任意截面任意布筋的配筋计算

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Abstract Research purposes: It has been an unsolved difficult problem in engineering to conduct fabrication calculation for reinforcement structure when complex bar arranging is required on complex cross—section．The right solution has not been given to the fabrication on the non—symmetric and non—equably reinforcement section．Taking AutoCAD fits the secondary developing platform，based on ObjectARX and VC++ along with analytic method，iteration method and graphic method，this paper initially perfects fabrication calculation for reinforcement structure when arbitrary bar arranging is required on arbitrary cross—section(allowable stress method)，and as a result，a fitting arbitrary bar arranging program I’S made with allowable stress method．

Research conclusions: The results of comparison and verification of considerable calculation cases show that AFPA is feasible and reliable in computing reinforcements for random reinforced concrete section and in computing the stress redistribution for random concrete section；and the computation by means of AFPA show the diaphragm set in the middle of bi—directional stressed hollow section has a little effect on controlling sectional rebar stress and crack width.

Key words： allowable stress method arbitrary cross—section bar arranging AutoCAD secondary development

Received: 13 November 2008

PACS:

U442

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http://tdgcxb.crec.cn/EN/ OR http://tdgcxb.crec.cn/EN/Y2009/V26/I6/58