人民黄河
人民黃河
인민황하
Yellow River
2015年
1期
126-129
,共4页
宋力%宋万增%高玉琴%常芳芳
宋力%宋萬增%高玉琴%常芳芳
송력%송만증%고옥금%상방방
引水涵洞%高填土%地基竖向应力%数值仿真模拟%数值拟合
引水涵洞%高填土%地基豎嚮應力%數值倣真模擬%數值擬閤
인수함동%고전토%지기수향응력%수치방진모의%수치의합
diversion culvert%high fill%foundation vertical stress%numerical simulation%numerical fitting
黄河水闸引水涵洞受力分析多用刚架模型,其地基竖向应力σy分布规律对地基反力形式具有直接影响。对黄河河南段31座引水闸从结构形式(包括涵洞纵剖面和横断面特征、混凝土强度、线刚度等)、涵洞上部填土高度、基础土质等方面开展调研,并主要依据设计竣工图进行了引水涵洞特征归纳分析,总结了涵洞的主要特征,并以此为依据利用数值仿真模拟方法对典型涵洞地基竖向应力σy分布规律开展研究。结果表明,地基竖向应力分布使用六次多项式可以反映其规律。给出了采用弹性地基边界进行涵洞受力分析的建议。
黃河水閘引水涵洞受力分析多用剛架模型,其地基豎嚮應力σy分佈規律對地基反力形式具有直接影響。對黃河河南段31座引水閘從結構形式(包括涵洞縱剖麵和橫斷麵特徵、混凝土彊度、線剛度等)、涵洞上部填土高度、基礎土質等方麵開展調研,併主要依據設計竣工圖進行瞭引水涵洞特徵歸納分析,總結瞭涵洞的主要特徵,併以此為依據利用數值倣真模擬方法對典型涵洞地基豎嚮應力σy分佈規律開展研究。結果錶明,地基豎嚮應力分佈使用六次多項式可以反映其規律。給齣瞭採用彈性地基邊界進行涵洞受力分析的建議。
황하수갑인수함동수력분석다용강가모형,기지기수향응력σy분포규률대지기반력형식구유직접영향。대황하하남단31좌인수갑종결구형식(포괄함동종부면화횡단면특정、혼응토강도、선강도등)、함동상부전토고도、기출토질등방면개전조연,병주요의거설계준공도진행료인수함동특정귀납분석,총결료함동적주요특정,병이차위의거이용수치방진모의방법대전형함동지기수향응력σy분포규률개전연구。결과표명,지기수향응력분포사용륙차다항식가이반영기규률。급출료채용탄성지기변계진행함동수력분석적건의。
Water diversion culvert of the Yellow River sluice often uses frame model in the stress analysis,and vertical stressσy distribution of its foundation has a direct impact on the ground reaction force forms. To solve this problem,it investigated and studied 31 sluices in Henan section of the Yellow River,including the structure of the form (including culverts longitudinal section and cross section characteristics, strength of concrete,wire stiffness,and so on),culverts upper filling height,soil and other aspects of basic research,induced and analyzed the characteristics of diversion culvert based on the design and completion drawing,summarized the main features of the culvert,and as a ba-sis for typical culverts,used numerical simulation method to study the distribution of vertical stressσy research foundation. The results show that it can get its laws in line with 6 polynomial conclusion and give the proposal about stress analysis culvert by the elastic foundation bound-ary.