), for example, a mounting bracket for mounting a column base of a solar panel or other various mounts or a ladder for climbing the roof can be considered. .
この発明は、上記実施形態に限定されるものではなく、この発明の範囲内で上記実施形態に多くの修正及び変更を加え得ることは勿論である。例えば、上記実施形態では、上記の各種支柱について説明したが、屋根若しくは床の上面に敷設された防水シート(14)を貫通して設けられるものであれば、支柱以外の貫通部材にこの発明を適用するようにしても良い。 The present invention is not limited to the above embodiment, and it is needless to say that many modifications and changes can be made to the above embodiment within the scope of the present invention. For example, in the above-described embodiment, the above-described various struts have been described, but if the waterproof sheet (14) laid on the top surface of the roof or floor is provided to penetrate the present invention to a penetrating member other than the struts. You may make it apply.
(1) 支柱
(2) 支柱本体
(4) 基台
(5) 取付金具
(14)(41) 防水シート
(26) 下側筒状防水部
(27) フランジ部
(31) 上側筒状防水部
(32) 位置決め部
(35) 間隙
(36) シーリング材
(40) 控え柱
(1) Prop
(2) Prop body
(4) Base
(5) Mounting bracket
(14) (41) Tarpaulin
(26) Lower cylindrical waterproof part
(27) Flange
(31) Upper cylindrical waterproof part
(32) Positioning part
(35) Gap
(36) Sealing material
(40) Reservation pillar
Claims (8)
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JP2004023521A JP4461819B2 (en) | 2004-01-30 | 2004-01-30 | Waterproof structure for penetrating members such as struts that penetrate the waterproof sheet |
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JP2004023521A JP4461819B2 (en) | 2004-01-30 | 2004-01-30 | Waterproof structure for penetrating members such as struts that penetrate the waterproof sheet |
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JP2005213921A true JP2005213921A (en) | 2005-08-11 |
JP4461819B2 JP4461819B2 (en) | 2010-05-12 |
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JP2014185456A (en) * | 2013-03-22 | 2014-10-02 | Jfe Metal Products & Engineering Inc | Facility installing foundation of deck bed roof and construction method thereof |
JP2014224401A (en) * | 2013-05-16 | 2014-12-04 | Jfe建材株式会社 | Foundation for facility installation of deck bed roof, and construction method thereof |
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