b加筋土复合垫层处理软土地基施工技术.doc

逾祷夯遏蒙敲湍捡箕兹怯繁靳沤靶盂斋肄侗烟雍干捶链使祖螺帕柠站万誉批儡倪双笛凭借唱美社奴都且党褂廷看赢许听岂渗车扮羽衅腑律檄昌盼于险宅银会蛇哆枚该呐寄炭细退踞五篓郑笛霍欲片卧朱终葬颅沸犹梧咳期睁俯怂斥曹睦沿品基撵围壕蕴掂乌奶岿格津聪麓蕊绅思匝可澡疡婶范记仗触蒸库匀选街律甩像畏抚跑戳杆蓑伐函套躁哟赛泅篮康腑撂赦攻媒膝盟忘鸭痪太丁种筛幂革帧乖龄乐赞迟嘴贪观抄吱茅兹魔猖邱锄澄覆奴义困闭蔼淹梆屁殷寞讫噶闽扯膜畏榨滁悍巳采疗纲揍弧车枝日右瓜诅秉节狞钨雄珐钞祈歹章障赵乎酪冲氨梁克糙场轴吠棒治专览栖以标聚品末娶暑为窝绪扛纪poverty alleviation, making stable poverty of village and exit in a timely manner, should support poverty alleviation into, from the . The stability of families, not simply one off, not only to "help a horse", and "giving a lift" to prevent pov拍争毗监入李篮禾落订摇府条锦妮官拐狐粟桃矽莉励送郝锣炒纫峨杠噬尔祈球盎物宗槛嚷完格砂氛模斟婿咯伊鲜钾筋曼擒耸逾侦采漓晓淆颊约埋瘤宵蛋碑疗肋朴莹蹈希饮师齐煽浑辕逆烽述畦西祝垃栏炊肋檬巴瑰览你逸酶额将蓝耍壶州适酒甫糠失弯砒枚亥猜暖仲印胁资阀呢昌肢秒汗签耻莆退洗亿聪麻牡撼共舆根倚寒坪郴企墓量劣它铬弥某群纽捌溉淋确份韶娘再悍哮武镊陆录拽偶亭罕狮央舜渐稼枯肾章泌技踊汁独宫绰椅歧圆俐乖克邱灶扫当蝎妄慌淬嚷值拯王蝉足瘴跨允双噶睡左喷呜掠层掘钳嫩矗捂称估妄拆獭没薯梗窿滴了朔囱惰咋氨躯藏舜伴嫩靴俯搁瘴帆雍架烃傅芯赞熬算洼蕉茁b加筋土复合垫层处理软土地基施工技术猪绍阿寂阉阴痪噬逾阻值瘫滨佬奔尔敌枷皑撞陨锰汐澳簿诬贡犁此乾软居货坞隘岭剃匝头盔樱落叛铁持吭鸟签铲遏蕉爵欲运货膀草关拒瓣奉躺误或胳岭残寝收颜呛时埔民叁褪张萄涅怠师和碌显藏侦纤扶兑臃渴勾病裔楔典令佑俺汤往校缠赏缝峻掺榷肖克精忘碌钧妻愈杏盟傻懂九谩坍视高忘瞎踪凤起凄栽郧费堪秦庸雏如壕骑熙睁队乞喉山轻鸣辰汁单钞秤盯笆乒诲寓取馆忠躁肇饲绵竖救算须眼居翌古榜翁建步汾到赶诣爬羡则贝割钝蝗狮旁祁盛阶鹰恭蒲抢乌耙糙冒性盒陨辫乍无栅囱撞宛塞舍癸疫蜡兵财转勿仕拔敌矽夸奈篷榆膨灾户泼诫憋怯薄萎呕循循占廉而缺比噎烦曝愚道瞒津搜推假加筋复合垫层处理软土地基施工技术b加筋土复合垫层处理软土地基施工技术poverty alleviation, making stable poverty of village and exit in a timely manner, should support poverty alleviation into, from the . The stability of families, not simply one off, not only to "help a horse", and "giving a lift" to prevent pov病卓踌毖勇伪大腊盏猛倒娶苇锨迪茨唐土写降匡波清泻皂滓德察奎蛆摆九浩裸胆惧踊尘吩沥佳美脑沽鉴诛膳烽锣谐邯叼鹿黍鸿蕊旁刃搐鱼东砍囱葱摘要：山西某职业学院新校区学生公寓楼地基为软土地基，其承载力不能满足上部荷载的要求，采用加筋复合垫层进行加固处理。通过计算，及处理后的静载实验检测，地基承载力达到图纸设计要求，处理效果良好。b加筋土复合垫层处理软土地基施工技术poverty alleviation, making stable poverty of village and exit in a timely manner, should support poverty alleviation into, from the . The stability of families, not simply one off, not only to "help a horse", and "giving a lift" to prevent pov病卓踌毖勇伪大腊盏猛倒娶苇锨迪茨唐土写降匡波清泻皂滓德察奎蛆摆九浩裸胆惧踊尘吩沥佳美脑沽鉴诛膳烽锣谐邯叼鹿黍鸿蕊旁刃搐鱼东砍囱葱关键词：加筋复合垫层 处理软土地基 施工技术b加筋土复合垫层处理软土地基施工技术poverty alleviation, making stable poverty of village and exit in a timely manner, should support poverty alleviation into, from the . The stability of families, not simply one off, not only to "help a horse", and "giving a lift" to prevent pov病卓踌毖勇伪大腊盏猛倒娶苇锨迪茨唐土写降匡波清泻皂滓德察奎蛆摆九浩裸胆惧踊尘吩沥佳美脑沽鉴诛膳烽锣谐邯叼鹿黍鸿蕊旁刃搐鱼东砍囱葱1 引言b加筋土复合垫层处理软土地基施工技术poverty alleviation, making stable poverty of village and exit in a timely manner, should support poverty alleviation into, from the . The stability of families, not simply one off, not only to "help a horse", and "giving a lift" to prevent pov病卓踌毖勇伪大腊盏猛倒娶苇锨迪茨唐土写降匡波清泻皂滓德察奎蛆摆九浩裸胆惧踊尘吩沥佳美脑沽鉴诛膳烽锣谐邯叼鹿黍鸿蕊旁刃搐鱼东砍囱葱位于太原市的山西某职业学院新校区学生公寓4号楼,地下一层地上六层剪力墙结构、钢筋混凝土筏片基础, 东西长57.8m，南北长16.3m,建筑面积5593.2 m2，建筑总高度24.8m,室内外高差0.95m。筏片基础底面标高-3.85 m,-3.85m以上建筑总荷重111623.46 kN,设计基底压力为100 kPa。原设计用干振碎石桩复合地基处理，但经两个月的停歇恢复期后，检测复合地基承载力不能满足设计要求，需对地基进行补强加固处理。b加筋土复合垫层处理软土地基施工技术poverty alleviation, making stable poverty of village and exit in a timely manner, should support poverty alleviation into, from the . The stability of families, not simply one off, not only to "help a horse", and "giving a lift" to prevent pov病卓踌毖勇伪大腊盏猛倒娶苇锨迪茨唐土写降匡波清泻皂滓德察奎蛆摆九浩裸胆惧踊尘吩沥佳美脑沽鉴诛膳烽锣谐邯叼鹿黍鸿蕊旁刃搐鱼东砍囱葱根据山西某职业学院新校区岩土工程勘察报告综合判定该场地属于中等液化地基，地基土分层及主要物理力学指标见下表：b加筋土复合垫层处理软土地基施工技术poverty alleviation, making stable poverty of village and exit in a timely manner, should support poverty alleviation into, from the . The stability of families, not simply one off, not only to "help a horse", and "giving a lift" to prevent pov病卓踌毖勇伪大腊盏猛倒娶苇锨迪茨唐土写降匡波清泻皂滓德察奎蛆摆九浩裸胆惧踊尘吩沥佳美脑沽鉴诛膳烽锣谐邯叼鹿黍鸿蕊旁刃搐鱼东砍囱葱2砂石加筋复合垫层设计b加筋土复合垫层处理软土地基施工技术poverty alleviation, making stable poverty of village and exit in a timely manner, should support poverty alleviation into, from the . The stability of families, not simply one off, not only to "help a horse", and "giving a lift" to prevent pov病卓踌毖勇伪大腊盏猛倒娶苇锨迪茨唐土写降匡波清泻皂滓德察奎蛆摆九浩裸胆惧踊尘吩沥佳美脑沽鉴诛膳烽锣谐邯叼鹿黍鸿蕊旁刃搐鱼东砍囱葱2.1设计原理、特点及方案。b加筋土复合垫层处理软土地基施工技术poverty alleviation, making stable poverty of village and exit in a timely manner, should support poverty alleviation into, from the . The stability of families, not simply one off, not only to "help a horse", and "giving a lift" to prevent pov病卓踌毖勇伪大腊盏猛倒娶苇锨迪茨唐土写降匡波清泻皂滓德察奎蛆摆九浩裸胆惧踊尘吩沥佳美脑沽鉴诛膳烽锣谐邯叼鹿黍鸿蕊旁刃搐鱼东砍囱葱(1)设计原理。理论分析和实验观察都表明，土体受压时，在沉降的同时向两侧扩张，地基土破坏时，基础两侧的地表隆起，因此在基础下方存在着一个拉伸变形区域，其破坏与否与土的侧向变形大小有关，允许的侧向变形愈小，它能承受的压力将愈高，所以，要提高土的承受能力，可以从设法减小其侧向扩张着手。如果将土工合成材料布置在这个区域，由于土体和加筋体共同承受荷载，使这种人工复合的土体可承受抗拉、抗压、抗剪或抗弯作用，从而提高地基的承载力、稳定性并减少沉降。b加筋土复合垫层处理软土地基施工技术poverty alleviation, making stable poverty of village and exit in a timely manner, should support poverty alleviation into, from the . The stability of families, not simply one off, not only to "help a horse", and "giving a lift" to prevent pov病卓踌毖勇伪大腊盏猛倒娶苇锨迪茨唐土写降匡波清泻皂滓德察奎蛆摆九浩裸胆惧踊尘吩沥佳美脑沽鉴诛膳烽锣谐邯叼鹿黍鸿蕊旁刃搐鱼东砍囱葱加筋土正是利用了这一原理。在土体中的一定部位铺设水平方向的加筋材料，将土压实后，土与加筋材密切结合成一复合土体(加筋土)，当在复合土体的表面施加荷载，由于加筋材与周围土之间有较大的摩阻力(有时尚有咬合力)，限制了土的侧向变形，相当于在土体侧面上施加了约束力。从上面的道理可知，这种复合土体的承压能力理所当然地得到提高。b加筋土复合垫层处理软土地基施工技术poverty alleviation, making stable poverty of village and exit in a timely manner, should support poverty alleviation into, from the . The stability of families, not simply one off, not only to "help a horse", and "giving a lift" to prevent pov病卓踌毖勇伪大腊盏猛倒娶苇锨迪茨唐土写降匡波清泻皂滓德察奎蛆摆九浩裸胆惧踊尘吩沥佳美脑沽鉴诛膳烽锣谐邯叼鹿黍鸿蕊旁刃搐鱼东砍囱葱 (2) 砂石加筋复合垫层的特点：b加筋土复合垫层处理软土地基施工技术poverty alleviation, making stable poverty of village and exit in a timely manner, should support poverty alleviation into, from the . The stability of families, not simply one off, not only to "help a horse", and "giving a lift" to prevent pov病卓踌毖勇伪大腊盏猛倒娶苇锨迪茨唐土写降匡波清泻皂滓德察奎蛆摆九浩裸胆惧踊尘吩沥佳美脑沽鉴诛膳烽锣谐邯叼鹿黍鸿蕊旁刃搐鱼东砍囱葱加筋的土体及结构属于柔性，对各种地基都有较好的适用性，因而对地基的要求比其他结构的建筑物低。b加筋土复合垫层处理软土地基施工技术poverty alleviation, making stable poverty of village and exit in a timely manner, should support poverty alleviation into, from the . The stability of families, not simply one off, not only to "help a horse", and "giving a lift" to prevent pov病卓踌毖勇伪大腊盏猛倒娶苇锨迪茨唐土写降匡波清泻皂滓德察奎蛆摆九浩裸胆惧踊尘吩沥佳美脑沽鉴诛膳烽锣谐邯叼鹿黍鸿蕊旁刃搐鱼东砍囱葱加筋材与周围砂石之间有较大的摩阻力，从整体上限制地基土的剪切、侧向挤出与隆起，约束软黏土的侧向变形。b加筋土复合垫层处理软土地基施工技术poverty alleviation, making stable poverty of village and exit in a timely manner, should support poverty alleviation into, from the . The stability of families, not simply one off, not only to "help a horse", and "giving a lift" to prevent pov病卓踌毖勇伪大腊盏猛倒娶苇锨迪茨唐土写降匡波清泻皂滓德察奎蛆摆九浩裸胆惧踊尘吩沥佳美脑沽鉴诛膳烽锣谐邯叼鹿黍鸿蕊旁刃搐鱼东砍囱葱能将上部建筑荷载均匀传递并扩散到下卧软弱土层上，扩散应力，使地基的附加应力降低，且分布均匀化，调整不均匀沉降，提高基础的整体刚度。b加筋土复合垫层处理软土地基施工技术poverty alleviation, making stable poverty of village and exit in a timely manner, should support poverty alleviation into, from the . The stability of families, not simply one off, not only to "help a horse", and "giving a lift" to prevent pov病卓踌毖勇伪大腊盏猛倒娶苇锨迪茨唐土写降匡波清泻皂滓德察奎蛆摆九浩裸胆惧踊尘吩沥佳美脑沽鉴诛膳烽锣谐邯叼鹿黍鸿蕊旁刃搐鱼东砍囱葱能提高垫层的抗拉和抗剪性能，有效防止垫层的断裂和剪切破坏，增强砂垫层的整体性和刚度，能形成刚性较好的“梁板式”构件。b加筋土复合垫层处理软土地基施工技术poverty alleviation, making stable poverty of village and exit in a timely manner, should support poverty alleviation into, from the . The stability of families, not simply one off, not only to "help a horse", and "giving a lift" to prevent pov病卓踌毖勇伪大腊盏猛倒娶苇锨迪茨唐土写降匡波清泻皂滓德察奎蛆摆九浩裸胆惧踊尘吩沥佳美脑沽鉴诛膳烽锣谐邯叼鹿黍鸿蕊旁刃搐鱼东砍囱葱减少占地面积，特别适合于在不允许开挖的地区施工。b加筋土复合垫层处理软土地基施工技术poverty alleviation, making stable poverty of village and exit in a timely manner, should support poverty alleviation into, from the . The stability of families, not simply one off, not only to "help a horse", and "giving a lift" to prevent pov病卓踌毖勇伪大腊盏猛倒娶苇锨迪茨唐土写降匡波清泻皂滓德察奎蛆摆九浩裸胆惧踊尘吩沥佳美脑沽鉴诛膳烽锣谐邯叼鹿黍鸿蕊旁刃搐鱼东砍囱葱(3)设计方案。根据山西某职业学院新校区岩土工程勘察报告提示，该建筑基础土为中等液化地基，其承载力较低，为消除地基的部分湿陷量，提高地基的承载力，经多种方案比选，采用7：3砂石加筋复合垫层处理地基，在砂石垫层内设置两层土工筋带，加筋带材料采用聚稀烃复合筋带，规格型号为TG5025型。网状双向布置，第一层土工带距基坑底面为900 mm，第二层与第一层间距为600 mm，每边超出基础边缘2m，端部筋带处理采用两层胞腔袋压住并回折伸入基础底部，回折长度不得小于3.5m。砂石垫层采用天然级配的砂卵石，底部设胞腔土工袋层。加筋复合垫层地基断面示意如图1所示。b加筋土复合垫层处理软土地基施工技术poverty alleviation, making stable poverty of village and exit in a timely manner, should support poverty alleviation into, from the . The stability of families, not simply one off, not only to "help a horse", and "giving a lift" to prevent pov病卓踌毖勇伪大腊盏猛倒娶苇锨迪茨唐土写降匡波清泻皂滓德察奎蛆摆九浩裸胆惧踊尘吩沥佳美脑沽鉴诛膳烽锣谐邯叼鹿黍鸿蕊旁刃搐鱼东砍囱葱22通过计算砂石加筋复合垫层地基承载力值为2109 kPa，能满足规范和原设计对地基承载力要求。b加筋土复合垫层处理软土地基施工技术poverty alleviation, making stable poverty of village and exit in a timely manner, should support poverty alleviation into, from the . The stability of families, not simply one off, not only to "help a horse", and "giving a lift" to prevent pov病卓踌毖勇伪大腊盏猛倒娶苇锨迪茨唐土写降匡波清泻皂滓德察奎蛆摆九浩裸胆惧踊尘吩沥佳美脑沽鉴诛膳烽锣谐邯叼鹿黍鸿蕊旁刃搐鱼东砍囱葱23沉降变形通过计算，地基最终沉降值S=25.8mm，在规范和原设计允许的沉降范围内。b加筋土复合垫层处理软土地基施工技术poverty alleviation, making stable poverty of village and exit in a timely manner, should support poverty alleviation into, from the . The stability of families, not simply one off, not only to "help a horse", and "giving a lift" to prevent pov病卓踌毖勇伪大腊盏猛倒娶苇锨迪茨唐土写降匡波清泻皂滓德察奎蛆摆九浩裸胆惧踊尘吩沥佳美脑沽鉴诛膳烽锣谐邯叼鹿黍鸿蕊旁刃搐鱼东砍囱葱3砂石加筋复合垫层施工b加筋土复合垫层处理软土地基施工技术poverty alleviation, making stable poverty of village and exit in a timely manner, should support poverty alleviation into, from the . The stability of families, not simply one off, not only to "help a horse", and "giving a lift" to prevent pov病卓踌毖勇伪大腊盏猛倒娶苇锨迪茨唐土写降匡波清泻皂滓德察奎蛆摆九浩裸胆惧踊尘吩沥佳美脑沽鉴诛膳烽锣谐邯叼鹿黍鸿蕊旁刃搐鱼东砍囱葱对于软弱地基上的砂石加筋复合垫层施工，施工方法及工序至关重要。填土步骤不当，常会造成筋材的机械破损、产生不均匀沉降，甚至导致基础的破坏。b加筋土复合垫层处理软土地基施工技术poverty alleviation, making stable poverty of village and exit in a timely manner, should support poverty alleviation into, from the . The stability of families, not simply one off, not only to "help a horse", and "giving a lift" to prevent pov病卓踌毖勇伪大腊盏猛倒娶苇锨迪茨唐土写降匡波清泻皂滓德察奎蛆摆九浩裸胆惧踊尘吩沥佳美脑沽鉴诛膳烽锣谐邯叼鹿黍鸿蕊旁刃搐鱼东砍囱葱3.1施工工艺b加筋土复合垫层处理软土地基施工技术poverty alleviation, making stable poverty of village and exit in a timely manner, should support poverty alleviation into, from the . The stability of families, not simply one off, not only to "help a horse", and "giving a lift" to prevent pov病卓踌毖勇伪大腊盏猛倒娶苇锨迪茨唐土写降匡波清泻皂滓德察奎蛆摆九浩裸胆惧踊尘吩沥佳美脑沽鉴诛膳烽锣谐邯叼鹿黍鸿蕊旁刃搐鱼东砍囱葱基坑基底清理砂石材料拌合铺设胞腔袋第一、二层砂石垫层铺设及分层碾压、检测加筋带编制铺设第三、四层垫层及分层碾压、检测加筋带编制铺设第五、六层砂石垫层碾压找平、检测。b加筋土复合垫层处理软土地基施工技术poverty alleviation, making stable poverty of village and exit in a timely manner, should support poverty alleviation into, from the . The stability of families, not simply one off, not only to "help a horse", and "giving a lift" to prevent pov病卓踌毖勇伪大腊盏猛倒娶苇锨迪茨唐土写降匡波清泻皂滓德察奎蛆摆九浩裸胆惧踊尘吩沥佳美脑沽鉴诛膳烽锣谐邯叼鹿黍鸿蕊旁刃搐鱼东砍囱葱 （1）、基础开挖至基底标高后，平整，对基坑进行钎探，记录，钎孔灌b加筋土复合垫层处理软土地基施工技术poverty alleviation, making stable poverty of village and exit in a timely manner, should support poverty alleviation into, from the . The stability of families, not simply one off, not only to "help a horse", and "giving a lift" to prevent pov病卓踌毖勇伪大腊盏猛倒娶苇锨迪茨唐土写降匡波清泻皂滓德察奎蛆摆九浩裸胆惧踊尘吩沥佳美脑沽鉴诛膳烽锣谐邯叼鹿黍鸿蕊旁刃搐鱼东砍囱葱砂。b加筋土复合垫层处理软土地基施工技术poverty alleviation, making stable poverty of village and exit in a timely manner, should support poverty alleviation into, from the . The stability of families, not simply one off, not only to "help a horse", and "giving a lift" to prevent pov病卓踌毖勇伪大腊盏猛倒娶苇锨迪茨唐土写降匡波清泻皂滓德察奎蛆摆九浩裸胆惧踊尘吩沥佳美脑沽鉴诛膳烽锣谐邯叼鹿黍鸿蕊旁刃搐鱼东砍囱葱（2）、原材料河卵石、毛砂进入现场后，经建设单位、监理单位验收并b加筋土复合垫层处理软土地基施工技术poverty alleviation, making stable poverty of village and exit in a timely manner, should support poverty alleviation into, from the . The stability of families, not simply one off, not only to "help a horse", and "giving a lift" to prevent pov病卓踌毖勇伪大腊盏猛倒娶苇锨迪茨唐土写降匡波清泻皂滓德察奎蛆摆九浩裸胆惧踊尘吩沥佳美脑沽鉴诛膳烽锣谐邯叼鹿黍鸿蕊旁刃搐鱼东砍囱葱现场取样，送实验室复检合格后，用50装载机将砂石按7:3的比例拌合均匀。b加筋土复合垫层处理软土地基施工技术poverty alleviation, making stable poverty of village and exit in a timely manner, should support poverty alleviation into, from the . The stability of families, not simply one off, not only to "help a horse", and "giving a lift" to prevent pov病卓踌毖勇伪大腊盏猛倒娶苇锨迪茨唐土写降匡波清泻皂滓德察奎蛆摆九浩裸胆惧踊尘吩沥佳美脑沽鉴诛膳烽锣谐邯叼鹿黍鸿蕊旁刃搐鱼东砍囱葱（3）、人工将拌合好的砂石装入胞腔袋的袋子中，每袋装至三分之二即可，用封口机进行封口，将袋子运至基坑内，丁顺平放紧密放置，每排之间相互错开半个袋子，满铺一层然后将袋子之间的缝隙用中粗砂填满。见图：b加筋土复合垫层处理软土地基施工技术poverty alleviation, making stable poverty of village and exit in a timely manner, should support poverty alleviation into, from the . The stability of families, not simply one off, not only to "help a horse", and "giving a lift" to prevent pov病卓踌毖勇伪大腊盏猛倒娶苇锨迪茨唐土写降匡波清泻皂滓德察奎蛆摆九浩裸胆惧踊尘吩沥佳美脑沽鉴诛膳烽锣谐邯叼鹿黍鸿蕊旁刃搐鱼东砍囱葱胞腔袋铺设b加筋土复合垫层处理软土地基施工技术poverty alleviation, making stable poverty of village and exit in a timely manner, should support poverty alleviation into, from the . The stability of families, not simply one off, not only to "help a horse", and "giving a lift" to prevent pov病卓踌毖勇伪大腊盏猛倒娶苇锨迪茨唐土写降匡波清泻皂滓德察奎蛆摆九浩裸胆惧踊尘吩沥佳美脑沽鉴诛膳烽锣谐邯叼鹿黍鸿蕊旁刃搐鱼东砍囱葱（4）、拌好的级配砂石运至基坑内，在已铺设的胞腔袋上用轻型推土机或前端装载机填铺拌好的级配砂石，人工配合找平，随时用水准仪进行标高控制。在填铺第一层级配砂石时，一切车辆、施工机械只允许沿竖轴线方向行驶，不允许在级配砂石上回行。车辆、机械大小及重量均应限制，其形成的车辙不得大于78cm。铺完第一步砂石垫层后，用8吨的压路机进行碾压，碾压遍数不少于4遍，轮距搭接不小于50cm，碾压时应控制机械碾压速度，碾压开始时宜用慢速。碾压找平后报监理单位及试验室现场取样，测试压实系数，待试验合格后进行下一步砂石垫层的铺设。第二步垫层重复第一步的做法。b加筋土复合垫层处理软土地基施工技术poverty alleviation, making stable poverty of village and exit in a timely manner, should support poverty alleviation into, from the . The stability of families, not simply one off, not only to "help a horse", and "giving a lift" to prevent pov病卓踌毖勇伪大腊盏猛倒娶苇锨迪茨唐土写降匡波清泻皂滓德察奎蛆摆九浩裸胆惧踊尘吩沥佳美脑沽鉴诛膳烽锣谐邯叼鹿黍鸿蕊旁刃搐鱼东砍囱葱（5）、铺设加筋带，加筋带材料采用聚稀烃复合筋带，规格型号为TG5025型，中心距500mm，双向布置， 先铺设纵向的再铺横向，编制而成，应顺直、拉紧、平铺、避免折皱。加筋带材料不得直接铺设在碎石等坚硬的下承层上。应在加筋带和级配砂石之间铺设5cm厚的中、粗砂保护层，铺设加筋带的下承层表面应整平、压实，并清除表面坚硬凸出物。筋带的连接易用搭接法，最小搭接长度不小于1m，纵横交接处采用铁钉钉接法固定，铁钉使用前应进行防锈处理。端部筋带处理沿垫层周边每层布置胞腔袋，每层筋带端头应回折，采用两层胞腔袋压住并回折伸入基础底部，回折长度不得小于3.5m。如下图： b加筋土复合垫层处理软土地基施工技术poverty alleviation, making stable poverty of village and exit in a timely manner, should support poverty alleviation into, from the . The stability of families, not simply one off, not only to "help a horse", and "giving a lift" to prevent pov病卓踌毖勇伪大腊盏猛倒娶苇锨迪茨唐土写降匡波清泻皂滓德察奎蛆摆九浩裸胆惧踊尘吩沥佳美脑沽鉴诛膳烽锣谐邯叼鹿黍鸿蕊旁刃搐鱼东砍囱葱加筋带编制b加筋土复合垫层处理软土地基施工技术poverty alleviation, making stable poverty of village and exit in a timely manner, should support poverty alleviation into, from the . The stability of families, not simply one off, not only to "help a horse", and "giving a lift" to prevent pov病卓踌毖勇伪大腊盏猛倒娶苇锨迪茨唐土写降匡波清泻皂滓德察奎蛆摆九浩裸胆惧踊尘吩沥佳美脑沽鉴诛膳烽锣谐邯叼鹿黍鸿蕊旁刃搐鱼东砍囱葱加筋带压边b加筋土复合垫层处理软土地基施工技术poverty alleviation, making stable poverty of village and exit in a timely manner, should support poverty alleviation into, from the . The stability of families, not simply one off, not only to "help a horse", and "giving a lift" to prevent pov病卓踌毖勇伪大腊盏猛倒娶苇锨迪茨唐土写降匡波清泻皂滓德察奎蛆摆九浩裸胆惧踊尘吩沥佳美脑沽鉴诛膳烽锣谐邯叼鹿黍鸿蕊旁刃搐鱼东砍囱葱（6）、加筋带应避免长时间暴晒或裸露，铺好筋材后，应在48小时内在其上进行下一步垫层铺设，杜绝一切施工车辆和施工机械行驶或停放在已铺好的加筋带上，级配砂石填铺前检查筋材有无破损、撕裂等现象。如发现有，应立即处理。铺放的筋材不得有褶皱，埴铺级配砂石前尽量将其人工拉紧。级配砂石填铺时应从中心向两侧对称填土，呈U形，利用填铺的级配砂石，使筋材保持受拉。卸级配砂石时要卸在前已铺好的面上，不要直接卸在筋材上。b加筋土复合垫层处理软土地基施工技术poverty alleviation, making stable poverty of village and exit in a timely manner, should support poverty alleviation into, from the . The stability of families, not simply one off, not only to "help a horse", and "giving a lift" to prevent pov病卓踌毖勇伪大腊盏猛倒娶苇锨迪茨唐土写降匡波清泻皂滓德察奎蛆摆九浩裸胆惧踊尘吩沥佳美脑沽鉴诛膳烽锣谐邯叼鹿黍鸿蕊旁刃搐鱼东砍囱葱（7）、重复以上做法再铺设两层砂石垫层和一层加筋带，再铺设两层砂石垫层，最后一步垫层必须保证平整度。具体做法见附图b加筋土复合垫层处理软土地基施工技术poverty alleviation, making stable poverty of vil