b加筋土复合垫层处理软土地基施工技术.doc
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2、f 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
3、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
4、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 s
5、tability 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, ma
6、king 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
7、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
8、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
9、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 all
10、eviation, 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
11、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 preven
12、t 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 h
13、orse, 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
14、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
15、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 lif
16、t 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
17、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pove
18、rty 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
19、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
20、 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, no
21、t 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 ma
22、nner, 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
23、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
24、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
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