l扶壁式钢筋混凝土挡土墙设计

1、2016 learning implement to tube main leaders topic seminar spirit counselling material 2016 learning implement to tube main leaders topic seminar spirit counselling material March 7, XI General Secretary to I province delegation participate in considered and published has important speech, on XXX province people for China revolution victory and Socialist construction made of contribution give has certainly, on I province past five years implementation focus strategy, and grasp focus industry, ec

2、onomic social development made of results give has certainly, Clarified the demands for development of XXX, referring to both directions, tasks and issues, teaching methods, for the current and future development in Heilongjiang province, is of great practical significance and far-reaching historical significance. March 22 to 24th, provincial held has province tube main leaders topic seminar, provincial Secretary Wang Xiankui comrade in seminar opening province do has important speech, Wang Xian

3、kui stressed: in-depth learning acquisition General Secretary of speech, is on XXX a political account, we must put learning implement XI General Secretary important speech spirit as major political task, adapted and led economic development new normal, insisted to economic construction for Center not shake, implement implementation new development concept, weaknesses, and swagger grams short, and yangchangbuduan, Stimulate the endogenous dynamics, formation effect of EMU, firm implementation of

4、 the five planning, the development of key industries, open Dragon River comprehensive revitalization new journey, struggling to get out of a high quality, efficient, better structure and development road of revitalization of the advantages into full play. March 29 to 30th, the Committee organized a pipe major thematic seminar of leading cadres prefectural comrade Jia Yumei made an important speech at the opening ceremony. Jia Shuji stressed, full district upper and lower must to effective enhan

5、ced learning publicity implement implementation XI General Secretary important speech spirit of political consciously, and thought consciously, and action consciously and mission consciously, put learning XI General Secretary and provincial Secretary Wang Xiankui speech spirit as current primary political task, to more strongly of attitude, and more powerful of measures, and more full of drive promoted forest transformation development, struggled to out of forest transformation development new,

6、ensure as scheduled achieved full built forest society of target. Today the County for convening this Conference, is to fully implement the arrangements of the provincial, prefectural, and is a major political task. County-wide each of the party members and cadres must earnestly study, deeply understand, enter into the heart, done outside the heart, of the line armed with Jia, Secretary of spirit and mind, practice, work, below, I XX practical study Jia Shujis important speech spirit with you. A

7、wareness, deepen the County, General Secretary扶壁式挡土墙验算执行标准：公路计算项目： 扶壁挡土墙100803计算时间： 2010-08-03 10:36:05 星期二-原始条件: 墙身尺寸: 墙身总高: 3.200(m) 墙宽: 0.400(m) 墙趾悬挑长DL: 0.600(m) 墙踵悬挑长DL1: 1.800(m) 底板高DH: 0.400(m) 墙趾端部高DH0: 0.300(m) 扶肋间距: 1.200(m) 扶肋厚: 0.400(m) 扶壁两端墙面板悬挑长度: 0.328(m) 钢筋合力点到外皮距离: 50(mm) 墙趾埋深: 0.700(m) 物理参数: 混凝土墙体容重: 25.000(kN/m3) 混凝土强度等级: C30 纵筋级别: HRB335 抗剪腹筋等级: HPB235 裂缝计算钢筋直径: 20(mm) 挡土墙类型: 一般挡土墙 墙后填土内摩擦角: 35.000(度) 墙后填土粘聚力: 0.000(kPa) 墙后填土容重: 18.000(kN/m3) 墙背与墙后填土摩擦角: 17.500(度) 地基土容重: 18.0

8、00(kN/m3) 修正后地基土容许承载力: 160.000(kPa) 地基土容许承载力提高系数: 墙趾值提高系数: 1.200 墙踵值提高系数: 1.300 平均值提高系数: 1.000 墙底摩擦系数: 0.500 地基土类型: 土质地基 地基土内摩擦角: 30.000(度) 土压力计算方法: 库仑 坡线土柱: 坡面线段数: 2 折线序号 水平投影长(m) 竖向投影长(m) 换算土柱数 1 3.000 0.000 0 2 5.000 0.000 0 作用于墙上的附加外荷载数: 1 (作用点坐标相对于墙左上角点) 荷载号 X Y P 作用角 (m) (m) (kN) (度) 1 0.000 0.000 30.000 270.000 地面横坡角度: 20.000(度) 墙顶标高: 0.000(m) 挡墙分段长度: 10.000(m)钢筋混凝土配筋计算依据:混凝土结构设计规范（GB 50010-2002）=第 1 种情况: 组合1= 组合系数: 1.000 1. 挡土墙结构重力 分项系数 = 1.000 2. 填土重力 分项系数 = 1.000 3. 填土侧压力 分项系数 = 1.400 4. 车辆荷载引起的土侧压力 分项系数 = 1.400 5. 附加力 分项系数 = 1.000 = 土压力计算 计算高度为 3.200(m)处的库仑主动土压力 无荷载时的破裂角 = 30.270(度) 按假想墙背计算得到: 第1破裂角： 27.530(度) Ea=57.603 Ex=24.928 Ey=51.930(kN) 作用点高度 Zy=1.067(m) 因为俯斜墙背，需判断第二破裂面是否存在，计算后发现第二破裂面存在： 第2破裂角=27.502(度) 第1破裂角=27.490(度) Ea=54.091 Ex=24.974 Ey=47

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