- 摘 要
-
韓軍科1，楊風(fēng)利1，楊靖波1，李振寶2
（1 中國電力科學(xué)研究院，北京100192；2 北京工業(yè)大學(xué)，工程抗震與結(jié)構(gòu)診治北京市重點(diǎn)實(shí)驗(yàn)室，北京100022）[摘要] 冷彎型鋼冷彎效應(yīng)隨著鋼板或鋼帶的厚度不同而不同，我國現(xiàn)行冷彎薄壁規(guī)范中考慮冷彎效應(yīng)的強(qiáng)度設(shè)計(jì)值的計(jì)算方法，是針對厚度小于等于6mm提出的。通過從厚壁冷彎內(nèi)卷邊角鋼截取平板、臨近彎角以及彎角板件進(jìn)行材料力學(xué)性能試驗(yàn)，研究厚壁冷彎型鋼冷彎效應(yīng)對鋼材強(qiáng)度的影響。根據(jù)板件試樣的實(shí)測數(shù)據(jù)，將我國現(xiàn)行冷彎薄壁型規(guī)范中考慮冷彎效應(yīng)的強(qiáng)度設(shè)計(jì)值的計(jì)算方法進(jìn)行修正，提出厚壁冷彎型鋼考慮冷彎效應(yīng)強(qiáng)度提高的設(shè)計(jì)公式，并通過軸心受壓構(gòu)件試驗(yàn)，將試驗(yàn)值與修正公式計(jì)算值進(jìn)行對比分析。
[關(guān)鍵詞] 厚壁冷彎型鋼；冷彎效應(yīng)；受壓構(gòu)件；試驗(yàn)研究Experimental study and analysis on effect of cold-formed procedures to cold-formed thick-walled steel members
Hanjunke1, YangFengli1, Yangjingbo1, Lizhenbao2
(1 China Electric Power Research Institute, Beijing 100192, China;2 Beijing Key Laboratory of Earthquake Engineering & Structural Retrofit, Beijing University of Technology, Beijing 100022, China)Abstract: The effect of cold-formed procedures to cold-formed steel members is different with different thick of steel plate or steel strip. The design method of cold-formed steel members considering the strengthening in Chinese code is proposed when the thickness is less than or equals 6mm. In order to study the effect of cold-formed procedures on strength, the mechanical property tests are developed on the plate of flats, adjacent corners and corners, which are intercepted from cold-formed thick-walled lipped angles. According the dates results of test, advice on improving the formula is proposed, which is used to design the member (t≤6mm) in China, and the design method of cold-formed tick-walled steel members considered the strengthening is proposed, at the same time, the results of the axial compression column's tests and the results ofthe calculation method are compared and analyzed.
Keywords: cold-formed thick-walled steel members; effect of cold-formed procedures; compression members; experimental study
- 下載地址
-
