JPH0728310Y2 - Receiving metal fitting for PC steel wire - Google Patents
Receiving metal fitting for PC steel wireInfo
- Publication number
- JPH0728310Y2 JPH0728310Y2 JP1990015359U JP1535990U JPH0728310Y2 JP H0728310 Y2 JPH0728310 Y2 JP H0728310Y2 JP 1990015359 U JP1990015359 U JP 1990015359U JP 1535990 U JP1535990 U JP 1535990U JP H0728310 Y2 JPH0728310 Y2 JP H0728310Y2
- Authority
- JP
- Japan
- Prior art keywords
- steel wire
- metal fitting
- concrete structure
- fixing
- fitting body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 229910000831 Steel Inorganic materials 0.000 title claims description 43
- 239000010959 steel Substances 0.000 title claims description 43
- 239000002184 metal Substances 0.000 title claims description 42
- 229910052751 metal Inorganic materials 0.000 title claims description 42
- 238000005452 bending Methods 0.000 claims description 10
- 238000000465 moulding Methods 0.000 claims description 9
- 239000000725 suspension Substances 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 238000009415 formwork Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Landscapes
- Rod-Shaped Construction Members (AREA)
Description
【考案の詳細な説明】 〔産業上の利用分野〕 この考案は、曲げ応力に対して補強すべきコンクリート
構造物内に配設するPC鋼線を、コンクリート構築物成形
時において支持する受け金具に関するものである。[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a bracket for supporting a PC steel wire, which is arranged in a concrete structure to be reinforced against bending stress, when molding a concrete structure. Is.
従来、PC鋼線の配設作業は、主筋およびフープ筋を利用
し、その各鉄筋へ針金等により固定して適宜取付けるこ
とで行われている。Conventionally, the PC steel wire arranging work is performed by using a main bar and a hoop bar, and fixing them to each rebar by a wire or the like and appropriately attaching them.
しかし、曲げ応力に対して補強すべきコンクリート構造
物では、各部の応力に対処すべく、PC鋼線を、両端部に
おいて上方側であると共に中央部において下方側である
ような懸垂曲線状として配設する必要がある。However, in concrete structures that should be reinforced against bending stress, the PC steel wire is arranged in a suspension curve shape such that it is on the upper side at both ends and on the lower side in the center in order to cope with the stress in each part. Need to be installed.
そのため、前述した従来の、主筋およびフープ筋を利用
してその各鉄筋へ針金等により固定することで行う、PC
鋼線の配設作業は、針金等により、各鉄筋毎に固定して
懸垂曲線状に支持することで行われるので、懸垂曲線状
とする所定位置での固定が面倒で時間のかかるものであ
った。Therefore, by using the above-mentioned conventional main bar and hoop bar to fix each rebar with wire etc., PC
Since the work of arranging the steel wire is performed by fixing each rebar by wire etc. and supporting it in a suspension curve shape, fixing it in a predetermined position to make a suspension curve shape is troublesome and time consuming. It was
この考案は前述した事情に鑑みて創案されたものであ
り、その目的は、曲げ応力に対して補強すべきコンクリ
ート構造物内に配設するPC鋼線の配設作業が、容易に短
時間で行えるようにすることのできるPC鋼線配設用受け
金具を提供することにある。This invention was created in view of the above-mentioned circumstances, and its purpose is to easily and quickly install a PC steel wire to be installed in a concrete structure to be reinforced against bending stress in a concrete structure. It is to provide a receiving member for arranging a PC steel wire that can be performed.
この考案によるPC鋼線配設用受け金具は、曲げ応力に対
して補強すべきコンクリート構造物内に配設するPC鋼線
を、両端部において上方側であると共に中央部において
下方側であるような懸垂曲線状とすべく、前記コンクリ
ート構造物成形時に前記PC鋼線の長手方向複数箇所を支
持するものである。The metal fitting for laying PC steel wire according to the present invention is such that the PC steel wire to be laid in the concrete structure to be reinforced against bending stress is located on the upper side at both ends and on the lower side in the central part. In order to form a suspension curve, the PC steel wire is supported at a plurality of positions in the longitudinal direction when the concrete structure is formed.
そして、この受け金具は、前記PC鋼線が係止する係止凹
部を有する支持部および、この支持部の両端から上方へ
立設しており、その立設方向へ延びた長穴を有する両調
節部から略コ字状に形成されている金具本体と、この金
具本体における両調節部のそれぞれにその長穴を貫通し
た調節用ボルトによって取付けられており、上端に前記
コンクリート構造物成形用の型枠への固着用折曲部を有
する略Ｌ字状に形成された固着部とからなる。The receiving metal fitting is provided with a supporting portion having a locking concave portion for locking the PC steel wire, and a supporting member which is erected upward from both ends of the supporting member and has an elongated hole extending in the standing direction. A metal fitting body formed in a substantially U-shape from the adjusting portion and attached to each of the both adjusting portions of the metal fitting body by adjusting bolts penetrating the elongated holes, and the upper end for molding the concrete structure. The fixing portion is formed in a substantially L shape and has a bent portion for fixing to the mold.
これらのことから、本考案の受け金具は、両調節部の長
穴を貫通した調節用ボルトを介して、コンクリート構造
物成形用の型枠へ固着した固着部に取付けられた金具本
体を、長穴と調節用ボルトとの作用より、上下動させる
ことができるようにしている。From these things, the receiving metal fitting of the present invention has the metal fitting body attached to the fixing portion fixed to the formwork for concrete structure molding through the adjusting bolt penetrating the elongated holes of both adjusting portions. By the action of the hole and the adjusting bolt, it can be moved up and down.
このような構成からなる本考案の受け金具では、PC鋼線
の長手方向に複数個設けると共に、その各受け金具にお
ける金具本体，即ち、PC鋼線用係止凹部を有する支持部
を適宜上下動させることで、両端部において上方側であ
ると共に中央部において下方側であるような懸垂曲線状
とする、PC鋼線の長手方向所定位置での固定が簡単に行
えるようにして、PC鋼線の懸垂曲線状とした配設を容易
に行えるようにする。In the receiving bracket of the present invention having such a structure, a plurality of PC steel wires are provided in the longitudinal direction, and the main body of each receiving bracket, that is, the supporting portion having the PC steel wire locking recess is vertically moved. By doing so, it becomes a suspension curve shape such that it is on the upper side at both ends and on the lower side in the central part, so that it can be easily fixed at a predetermined position in the longitudinal direction of the PC steel wire. To make it possible to easily perform a suspended curved arrangement.
以下、この考案のPC鋼線配設用受け金具を、図示する実
施例によって説明する。Hereinafter, the receiving member for arranging the PC steel wire of the present invention will be described with reference to the illustrated embodiment.
PC鋼線配設用受け金具１（第１図〜第３図参照）は、曲
げ応力に対して補強すべきコンクリート構造物２内に配
設するPC鋼線３を、両端部において上方側であると共に
中央部において下方側であるような懸垂曲線状とすべ
く、コンクリート構造物２成形時にPC鋼線３の長手方向
複数箇所を支持するものである。The receiving member 1 for arranging the PC steel wire (see FIGS. 1 to 3) has the PC steel wire 3 to be reinforced in the concrete structure 2 to be reinforced against bending stress on both sides at the upper side. At the same time, a plurality of PC steel wires 3 are supported in the longitudinal direction at the time of forming the concrete structure 2 so as to have a suspension curve shape that is on the lower side in the central portion.
そして、この受け金具１は、PC鋼線３が係止する係止凹
部４を有する支持部５、およびこの支持部５の両端から
上方へ立設しており、その立設方向へ延びた長穴６を有
する両調節部7,7から略コ字状に形成されている金具本
体８と、この金具本体８における両調節部７のそれぞれ
に、その長穴６を貫通した調節用ボルト９によって固定
されており、上端にコンクリート構造物２成形用の型枠
10への固着用折曲部11を有する略Ｌ字状に形成された固
着部12とからなっている。The receiving metal fitting 1 is provided with a supporting portion 5 having a locking concave portion 4 with which the PC steel wire 3 is locked, and is erected upward from both ends of the supporting portion 5, and extends in the standing direction. A metal fitting body 8 formed in a substantially U-shape from both adjusting portions 7, 7 having a hole 6, and an adjusting bolt 9 penetrating the elongated hole 6 in each of the both adjusting portions 7 of the metal fitting body 8. It is fixed and has a mold for molding concrete structure 2 at the upper end.
The fixing portion 12 is formed in a substantially L shape and has a fixing bent portion 11 to the fixing portion 10.
なお、この実施例での曲げ応力に対して補強すべきコン
クリート構造物２は、スラブ13を補強するために、その
下面に形成されている梁である。The concrete structure 2 to be reinforced against bending stress in this embodiment is a beam formed on the lower surface of the slab 13 in order to reinforce it.
また、この実施例での受け金具１の金具本体８および固
着部12は、板状材でなっており、プレスすることで金具
本体８である支持部５の係止凹部４が、折曲することで
固着部12がそれぞれ形成されている。また、この受け金
具１は、角部に補強部が形成されている等の鉄板で形成
されているので、伸びがない。しかも、金具本体７の支
持部５に形成されている係止凹部４は、その長手方向に
二個形成されており、PC鋼線３を二本係止できるように
なっている。Further, the metal fitting body 8 and the fixing portion 12 of the receiving fitting 1 in this embodiment are made of a plate-shaped material, and the pressing recess 4 of the support portion 5 which is the metal fitting body 8 is bent by pressing. As a result, the fixing portions 12 are formed respectively. Further, since the receiving metal fitting 1 is formed of an iron plate such as a reinforcing portion formed at a corner, it does not stretch. Moreover, the two locking recesses 4 formed in the support portion 5 of the metal fitting body 7 are formed in the longitudinal direction thereof so that two PC steel wires 3 can be locked.
さらに、金具本体８の調節部７に形成されている長穴６
を貫通した調節用ボルト９は、両ネジボルトでなってい
る。Further, the elongated hole 6 formed in the adjusting portion 7 of the metal fitting body 8
The adjusting bolt 9 penetrating through is a double screw bolt.
そして、金具本体８と固着部12との固定は、調節用ボル
ト９が固着部12をも貫通するようにし、長穴６および固
着部12を貫通した後の調節用ボルト９両端に螺合するナ
ット14で、調節部７および固着部12を締め付けることに
より行われる。ここでナット14による締め付けを緩め
て、長穴６および固着部12を貫通した状態の調節用ボル
ト９が、金具本体８の調節部７に形成されている長穴６
に沿う移動，即ち上下動できる状態にすれば、固着部12
の固着用折曲部11と金具本体７の係止凹部４との間隔
（距離）を調節することができる。Then, the metal fitting body 8 and the fixing portion 12 are fixed such that the adjusting bolt 9 also penetrates the fixing portion 12 and is screwed to both ends of the adjusting bolt 9 after passing through the elongated hole 6 and the fixing portion 12. This is done by tightening the adjusting portion 7 and the fixing portion 12 with the nut 14. Here, the tightening by the nut 14 is loosened, and the adjusting bolt 9 penetrating the elongated hole 6 and the fixing portion 12 is formed in the adjusting portion 7 of the metal fitting body 8.
If it moves along, that is, can move up and down,
It is possible to adjust the distance (distance) between the fixing bent portion 11 and the locking concave portion 4 of the metal fitting body 7.
なお、第１図および第２図において、符号15は主筋，符
号16はスターラップである。In FIGS. 1 and 2, reference numeral 15 is a main line and reference numeral 16 is a stirrup.
このような構成からなるPC鋼線配設用受け金具１を使用
してのPC鋼線３の配設作業は、先ず、梁であるコンクリ
ート構造物２の長手方向に、受け金具１を所定間隔で複
数個固定する。ここでの受け金具１の固着作業は、コン
クリート構造物２成形用の型枠10（この実施例ではスラ
ブ13下面の形成用型枠）へ、受け金具１における固着部
12の固着用折曲部11を釘17等によって固着することで行
われる。なお、この釘止めは、所定の場所への、仮止め
や本固定を簡単に行うことができる。To arrange the PC steel wires 3 using the PC steel wire locating bracket 1 having such a structure, first, the brackets 1 are arranged at predetermined intervals in the longitudinal direction of the concrete structure 2 which is a beam. To fix more than one. The fixing work of the receiving metal fitting 1 here is performed by fixing the receiving metal fitting 1 to the mold 10 for molding the concrete structure 2 (in this embodiment, the forming mold for the lower surface of the slab 13).
This is done by fixing the fixing bent portions 11 of 12 with nails 17 or the like. Note that this nailing can be easily performed temporarily and permanently fixed to a predetermined place.
次に、ナット14による締め付けを緩めて、長穴６および
固着部12を貫通した状態の調節用ボルト９を、金具本体
８の調節部７に形成されている長穴６に沿って移動，即
ち上下動させる。このことにより、固着部12の固着用折
曲部11と金具本体７の支持部５との間隔（距離）を調節
して、各受け金具１における金具本体８の支持部５の位
置が、両端部において上方側であると共に中央部におい
て下方側であるような懸垂曲線上位置となるようにす
る。Next, the tightening by the nut 14 is loosened, and the adjustment bolt 9 penetrating the elongated hole 6 and the fixing portion 12 is moved along the elongated hole 6 formed in the adjusting portion 7 of the metal fitting body 8, that is, Move up and down. By this, the distance (distance) between the fixing bent portion 11 of the fixing portion 12 and the supporting portion 5 of the metal fitting body 7 is adjusted so that the position of the supporting portion 5 of the metal fitting body 8 in each receiving metal fitting 1 is set at both ends. The position on the suspension curve is such that it is on the upper side in the part and on the lower side in the central part.
次に、このように懸垂曲線状に設置された各受け金具１
における支持部５の係止凹部４に、PC鋼線３を二本係止
させる。このことで、各PC鋼線３がその長手方向におけ
る所定位置を各受け金具１の支持部５で支持されて、両
端部において上方側であると共に中央部において下方側
であるような懸垂曲線状に配設されることとなる。Next, each receiving metal fitting 1 installed in such a suspended curve shape
The two PC steel wires 3 are locked in the locking recesses 4 of the support portion 5 in FIG. As a result, each PC steel wire 3 is supported at the predetermined position in the longitudinal direction by the supporting portion 5 of each receiving metal fitting 1, and the suspension curve shape is such that both ends are on the upper side and the central portion is on the lower side. Will be installed in.
このように、この考案によれば、各受け金具１における
金具本体８の支持部５によって、PC鋼線３の長手方向所
定位置における上下任意位置での固定が簡単に行え、PC
鋼線３の懸垂曲線状とした配設を容易に行うことができ
る。As described above, according to the present invention, the support portion 5 of the metal fitting body 8 of each of the receiving metal fittings 1 can easily fix the PC steel wire 3 at an arbitrary vertical position at a predetermined position in the longitudinal direction.
The steel wire 3 can be easily arranged in the shape of a suspended curve.
なお、本考案の受け金具１は、曲げ応力に対して補強す
べきコンクリート構造物２を前述した実施例のように梁
とした場合の他に、構造物単体とした場合にも使用する
ことができる。そして、このコンクリート構造物２を構
造物単体とした場合には、受け金具１の固着用折曲部11
を折曲して外部へ突出させることにより、枠止め金物等
のその他の金物に利用できる。The receiving metal fitting 1 of the present invention can be used not only when the concrete structure 2 to be reinforced against bending stress is a beam as in the above-described embodiment but also when it is a single structure. it can. When the concrete structure 2 is used as a single structure, the fixing bent portion 11 of the receiving fitting 1 is fixed.
By bending and projecting to the outside, it can be used for other metal objects such as frame stopper hardware.
また、本考案の受け金具１は、固着用折曲部11により、
コンクリート構造物２成形用の型枠10に固定するので、
コンクリート構造物２用の主筋15やスターラップ16等を
セットした後に取付けることができる。そのため、コン
クリート構造物２用の主筋15やスターラップ16等（鉄筋
籠）のセットが、受け金具１によって妨げられることな
く簡単に行える。In addition, the receiving metal fitting 1 of the present invention, by the fixing bent portion 11,
Since it is fixed to the mold 10 for molding the concrete structure 2,
It can be installed after setting the main bar 15 and the stirrup 16 for the concrete structure 2. Therefore, the main bar 15 and the stirrup 16 for the concrete structure 2 and the like (reinforcing bar cage) can be easily set without being hindered by the bracket 1.
この考案のPC鋼線配設用受け金具は、PC鋼線が係止する
係止凹部を有する支持部、およびこの支持部の両端から
上方へ立設しており、その立設方向へ延びた長穴を有す
る両調節部から略コ字状に形成されている金具本体と、
この金具本体における両調節部のそれぞれに、その長穴
を貫通した調節用ボルトによって取付けられており、上
端に前記コンクリート構造物成形用の型枠への固着用折
曲部を有する略Ｌ字状に形成された固着部とからなるこ
とを特徴としている。The receiving member for arranging PC steel wire of this invention has a supporting portion having a locking recess for locking the PC steel wire, and is erected upward from both ends of the supporting portion and extends in the erection direction. A metal fitting body that is formed in a substantially U-shape from both adjustment parts having elongated holes,
A substantially L-shape that is attached to each of the adjusting parts of the metal fitting body by an adjusting bolt that penetrates the elongated hole, and has a bent part for fixing to the mold for molding the concrete structure at the upper end. It is characterized in that it comprises a fixed portion formed on the.
そして、この構成によれば、両調節部の長穴を貫通した
調節用ボルトを介して、コンクリート構造物成形用の型
枠への固着部に取付けられている金具本体を、長穴と調
節用ボルトとの作用より、上下動させることができる。
このことは、固着部の固着用折曲部と金具本体の係止凹
部との間隔（距離）を調節することができることとな
る。Further, according to this configuration, the metal fitting body attached to the fixing portion to the formwork for molding the concrete structure is attached to the long hole and the adjustment bolt through the adjustment bolt that penetrates the long holes of the both adjustment portions. It can be moved up and down by the action of the bolt.
This makes it possible to adjust the distance (distance) between the fixing bent portion of the fixing portion and the locking recess of the metal fitting body.
そのため、受け金具をPC鋼線の長手方向に固着部の固着
によって複数個設けると共に、各受け金具における金具
本体，即ち、PC鋼線用係止凹部を有する支持部を適宜上
下動させることで、PC鋼線の長手方向の所定位置におけ
る上下方向任意位置での固定が簡単に行え、両端部にお
いて上方側であると共に中央部において下方側であるよ
うな懸垂曲線状へのPC鋼線の配設を容易に行うことがで
きる。Therefore, a plurality of receiving metal fittings are provided in the longitudinal direction of the PC steel wire by fixing the fixing portions, and the metal fitting main body of each receiving metal fitting, that is, the supporting portion having the PC steel wire locking concave portion is appropriately moved up and down, The PC steel wire can be easily fixed at any position in the vertical direction at a predetermined position in the longitudinal direction of the PC steel wire, and the PC steel wire is arranged in a suspended curve shape such that both ends are on the upper side and the central part is on the lower side. Can be done easily.
第１図は第２図のＡ−Ａ線拡大断面図、第２図はこの考
案のPC鋼線配設用受け金具によって配設したPC鋼線を有
する梁であるコンクリート構造物を示す断面図、第３図
はこの考案のPC鋼線配設用受け金具を示す斜視図であ
る。 １…PC鋼線配設用受け金具、２…コンクリート構造物、
３…PC鋼線、４…係止凹部、５…支持部、６…長穴、７
…調節部、８…金具本体、９…調節用ボルト、10…型
枠、11…固着用折曲部、12…固着部、13…スラブ、14…
ナット、15…主筋、16…スターラップ、17…釘。FIG. 1 is an enlarged sectional view taken along the line AA of FIG. 2, and FIG. 2 is a sectional view showing a concrete structure which is a beam having a PC steel wire arranged by a receiving bracket for arranging a PC steel wire of the present invention. FIG. 3 is a perspective view showing a receiving member for arranging a PC steel wire of the present invention. 1 ... Receiving metal fitting for PC steel wire, 2 ... Concrete structure,
3 ... PC steel wire, 4 ... locking recess, 5 ... support, 6 ... elongated hole, 7
... Adjusting part, 8 ... Metal fitting body, 9 ... Adjusting bolt, 10 ... Formwork, 11 ... Fixing bent part, 12 ... Fixing part, 13 ... Slab, 14 ...
Nuts, 15 ... Main bars, 16 ... Stirrup, 17 ... Nails.
Claims (1)
構造物内に配設するPC鋼線を、両端部において上方側で
あると共に中央部において下方側であるような懸垂曲線
状とすべく、前記コンクリート構造物成形時に前記PC鋼
線の長手方向複数箇所を支持する受け金具であり、 前記PC鋼線が係止する係止凹部を有する支持部および、
この支持部の両端から上方へ立設しており、その立設方
向へ延びた長穴を有する両調節部から略コ字状に形成さ
れている金具本体と、 前記金具本体における両調節部のそれぞれに、その長穴
を貫通した調節用ボルトによって取付けられており、上
端に前記コンクリート構造物成形用の型枠への固着用折
曲部を有する略Ｌ字状に形成された固着部とからなるこ
とを特徴とするPC鋼線配設用受け金具。1. A PC steel wire to be arranged in a concrete structure to be reinforced against bending stress has a suspension curve shape such that the PC steel wire is on the upper side at both end portions and on the lower side in the central portion, It is a receiving member that supports a plurality of longitudinal positions of the PC steel wire at the time of forming the concrete structure, and a support portion having a locking recess for locking the PC steel wire,
A metal fitting body that is provided upright from both ends of the support portion and is formed in a substantially U-shape from both adjustment portions having elongated holes extending in the upright direction, and both adjustment portions of the metal fitting body. Each of them is attached by an adjusting bolt penetrating the elongated hole, and has a substantially L-shaped fixing portion having an upper end having a bending portion for fixing to the mold for molding the concrete structure. A receiving bracket for arranging PC steel wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990015359U JPH0728310Y2 (en) | 1990-02-19 | 1990-02-19 | Receiving metal fitting for PC steel wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990015359U JPH0728310Y2 (en) | 1990-02-19 | 1990-02-19 | Receiving metal fitting for PC steel wire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03108152U JPH03108152U (en) | 1991-11-07 |
| JPH0728310Y2 true JPH0728310Y2 (en) | 1995-06-28 |
Family
ID=31518669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990015359U Expired - Lifetime JPH0728310Y2 (en) | 1990-02-19 | 1990-02-19 | Receiving metal fitting for PC steel wire |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0728310Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5860433B2 (en) * | 2013-04-19 | 2016-02-16 | 株式会社進興 | PC steel support for PRC bridge girder |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6183757A (en) * | 1984-09-27 | 1986-04-28 | 鹿島建設株式会社 | Support method and support metal fittings for PC steel wire, etc. |
-
1990
- 1990-02-19 JP JP1990015359U patent/JPH0728310Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03108152U (en) | 1991-11-07 |
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Legal Events
| Date | Code | Title | Description |
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| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
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| EXPY | Cancellation because of completion of term |