包裹式土工格柵加筋土擋墻原型試驗(yàn)的數(shù)據(jù)誤差分析

1、鄒建敏，男，現(xiàn)就讀于昆明理工大學(xué)建筑工程學(xué)院，攻讀道路與鐵道專業(yè)碩士學(xué)位；2004年畢業(yè)于湖南科技大學(xué)（原湘潭工學(xué)院）土木工程學(xué)院的土木工程專業(yè)（路橋方向），同年獲得工學(xué)學(xué)士學(xué)位（見圖1），分別于2002年1月,6月通過CET-4（見圖2）,CET-6（見圖3）。從事土木工程方向兼職翻譯1年，主要涉及房屋建筑，道路橋梁，地下工程，隧道鐵路方面的內(nèi)容。愛好廣泛的英語閱讀，使我對英語有著濃厚的興趣，曾翻譯過多篇有關(guān)專業(yè)論文如斜截面抗剪強(qiáng)度的計(jì)算和最小配箍率的變化、混凝土箱梁橋豎向預(yù)應(yīng)力作用下腹板應(yīng)力場分析等見下文1、2、3。1包裹式土工格柵加筋土擋墻原型試驗(yàn)的數(shù)據(jù)誤差分析 鄒建敏1，周亦唐1，俞錫

2、健2 （1.昆明理工大學(xué) 建筑工程學(xué)院，云南 昆明 650224；2.鐵道科學(xué)研究院鐵建所, 北京 100081）摘要：根據(jù)原型試驗(yàn)中埋設(shè)傳感器時(shí)的實(shí)際狀況及觀測所得到的傳感器讀數(shù)，分析總結(jié)了影響電感式位移計(jì)和振弦式壓力盒讀數(shù)的各種誤差來源和解決方法；進(jìn)而依據(jù)各種誤差對傳感器讀數(shù)可靠性的干擾幅度，初步討論了其主、次關(guān)系。關(guān)鍵詞：道路工程；誤差分析；原型試驗(yàn)；電感式位移計(jì)；振弦式壓力盒；土工格柵Error Analysis of the Data of Prototype Test for Wrapping Geogrid Reinforced Earth Retaining WallZOU J

3、ian-min1, ZHOU Yi-tang1, YU Xi-jian2,(1. Construction Engineering Academy, Kunming University of Science and Technology, Kunming 650224, Yunnan, China; 2. Institute of Railway Construction, China Academy of Railway Sciences, Beijing 100081, China)Abstract: In the prototype test, according to the act

4、ual state of installing sensor and reading number of sensor, analyzing and generalizing the sources of different kinds of errors and their relevant solving methods for inductance displacement meter and vibrating wire pressure cell. And then it has been preliminarily reviewed that the primary and sec

5、ondary relation of different kinds of errors, by their influence on reading number of sensor. Keyword: road engineering, error analysis, prototype test, inductance displacement meter, vibrating wire pressure cell, geogrid2斜截面抗剪強(qiáng)度的計(jì)算和最小配箍率的變化摘要： 鋼筋混凝土結(jié)構(gòu)設(shè)計(jì)規(guī)范從上世紀(jì)六十年代到現(xiàn)在，已經(jīng)作了四次大的調(diào)整和修改。這里分別對四本鋼筋混凝土結(jié)構(gòu)設(shè)計(jì)規(guī)范

6、的受彎構(gòu)件斜截面抗剪強(qiáng)度的計(jì)算公式和最小配箍率的變化進(jìn)行分析比較。每一次鋼筋混凝土結(jié)構(gòu)設(shè)計(jì)規(guī)范的修訂，都更加符合國內(nèi)R.C的發(fā)展。關(guān)鍵詞：抗剪強(qiáng)度；剪跨比；加載形式； 配箍率The Calculating for the Shearing Strength and the Changes forMinimum-Ratio of Stirrups in Oblique SectionAbstract: Since 1960, it has witnessed four big changes of the code for design of concrete structures. This

7、dissertation mainly deals with the calculating formulas of the shearing strength in oblique sections of bending members and the comparison of minimum ratio of stirrups in the four editions of code for design of concrete structures. We amend the code for design of concrete structures every time, and

8、it much accords with the development of domestic R.CKeywords: the shearing strength, hear span ratio, loading form, the ratio of allocated stirrups3混凝土箱梁橋豎向預(yù)應(yīng)力作用下腹板應(yīng)力場分析摘 要: 本文基于有限元分析方法和差分分析方法，對預(yù)應(yīng)力混凝土連續(xù)箱型梁橋的腹板豎向預(yù)應(yīng)力作用下的應(yīng)力場進(jìn)行了分析，并與現(xiàn)行設(shè)計(jì)方法進(jìn)行了比較并指出了腹板開裂的主要原因。分析表明腹板豎向預(yù)應(yīng)力大小不能按現(xiàn)行橋梁設(shè)計(jì)規(guī)范進(jìn)行設(shè)計(jì)。對指導(dǎo)混凝土箱梁橋設(shè)計(jì)和防治混凝土

9、箱梁橋開裂有重要的工程意義，為修改有關(guān)設(shè)計(jì)規(guī)范提供了理論根據(jù)。關(guān)鍵詞: 有限元；差分；砼箱梁；腹板 The Stress-Field Analysis of Ventral Shield of Concrete Case Beam Bridge under the Action of Vertical Pre-stressingAbstract：This article is based upon analytical methods of finite element and difference，and analyzes stress field of ventral shield in

10、prestressed-concrete continuous box beam bridge under the action of vertical prestressing, then draw a comparison with the present design method, finally point out major factors in craze of the ventral shield. The analysis shows that we can not design the sizes of vertical pre-stressing in ventral shield according to the present bridge design norm. It takes on important engineering significance for preventing and curing craze in concrete case beam bridge and supervising the design for concrete case beam bridge, and suppli