JPS61184741U

JPS61184741U -

Info

Publication number: JPS61184741U
Application number: JP6603985U
Authority: JP
Priority date: 1985-05-02
Filing date: 1985-05-02
Publication date: 1986-11-18

Description

[Brief explanation of the drawing]

第１図はこの考案の実施例による施工の様子を
示す縦断面図、第２図は従来例の仮置き時の斜視
図、第３図は打設施工時の縦断面図、第４図およ
び第５図は裏込め時の縦断面図、第６図はこの考
案の実施例による場合の斜視図、第７図は打設施
工時の縦断面図、第８図および第９図は裏込め時
の縦断面図である。１……コンクリート部材、２……ＰＣ鋼材、３
……定着体、４，５……緊張端、６……ジヤツキ
、７……定規材、８……ステイ。 Fig. 1 is a longitudinal sectional view showing the state of construction according to an embodiment of this invention, Fig. 2 is a perspective view of the conventional example during temporary storage, Fig. 3 is a longitudinal sectional view during pouring construction, Fig. 4, and Fig. 5 is a longitudinal sectional view during backfilling, Fig. 6 is a perspective view of an embodiment of this invention, Fig. 7 is a longitudinal sectional view during pouring construction, and Figs. 8 and 9 are backfilling. FIG. 1... Concrete member, 2... PC steel material, 3
... Fixing body, 4, 5 ... Tension end, 6 ... Jacket, 7 ... Ruler material, 8 ... Stay.

Claims

[Scope of Claim for Utility Model Registration] (1) A fixing body is provided at a longitudinally intermediate portion of a prestressing steel material disposed within a concrete member, and a tension force is introduced into the prestressing steel material, and the tension between the fixing body and one end is A prestressed concrete member that is characterized by an unbonded area between the ends and allows for partial prestress increase/decrease. (2) A prestressed concrete member capable of partially increasing or decreasing prestress as set forth in claim 1 of the utility model registration claim, in which the fixing body is formed in the shape of a brim.