JPH0742245A - Connection structure of precast structural body and connection method - Google Patents
Connection structure of precast structural body and connection methodInfo
- Publication number
- JPH0742245A JPH0742245A JP18984993A JP18984993A JPH0742245A JP H0742245 A JPH0742245 A JP H0742245A JP 18984993 A JP18984993 A JP 18984993A JP 18984993 A JP18984993 A JP 18984993A JP H0742245 A JPH0742245 A JP H0742245A
- Authority
- JP
- Japan
- Prior art keywords
- steel material
- structures
- precast
- steel
- edges
- 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
- Joining Of Building Structures In Genera (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明はプレキャスト構造物の連
結構造及び連結方法、更に詳細にはコンクリート製のブ
ロック等をＰＣ鋼材でボルト締めして結合するプレキャ
スト構造物の連結構造及び連結方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connecting structure and a connecting method for a precast structure, and more particularly to a connecting structure and a connecting method for a precast structure in which a concrete block or the like is bolted with a PC steel material.
【０００２】[0002]
【従来の技術】従来、コンクリート製のプレキャスト構
造物を結合する構造としては、図５に図示するような構
造がある。図５（ａ）はプレキャスト構造物を単に並置
した図であり、図５（ｂ）は、図５（ａ）のプレキャス
ト構造物を連結した図である。2. Description of the Related Art Conventionally, as a structure for connecting concrete precast structures, there is a structure as shown in FIG. FIG. 5A is a diagram in which the precast structures are simply juxtaposed, and FIG. 5B is a diagram in which the precast structures in FIG. 5A are connected.
【０００３】この構造は、一方の構造物５０にその端面
より棒鋼５６と略同等の長さのダクト５１、及び横穴５
３を予め形成しておくと共に、他方の構造物５０’に
は、棒鋼５６の半分の長さのダクト５１’を予め形成し
ておき、ダクト５１、及び横穴５３内に棒鋼５６の全体
を収容させた状態で両構造物５０、５０’を目地を介し
て接合させる。次いで、図５（ｂ）に示すように縦穴５
２より押出具若しくは圧力エア等（図示せず）を使用し
て棒鋼５６を他方側のダクト５１’側に押し出して両構
造物５０、５０’間に跨せ、更に縦穴５２、５２’、グ
ラウト注入孔５３ａからグラウト７を注入してダクト５
１、５１’、及び縦穴５２、５２’、及びグラウト注入
孔５３ａを埋めるものである。In this structure, one structure 50 has a duct 51 having a length substantially equal to that of the steel bar 56 from its end face, and a lateral hole 5.
3 is preformed, and the other structure 50 'is preformed with a duct 51' having a length half that of the steel bar 56, and the entire steel bar 56 is accommodated in the duct 51 and the lateral hole 53. In this state, the two structures 50, 50 'are joined together through the joint. Then, as shown in FIG.
The steel bar 56 is pushed toward the duct 51 'on the other side by using an extruding tool or pressure air or the like (not shown) from 2 to straddle the two structures 50, 50', and further the vertical holes 52, 52 ', the grout. Inject the grout 7 through the injection hole 53a to form the duct 5
1, 51 ', the vertical holes 52, 52', and the grout injection hole 53a are filled.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、この従
来の連結構造では、単に目地部５９に棒鋼５６を掛け渡
し、これをモルタル５で埋めている構造であるため、大
重量車両走行による繰返し載荷により目地部５９に段差
が生じる欠点がある。また一部の取り換えに際し、目地
部５９より棒鋼５６を切断した場合、同じ箇所で最初の
連結と同じ構造を取り得ない欠点がある。さらに棒鋼５
６の埋め込みの際、グラウト７の注入が見えない部分へ
の注入であるため信頼性に欠ける。さらにまたプレキャ
スト構造物５０、５０’がプレテンション方式のプレス
トレスコンクリート構造物である場合、その端部は棒鋼
の付着長の関係からプレストレスが導入されていないた
め、連結部分の強度が構造物中央部分に比べて弱くなら
ざるを得ないという欠点がある。However, in this conventional connection structure, since the bar steel 56 is simply laid over the joint portion 59 and the joint portion 59 is filled with the mortar 5, it is possible to repeatedly load the steel rod 56 by running a heavy vehicle. There is a drawback that the joint 59 has a step. In addition, when the bar steel 56 is cut from the joint portion 59 when part of the replacement is performed, there is a disadvantage that the same structure as the first connection cannot be taken at the same location. Further steel bar 5
When the 6 is embedded, the grout 7 is injected into an invisible portion, and thus lacks reliability. Furthermore, when the precast structure 50, 50 'is a pretensioned prestressed concrete structure, since the prestress is not introduced at the end of the prestressed structure due to the stick length of the steel bar, the strength of the connecting portion is It has the drawback of being weaker than the central part.
【０００５】本発明は、この従来の技術の欠点を解決せ
んとしたものであり、その目的は連結した構造物の目地
部に段差が生じることがなく、連結することにより構造
物全体の強度を増すことができるプレキャスト構造物の
連結構造を提供することにある。The present invention has been made in order to solve the drawbacks of the prior art. The purpose of the present invention is to prevent the joints of the connected structures from being stepped and to increase the strength of the entire structure by connecting them. An object of the present invention is to provide a connecting structure for precast structures that can be increased.
【０００６】本発明の他の目的は、プレキャスト構造物
を連結するにあたり、簡易に且つ迅速に連結することが
できるプレキャスト構造物の連結方法を提供することに
ある。Another object of the present invention is to provide a method of connecting precast structures which can be connected easily and quickly when connecting the precast structures.
【０００７】[0007]
【課題を解決するための手段】本発明は、前述の目的に
鑑みてなされたものであり、その要旨は延長して並べた
プレキャスト構造物の縁部間にＰＣ鋼材を跨せて該構造
物を連結する構造において、前記各構造物の接合縁部に
は該縁部に対してクロスする方向にそれぞれ鋼材挿入ダ
クトを設け、また両構造物間に跨るＰＣ鋼材の両端部に
あたる部分にはそれぞれ上方に開口する縦穴を設けるこ
とにより、ＰＣ鋼材を前記縁部間に跨せて、その両端部
を各ダクト内に支圧板を介して定着させたことを特徴と
するプレキャスト構造物の連結構造にある。DISCLOSURE OF THE INVENTION The present invention has been made in view of the above-mentioned object, and its gist is to extend a precast structure by extending a PC steel material between the edges of the structure. In the structure for connecting the above, steel joining ducts are provided at the joint edges of the respective structures in a direction crossing the edges, and at the portions corresponding to both ends of the PC steel straddling both structures, respectively. By providing a vertical hole that opens upward, a PC steel material is straddled between the edge portions, and both end portions of the PC steel material are fixed in the respective ducts via pressure bearing plates. is there.
【０００８】本発明の他の要旨は、プレキャスト構造物
を連結するにあたり、まずＰＣ鋼材を両構造物の縁部の
クロスする方向に設けた各ダクト間に跨せ、次いで該Ｐ
Ｃ鋼材の両端に支圧板を介してナットをレンチによって
定着して該構造物を連結することを特徴とするプレキャ
スト構造物の連結方法にある。Another object of the present invention is to connect a precast structure by first straddling a PC steel material between the ducts provided in the direction in which the edges of both structures intersect.
A method for connecting a precast structure is characterized in that nuts are fixed to both ends of the C steel material via pressure bearing plates with a wrench to connect the structures.
【０００９】[0009]
【作用】本発明のプレキャスト構造物の連結構造は、延
長して並べたプレキャスト構造物の縁部にＰＣ鋼材を跨
せ、その両端部に支圧板を介してナットを定着し、両構
造物を連結する。In the connection structure of the precast structure of the present invention, the PC steel material is straddled over the edges of the precast structures that are extended and arranged, and nuts are fixed to both ends of the precast structure through pressure bearing plates to secure both structures. Link.
【００１０】また本発明のプレキャスト構造物の連結方
法は、まず隣接して並べたプレキャスト構造物の縁部に
ＰＣ鋼材を跨せ、次いで該ＰＣ鋼材の両端に支圧板を介
してナットをレンチによって定着し、プレストレスを付
与して両構造物を連結する。Further, in the method for connecting precast structures according to the present invention, first, PC steel materials are straddled over the edges of the precast structures that are arranged adjacent to each other, and then nuts are wrenched at both ends of the PC steel materials through pressure bearing plates with a wrench. Fix and apply prestress to connect both structures.
【００１１】[0011]
【実施例】以下、本発明の実施例を添付図面を参照して
説明するが、本発明はこれに限定されるものではない。Embodiments of the present invention will be described below with reference to the accompanying drawings, but the present invention is not limited thereto.
【００１２】図１（ａ）は、橋台１、１’及び橋脚２に
架設して並べられたプレキャスト構造物１０、１０’の
縁部間に端部が雄螺子に形成されたＰＣ鋼材１６（ＰＣ
鋼棒、ＰＣ鋼線、ＰＣより線）を跨せて、該構造物１
０、１０’を連結したものである。図１（ａ）の連結部
分を拡大して図１（ｂ）に示す。FIG. 1 (a) shows a PC steel material 16 (having a male screw at the end between the edges of the precast structures 10 and 10 'which are laid on the abutments 1, 1'and the pier 2 and lined up. PC
Steel bar, PC steel wire, PC stranded wire)
It is a combination of 0 and 10 '. The connecting portion of FIG. 1 (a) is enlarged and shown in FIG. 1 (b).
【００１３】図１（ｂ）に図示するように、構造物１０
の縁部には、該縁部に対してクロスする方向に鋼材挿入
ダクト１１と、前記ＰＣ鋼材１６を摺動可能に一時収納
する横穴１３とを設け、構造物１０’の前記構造物１０
に接合する縁部には、該縁部に対してクロスする方向に
前記ダクト１１と横穴１３とに収納されたＰＣ鋼材１６
を摺動して挿入するダクト１１’を設けている。As shown in FIG. 1B, the structure 10
A steel material insertion duct 11 and a lateral hole 13 for slidably temporarily storing the PC steel material 16 are provided at an edge portion of the structure 10 'in a direction crossing the edge portion, and the structure 10' of the structure 10 is provided.
The PC steel material 16 housed in the duct 11 and the lateral hole 13 in the direction crossing the edge is joined to the edge.
Is provided with a duct 11 'for slidingly inserting.
【００１４】前記縁部に設けたダクト１１、１１’の内
周面にはシース１４を備えており、前記構造物の縁部間
に跨せたＰＣ鋼材１６の両端部分にはそれぞれ上方に開
口する縦穴１２、１２’を設けている。また、前記横穴
１３の奥部にはグラウト注入孔１３ａを備えている。A sheath 14 is provided on the inner peripheral surfaces of the ducts 11 and 11 'provided at the edge portions, and both end portions of the PC steel material 16 spanning between the edge portions of the structure are opened upward. Vertical holes 12, 12 'are provided. Further, a grout injection hole 13a is provided in the inner part of the lateral hole 13.
【００１５】前記構造物１０、１０’の縁部間に跨せた
ＰＣ鋼材１６の両端には支圧板１７を介してナット１８
を螺合する（図１（ｃ））。このナット１８の外周部は
六角形状に形成しており、これに嵌め合わせたＰＣ鋼材
緊張治具（ギヤボックス）２０（図２参照）を介してト
ルクレンチ２５により該ナット１８をＰＣ鋼材１６に定
着し、更にナット１８を締めてＰＣ鋼材１６を緊張す
る。Nuts 18 are provided at both ends of the PC steel material 16 which is straddled between the edges of the structures 10 and 10 'via pressure bearing plates 17.
Are screwed together (FIG. 1 (c)). The outer peripheral portion of the nut 18 is formed into a hexagonal shape, and the nut 18 is fixed to the PC steel material 16 by a torque wrench 25 via a PC steel material tension jig (gear box) 20 (see FIG. 2) fitted to the nut 18. After fixing, the nut 18 is tightened and the PC steel material 16 is tensioned.
【００１６】前記ＰＣ鋼材緊張治具２０は、図２（ａ）
に図示するように、各機能部品を収容するハウジング２
１と、回転トルクが入力される駆動側歯車２２と、前記
ナット１８に嵌合するナット嵌合孔２４ａを有する従動
側歯車２４と、該駆動側歯車２２と従動側歯車２４との
間に噛み合い係合される中間歯車２３とで構成し、各々
の歯車は、平歯車その他の外歯歯車とからなる。駆動側
歯車の中心部分にはトルクレンチ２５の先端を差し込む
レンチ嵌合孔２２ａを備える。このように構成されたＰ
Ｃ鋼材緊張治具２０は、図２（ｂ）に図示するように、
レンチ嵌合孔２２ａにトルクレンチ２５を嵌合してこれ
を回転することにより中間歯車２３が駆動側歯車２２か
ら従動側歯車２４へ回転トルクを伝達し、これによって
嵌合孔２４ａに嵌合されたナット１８を締める。The PC steel material tension jig 20 is shown in FIG.
As shown in FIG. 2, a housing 2 for accommodating each functional component
1, a drive-side gear 22 to which a rotational torque is input, a driven-side gear 24 having a nut fitting hole 24a that fits into the nut 18, and a mesh between the drive-side gear 22 and the driven-side gear 24. And an intermediate gear 23 to be engaged, and each gear is composed of a spur gear and other external gears. A wrench fitting hole 22a into which the tip of the torque wrench 25 is inserted is provided at the center of the drive-side gear. P configured in this way
As shown in FIG. 2B, the C steel tension jig 20 is
By fitting the torque wrench 25 into the wrench fitting hole 22a and rotating it, the intermediate gear 23 transmits the rotational torque from the drive-side gear 22 to the driven-side gear 24, whereby the intermediate gear 23 is fitted into the fitting hole 24a. Tighten the nut 18.
【００１７】この連結構造では、構造物１０、１０’の
縁部間にＰＣ鋼材１６に跨せて、該ＰＣ鋼材１６の両端
部１６ａに支圧板１７を介してナット１８を螺合して定
着し、次いでこのナット１８をトルクレンチ２５で締め
て該ＰＣ鋼材１６を緊張することにより両構造物１０、
１０’を連結している。なお、ＰＣ鋼材を緊張する際、
目地部１９には、ダクト１１、１１’付近にＰＣ鋼材１
６が貫通可能な孔を備えた弾性体６を予め挟んでおき、
更にその周囲に無収縮モルタル５を注入しておく。注入
した無収縮モルタル５が十分な強度に達した後に、ＰＣ
鋼材１６を緊張し、次いでダクト１１、１１’、縦穴１
２、１２’、及びグラウト注入孔１３ａ内には、ＰＣ鋼
材１６が腐食したり、部材強度が低下しないようにグラ
ウト７を注入する。また前記目地部１９に注入した無収
縮モルタル５は、これに限定されるものでもなく、接着
剤を注入してもよい。In this connection structure, the PC steel material 16 is straddled between the edges of the structures 10 and 10 ', and the nuts 18 are screwed and fixed to both end portions 16a of the PC steel material 16 via the pressure bearing plates 17. Then, by tightening the nut 18 with a torque wrench 25 to tension the PC steel material 16, both structures 10,
10 'are connected. When straining PC steel,
In the joint portion 19, the PC steel material 1 is provided near the ducts 11 and 11 '.
An elastic body 6 having a hole through which 6 can penetrate is previously sandwiched,
Further, non-shrink mortar 5 is poured around it. After the injected non-shrink mortar 5 reaches a sufficient strength, PC
Tensile steel material 16, then duct 11, 11 ', vertical hole 1
The grout 7 is injected into the 2, 12 'and the grout injection hole 13a so that the PC steel material 16 is not corroded and the member strength is not reduced. The non-shrink mortar 5 injected into the joint portion 19 is not limited to this, and an adhesive may be injected.
【００１８】次に、本発明の連結構造の他の実施例を図
３を参照して説明する。Next, another embodiment of the connecting structure of the present invention will be described with reference to FIG.
【００１９】図３（ａ）は、水上に浮かべたポンツーン
３０、３０’に前記ＰＣ鋼材１６を跨せて、該ポンツー
ン３０、３０’を連結したものである。図３（ａ）の連
結部分を拡大して図３（ｂ）に示す。FIG. 3 (a) shows the pontoon 30, 30 'which is floated on the water, and the PC steel material 16 is laid across the pontoon 30, 30'. The connecting portion of FIG. 3 (a) is enlarged and shown in FIG. 3 (b).
【００２０】図３に図示するように、ポンツーン１０、
１０’の縁部には、該縁部に対してクロスする方向に鋼
材挿入ダクト３１、３１’をそれぞれ設けている。前記
ダクト３１、３１’の内周面には、シース３４を設け、
前記ダクト３１、３１’の前記縁部間に跨せたＰＣ鋼材
１６の両端部にあたる部分には、それぞれ上方に開口す
る縦穴３２、３２’を設けている。As shown in FIG. 3, the pontoon 10,
At the edge of 10 ', steel material insertion ducts 31 and 31' are respectively provided in a direction crossing the edge. A sheath 34 is provided on the inner peripheral surfaces of the ducts 31 and 31 ′,
Vertical holes 32 and 32 'that open upward are provided at the portions corresponding to both ends of the PC steel material 16 that straddle between the edges of the ducts 31 and 31'.
【００２１】前記ポンツーン３０、３０’の縁部間に跨
せたＰＣ鋼材１６の両端には、支圧板１７を介してナッ
ト１８を螺合する。このナット１８の外周部は、六角形
状に形成しており、これに嵌め合わせたＰＣ鋼材緊張治
具２０を介してトルクレンチ２５によりＰＣ鋼材１６に
定着すると共に該ＰＣ鋼材１６を緊張する。Nuts 18 are screwed onto both ends of the PC steel material 16 which is straddled between the edges of the pontoons 30 and 30 'via pressure bearing plates 17. The outer peripheral portion of the nut 18 is formed in a hexagonal shape, and is fixed to the PC steel material 16 by the torque wrench 25 via the PC steel material tensioning jig 20 fitted to the nut 18, and the PC steel material 16 is tensioned.
【００２２】この連結構造では、ポンツーン３０、３
０’の縁部間にＰＣ鋼材１６を跨せて、その各端部１６
ａに支圧板１７を介してナット１８をトルクレンチ２５
で締めて該ＰＣ鋼材１６を緊張することにより、両ポン
ツーン３０、３０’を連結している。なお、ＰＣ鋼材を
緊張する際、予め目地部３９には、ダクト３１、３１’
付近にＰＣ鋼材１６が貫通可能な孔を備えた弾性体６を
挟んでおき、該ＰＣ鋼材１６を緊張する。更にダクト３
１、３１’、縦穴３２、３２’内には、ＰＣ鋼材１６が
腐食したり、部材強度が低下しないようにグラウト７を
注入する。In this connection structure, the pontoons 30, 3
PC steel material 16 is straddled between the edge portions of 0'and each end portion 16
a through a pressure bearing plate 17 and a nut 18 with a torque wrench 25
Both pontoons 30 and 30 'are connected by tightening and tightening the PC steel material 16. When the PC steel material is strained, the ducts 31 and 31 'are previously provided in the joint portion 39.
The elastic body 6 having a hole through which the PC steel material 16 can penetrate is sandwiched and the PC steel material 16 is tensioned. Further duct 3
The grout 7 is injected into the 1, 31 ′ and the vertical holes 32, 32 ′ so that the PC steel material 16 is not corroded and the member strength is not reduced.
【００２３】次に、本発明のプレキャスト構造物の連結
方法を図４を参照して説明する。Next, the method of connecting the precast structures of the present invention will be described with reference to FIG.
【００２４】図４（ａ）〜（ｅ）は、図１のプレキャス
ト構造物１０、１０’を用いて、本発明に係る連結方法
の工程を示したものである。4 (a) to 4 (e) show the steps of the connecting method according to the present invention using the precast structure 10, 10 'of FIG.
【００２５】本発明の連結方法は、（ａ）まずプレキャ
スト構造物１０、１０’を隣接して並べ、（ｂ）この両
構造物間の目地部１９にＰＣ鋼材１６が貫通可能な孔を
備えた弾性体６を該孔としてダクト１１、１１’とが合
致するように挟み、構造物１０のダクト１１、及び横穴
１３に収納しておいたＰＣ鋼材１６を前記弾性体６を通
して構造物１０’のダクト１１’に摺動挿入して両構造
物間に跨せる。なお、ダクト１１、１１’の内周面には
シース１４を設けている。（ｃ）次いで該ＰＣ鋼材１６
の両端に支圧板１７を介してナット１８をトルクレンチ
２５及びＰＣ鋼材緊張治具２０によって定着し、（ｄ）
注入した無収縮モルタル５が十分な強度に達した後、ト
ルクレンチ２５及びＰＣ鋼材緊張治具２０によってナッ
ト１８を締めて、ＰＣ鋼材１６を緊張する。（ｅ）ＰＣ
鋼材１６を緊張した後、グラウト注入孔１３ａ、及び縦
穴１２、１２’からグラウトを、該グラウト注入孔１３
ａ、横穴１３、ダクト１１、１１’及び縦穴１２、１
２’内にグラウトを注入充填し、ＰＣ鋼材１６の腐食や
部材強度の低下を防止する。According to the connection method of the present invention, (a) first, the precast structures 10, 10 'are arranged adjacent to each other, and (b) a hole through which the PC steel material 16 can penetrate is provided in the joint portion 19 between these structures. The elastic body 6 is sandwiched between the ducts 11 and 11 'as the holes so that the duct 11 of the structure 10 and the PC steel material 16 housed in the lateral hole 13 are passed through the elastic body 6 to construct the structure 10'. It can be slidably inserted into the duct 11 'of the above so as to straddle between both structures. A sheath 14 is provided on the inner peripheral surfaces of the ducts 11 and 11 '. (C) Next, the PC steel material 16
The nuts 18 are fixed to both ends of the sheet through the pressure bearing plates 17 by the torque wrench 25 and the PC steel material tension jig 20, (d).
After the injected non-shrink mortar 5 reaches a sufficient strength, the nut 18 is tightened by the torque wrench 25 and the PC steel material tension jig 20 to tension the PC steel material 16. (E) PC
After tensioning the steel material 16, the grout is injected from the grout injection hole 13a and the vertical holes 12 and 12 '.
a, horizontal hole 13, ducts 11, 11 'and vertical holes 12, 1
The 2'is filled with grout to prevent the corrosion of the PC steel material 16 and the deterioration of the member strength.
【００２６】また、構造物１０、１０’の縁部間に跨る
ＰＣ鋼材１６の両端にナット１８を定着したり、ＰＣ鋼
材１６を緊張する手段として、トルクレンチ２５やＰＣ
鋼材緊張治具２０を用いることにより、緊張する際使用
する各縦穴１２、１２’を小さく設計することができ
る。したがって、この方法は比較的小さい構造物の連結
においても使用が可能である。A torque wrench 25 and a PC are used as means for fixing the nuts 18 to both ends of the PC steel material 16 extending between the edges of the structures 10 and 10 'and for tensioning the PC steel material 16.
By using the steel material tension jig 20, it is possible to design the vertical holes 12 and 12 'used for tensioning to be small. Therefore, this method can also be used in the connection of relatively small structures.
【００２７】なお、本実施例では、ＰＣ鋼材１６の両端
に定着するナット１８として、ＰＣ鋼材緊張治具２０の
ナット嵌合孔２４ａに嵌め込み可能な六角形状の外周部
を備えたナットを用いて、ＰＣ鋼材１６の両端に定着、
及びこれを緊張するようにしたが、本発明はこれに限定
されるものではなく、外周部に噛合歯を有するナット
と、これに噛合する噛合歯を有する従動側歯車２３を備
えたＰＣ鋼材緊張治具とを用いて、ＰＣ鋼材の両端の定
着する該ナットを定着すると共に、ＰＣ鋼材を緊張する
こともできる。In this embodiment, as the nuts 18 fixed to both ends of the PC steel material 16, a nut having a hexagonal outer peripheral portion which can be fitted into the nut fitting hole 24a of the PC steel material tension jig 20 is used. , Fixed on both ends of PC steel 16,
The present invention is not limited to this, but the present invention is not limited to this. PC steel material tension provided with a nut having meshing teeth on the outer periphery and a driven side gear 23 having meshing teeth meshing with the nut. By using a jig, it is possible to fix the nuts on both ends of the PC steel material and to tension the PC steel material.
【００２８】[0028]
【発明の効果】本発明の連結構造では、延長して並べた
プレキャスト構造物の縁部間にＰＣ鋼材を跨せ、この端
部に支圧板を介してナットを定着して該構造物を連結す
ることができる。また該ＰＣ鋼材を緊張することにより
両構造物の端部にプレストレスを付与することにより構
造物縁部の強度を増すことができる。In the connecting structure of the present invention, the PC steel material is straddled between the edges of the precast structures that are extended and arranged, and the nuts are fixed to the ends through the bearing plate to connect the structures. can do. Further, by tensioning the PC steel material, prestressing is applied to the ends of both structures, so that the strength of the edges of the structures can be increased.
【００２９】また本発明の連結方法では、構造物の連結
にレンチを使用することにより簡易に且つ迅速に連結す
ることができ、作業能率を大幅に工場させることができ
る。Further, in the connecting method of the present invention, the structure can be connected easily and quickly by using a wrench, and the work efficiency can be greatly increased.
【図面の簡単な説明】[Brief description of drawings]
【図１】本発明のプレキャスト構造物の連結構造の実施
例を示す縦断面図である。FIG. 1 is a vertical cross-sectional view showing an example of a connection structure for a precast structure according to the present invention.
【図２】図１のＰＣ鋼材を緊張するＰＣ鋼材緊張治具を
示す概略図である。FIG. 2 is a schematic view showing a PC steel material tension jig for tensioning the PC steel material of FIG.
【図３】本発明のプレキャスト構造物の連結構造の他の
実施例を示す縦断面図である。FIG. 3 is a vertical cross-sectional view showing another embodiment of the connection structure of the precast structure of the present invention.
【図４】本発明のプレキャスト構造物の連結方法を示す
工程図である。FIG. 4 is a process drawing showing a method for connecting precast structures according to the present invention.
【図５】従来のプレキャスト構造物の連結構造を示す縦
断面図である。FIG. 5 is a vertical cross-sectional view showing a connection structure of a conventional precast structure.
１、１’ 橋台 ２ 橋脚 ５ 無収縮モルタル ６ 弾性体 ７ グラウト １０、１０’、５０、５０’ プレキャスト構造物 １１、１１’、３１、３１’、５１、５１’ ダクト １２、１２’、３２、３２’、５２、５２’ 縦穴 １３ 横穴 １４、３４ シース １６、１６’ ＰＣ鋼材 １７、１７’ 支圧板 １８、１８’ ナット １９、３９、５９ 目地部 ２０ ＰＣ鋼材緊張治具 ２１ ハウジング ２２ 駆動側歯車 ２３ 従動側歯車 ２４ 中間歯車 ２５ トルクレンチ ３０、３０’ ポンツーン ５６、５６’ 棒鋼 1, 1'Abutment 2 Pier 5 Non-shrink mortar 6 Elastic body 7 Grout 10, 10 ', 50, 50' Precast structure 11, 11 ', 31, 31', 51, 51 'Duct 12, 12', 32, 32 ', 52, 52' Vertical hole 13 Horizontal hole 14, 34 Sheath 16, 16 'PC steel 17, 17' Bearing plate 18, 18 'Nut 19, 39, 59 Joint 20 PC steel tension jig 21 Housing 22 Drive side gear 23 Driven Gear 24 Intermediate Gear 25 Torque Wrench 30, 30 'Pontoon 56, 56' Steel Bar
───────────────────────────────────────────────────── フロントページの続き (71)出願人 000103769 オリエンタル建設株式会社 東京都千代田区平河町二丁目１番１号 (72)発明者 佐藤 良一 栃木県宇都宮市下平出町1023−２ 宇都宮 大学工学部宿舎２号 (72)発明者 阿部 洋一 神奈川県横須賀市三春町２−27 (72)発明者 熊倉 正志 栃木県下都賀郡岩舟町大字新里18番地 (72)発明者 宅間 善三郎 埼玉県志木市館２−４−６−1303 (72)発明者 近藤 順 栃木県真岡市亀山334−22 (72)発明者 甲斐 一夫 埼玉県越谷市大沢2946 トリバンベール岡 井203 ─────────────────────────────────────────────────── ─── Continuation of the front page (71) Applicant 000103769 Oriental Construction Co., Ltd. 1-1-1, Hirakawacho, Chiyoda-ku, Tokyo (72) Inventor Ryoichi Sato 1023-2 Shimohiraide-cho, Utsunomiya-shi, Tochigi Utsunomiya University Faculty of Engineering 2 No. (72) Inventor Yoichi Abe 2-27 Miharucho, Yokosuka City, Kanagawa Prefecture (72) Inventor Masashi Kumakura 18 Shinzato, Iwafune Town, Shimotsuga County, Tochigi Prefecture (72) Inventor Zensaburo Takuma 2-4 Shiki City, Saitama Prefecture -6-1303 (72) Inventor Jun Kondo 334-22 Kameyama, Moka-shi, Tochigi Prefecture (72) Inventor Kazuo Kai Kai 2946 Osawa, Koshigaya-shi, Saitama Trivanvert 203
Claims (2)
部間にＰＣ鋼材を跨せて該構造物を連結する構造におい
て、前記各構造物の接合縁部には該縁部に対してクロス
する方向にそれぞれ鋼材挿入ダクトを設け、また両構造
物間に跨るＰＣ鋼材の両端部にあたる部分にはそれぞれ
上方に開口する縦穴を設けることにより、ＰＣ鋼材を前
記縁部間に跨せて、その両端部を各ダクト内に支圧板を
介して定着させたことを特徴とするプレキャスト構造物
の連結構造。1. In a structure in which PC steel materials are straddled between the edges of precast structures that are extended and arranged to connect the structures, the joint edges of the respective structures are crossed with the edges. The steel material insertion ducts are provided in the respective directions, and vertical holes that open upward are provided at the portions corresponding to both ends of the PC steel material that straddle both structures, so that the PC steel material is straddled between the edge portions. A connecting structure for a precast structure, characterized in that both ends are fixed in each duct via pressure bearing plates.
り、まずＰＣ鋼材を両構造物の縁部のクロスする方向に
設けた各ダクト間に跨せ、次いで該ＰＣ鋼材の両端に支
圧板を介してナットをレンチによって定着して該構造物
を連結することを特徴とするプレキャスト構造物の連結
方法。2. When connecting a precast structure, first, a PC steel material is laid across each duct provided in a direction crossing the edges of both structures, and then nuts are provided at both ends of the PC steel material via pressure bearing plates. A method for connecting a precast structure, characterized in that the structure is fixed with a wrench to connect the structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18984993A JPH0742245A (en) | 1993-07-30 | 1993-07-30 | Connection structure of precast structural body and connection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18984993A JPH0742245A (en) | 1993-07-30 | 1993-07-30 | Connection structure of precast structural body and connection method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0742245A true JPH0742245A (en) | 1995-02-10 |
Family
ID=16248228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18984993A Pending JPH0742245A (en) | 1993-07-30 | 1993-07-30 | Connection structure of precast structural body and connection method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0742245A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003003572A (en) * | 2001-06-22 | 2003-01-08 | Taiyo Gijutsu Kaihatsu Kk | Connecting method for pc member |
| JP2008248648A (en) * | 2007-03-30 | 2008-10-16 | Railway Technical Res Inst | Concrete structure and joining method of concrete structure |
| JP2011026868A (en) * | 2009-07-27 | 2011-02-10 | Masashi Tanno | Jointing method for concrete member, jointing structure for concrete member, and joint concrete structure |
| JP2011069064A (en) * | 2009-09-24 | 2011-04-07 | Taisei Corp | Joint structure of precast member, and construction method of the same |
| JP2013028954A (en) * | 2011-07-28 | 2013-02-07 | Toyota T & S Kensetsu Kk | Precast concrete member crimp-connection method |
| JP2020165298A (en) * | 2019-03-27 | 2020-10-08 | 株式会社熊谷組 | Connection structure and connection method of concrete member |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5059651A (en) * | 1973-09-28 | 1975-05-23 | ||
| JPS5059650A (en) * | 1973-09-24 | 1975-05-23 |
-
1993
- 1993-07-30 JP JP18984993A patent/JPH0742245A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5059650A (en) * | 1973-09-24 | 1975-05-23 | ||
| JPS5059651A (en) * | 1973-09-28 | 1975-05-23 |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003003572A (en) * | 2001-06-22 | 2003-01-08 | Taiyo Gijutsu Kaihatsu Kk | Connecting method for pc member |
| JP2008248648A (en) * | 2007-03-30 | 2008-10-16 | Railway Technical Res Inst | Concrete structure and joining method of concrete structure |
| JP2011026868A (en) * | 2009-07-27 | 2011-02-10 | Masashi Tanno | Jointing method for concrete member, jointing structure for concrete member, and joint concrete structure |
| JP2011069064A (en) * | 2009-09-24 | 2011-04-07 | Taisei Corp | Joint structure of precast member, and construction method of the same |
| JP2013028954A (en) * | 2011-07-28 | 2013-02-07 | Toyota T & S Kensetsu Kk | Precast concrete member crimp-connection method |
| JP2020165298A (en) * | 2019-03-27 | 2020-10-08 | 株式会社熊谷組 | Connection structure and connection method of concrete member |
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