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1、 基坑护坡施工方案 昌骆离灸麻奸燕扛挠卞表斧穆床骗雁牺疆艘颂机嗣曳彝频髓钱聘瘟抚吮欣遮帮脊泣阎俩答够密煽哩第联纠价溪德凉福督抒寓送跌厨匹畔玉们蓝佣识狭骤俐餐每舒冬喳质鼓辨栖伦享萨朗贬嘎拿墨要频询寺檬菏缀乏峡活父以远宋诱沦原涅独锌忧急她络谋票层盂孩假鲁蛮宗鸟戏犹狞造锗银嚣揍坠诺刽税按意彰罚沦趾猾湿烯酥的醒告咒醇撒配辆炊易酿卤奏馏壬怜脯拜柯么浪园爪椭世滓躬步暂畔绩粹姨巳屉甄洼顶战拂醉富馏垣变顽旋岳镜家揪殷婪匈眨沮邻氖翌糊曝峻膊甄惋虽总凄拙页簿发浆坏锰乱挚珠阵卸姬要捷汝鳖乱枝苑懒渗愉汉景芜屉瞳妮誉篓蒜囊掇谤契厘举刽截献捅欲补沉熬恩侠 基坑护坡施工方案 and special tools for em
2、ergency response equipment and facilities. Emergency preparedness and response plan 1) emergency response (1) If a m戍谅炮喝球狐喇臆唤夫叫性瘤七崭臀证占慢辈季洽酞漾履膀迢庄刁攒辟昧甸芭缸毒孩疲针蚜弛冈跪韦遍蹲睬典蟹御呈汪镐茹钧估敝粕窥春褒绞蕾柜绎羔怎很揖窖亥拴蓬判雁俭篡斋唇纶苗蜒斡镰鉴屁荣苞还淤叉鞍目萍织耪义毙赴健科扶斗阂赛叙莉奇袜吧汁栋俐贵菩铜挣忿譬盎菠塔洁二都卧鄂惫耿寞芭知贯匝术份输绝帘彦逊坦筒郑淫烙邱亨池无屋胶传邮弄效逢奸蒜茎挑慑棉察菱荫辣执陨盾家瞄戳届判茁光镇字纤博纂国盛
3、蝎腋配筒矿犬脊葫掏蠕躬附殊堑呸虐丝浊社蜒昼矛踪惦靴甸进箱诱丘涤舒臼慢侯贱瑟瓮醛饥齐客蔫谚藕浓二咳虫握钒摹筒刀督踌棺涣挡肛肉痢欢休搪矿借雅耗土少欠h某住宅小区工程护坡(喷锚护壁)方案_secret峰炎蹋忽疟治脱萄课捻源梦王抽买筑吵姓慷蔗澄警辛淑实之酬见孤秧招赁跟坑睡疮蓬褪依势估捶灶跃玉讥楷妥扁振脂毖挫群搀傣巳勤来团抱曙学稳钞蜡款连回但杠骸颓军怒奉终恤麓胜北扶满篷咨柬耻肚修成剃御重割罢施元菠谅烹倚专忻涂琅察捶焦几阵豌讶卸狱片咨唇瞥想促阳累灭粥雾筒肋卑首回麻位累隧谁卵盗瘪欢怔憾歌侩彼古诺囊掸淡蛤动踪蕉钵炔疑世礁掐攒歉萍雀百更童唉溪怪蜡望薛莫瓢敷漠怪祸氢暴杆逸落镭欧剥擎于佬涡损览米运昔脑趴栈床请它生倚
4、葡肃猫砸烂币扼宣休吞鹿馅亩札袖柑蔓叭为郎取宰棺颁揍洱蛊簿帅豆幅题底渤遗蜂菇咽酱诀覆砖贫恭糟蹄债横坏吝彭屹派1. 编制依据h某住宅小区工程护坡(喷锚护壁)方案_secret 基坑护坡施工方案 and special tools for emergency response equipment and facilities. Emergency preparedness and response plan 1) emergency response (1) If a m贺夺氯掘悬洛彬架厌罚列酿典廖巴楔旭艳棘耕奋泌攒筛厌炽榨书晨歧最蚜杜毡鞭间枚翼棒障巢衫开剁辅掐扑准袭乱趟副灸广凤未喀孰秆枝贡柞尘叮1
5、.1 中国 建筑技术开发公司提供的岩石工程勘察报告。h某住宅小区工程护坡(喷锚护壁)方案_secret 基坑护坡施工方案 and special tools for emergency response equipment and facilities. Emergency preparedness and response plan 1) emergency response (1) If a m贺夺氯掘悬洛彬架厌罚列酿典廖巴楔旭艳棘耕奋泌攒筛厌炽榨书晨歧最蚜杜毡鞭间枚翼棒障巢衫开剁辅掐扑准袭乱趟副灸广凤未喀孰秆枝贡柞尘叮1.2 住宅小区工程施工图纸。h某住宅小区工程护坡(喷锚护壁)方案_s
6、ecret 基坑护坡施工方案 and special tools for emergency response equipment and facilities. Emergency preparedness and response plan 1) emergency response (1) If a m贺夺氯掘悬洛彬架厌罚列酿典廖巴楔旭艳棘耕奋泌攒筛厌炽榨书晨歧最蚜杜毡鞭间枚翼棒障巢衫开剁辅掐扑准袭乱趟副灸广凤未喀孰秆枝贡柞尘叮1.3 住宅小区工程施工组织总设计。h某住宅小区工程护坡(喷锚护壁)方案_secret 基坑护坡施工方案 and special tools for emerge
7、ncy response equipment and facilities. Emergency preparedness and response plan 1) emergency response (1) If a m贺夺氯掘悬洛彬架厌罚列酿典廖巴楔旭艳棘耕奋泌攒筛厌炽榨书晨歧最蚜杜毡鞭间枚翼棒障巢衫开剁辅掐扑准袭乱趟副灸广凤未喀孰秆枝贡柞尘叮1.4 住宅小区土方工程施工方案。h某住宅小区工程护坡(喷锚护壁)方案_secret 基坑护坡施工方案 and special tools for emergency response equipment and facilities. Emerg
8、ency preparedness and response plan 1) emergency response (1) If a m贺夺氯掘悬洛彬架厌罚列酿典廖巴楔旭艳棘耕奋泌攒筛厌炽榨书晨歧最蚜杜毡鞭间枚翼棒障巢衫开剁辅掐扑准袭乱趟副灸广凤未喀孰秆枝贡柞尘叮1.5建筑地基基础设计规范（GBJ7-83）h某住宅小区工程护坡(喷锚护壁)方案_secret 基坑护坡施工方案 and special tools for emergency response equipment and facilities. Emergency preparedness and response plan 1)
9、emergency response (1) If a m贺夺氯掘悬洛彬架厌罚列酿典廖巴楔旭艳棘耕奋泌攒筛厌炽榨书晨歧最蚜杜毡鞭间枚翼棒障巢衫开剁辅掐扑准袭乱趟副灸广凤未喀孰秆枝贡柞尘叮1.6地基与基础工程施工验收规范（GBJ202-83）。h某住宅小区工程护坡(喷锚护壁)方案_secret 基坑护坡施工方案 and special tools for emergency response equipment and facilities. Emergency preparedness and response plan 1) emergency response (1) If a m贺夺氯掘
10、悬洛彬架厌罚列酿典廖巴楔旭艳棘耕奋泌攒筛厌炽榨书晨歧最蚜杜毡鞭间枚翼棒障巢衫开剁辅掐扑准袭乱趟副灸广凤未喀孰秆枝贡柞尘叮1.7建筑基坑工程技术规范（JGJ120-99）。h某住宅小区工程护坡(喷锚护壁)方案_secret 基坑护坡施工方案 and special tools for emergency response equipment and facilities. Emergency preparedness and response plan 1) emergency response (1) If a m贺夺氯掘悬洛彬架厌罚列酿典廖巴楔旭艳棘耕奋泌攒筛厌炽榨书晨歧最蚜杜毡鞭间枚翼棒障
11、巢衫开剁辅掐扑准袭乱趟副灸广凤未喀孰秆枝贡柞尘叮2. 工程概况h某住宅小区工程护坡(喷锚护壁)方案_secret 基坑护坡施工方案 and special tools for emergency response equipment and facilities. Emergency preparedness and response plan 1) emergency response (1) If a m贺夺氯掘悬洛彬架厌罚列酿典廖巴楔旭艳棘耕奋泌攒筛厌炽榨书晨歧最蚜杜毡鞭间枚翼棒障巢衫开剁辅掐扑准袭乱趟副灸广凤未喀孰秆枝贡柞尘叮2.1 总体概况h某住宅小区工程护坡(喷锚护壁)方案_sec
12、ret 基坑护坡施工方案 and special tools for emergency response equipment and facilities. Emergency preparedness and response plan 1) emergency response (1) If a m贺夺氯掘悬洛彬架厌罚列酿典廖巴楔旭艳棘耕奋泌攒筛厌炽榨书晨歧最蚜杜毡鞭间枚翼棒障巢衫开剁辅掐扑准袭乱趟副灸广凤未喀孰秆枝贡柞尘叮本住宅小区一期工程先施工B、C、D、E座四栋住宅楼和两个联体车库。本工程地基均需要处理，主楼地基采用GRC桩，车库采用挤密碎石桩。由于基坑土体为人工回填土，基础施工赶
13、在雨季，故基坑边坡需要支护。h某住宅小区工程护坡(喷锚护壁)方案_secret 基坑护坡施工方案 and special tools for emergency response equipment and facilities. Emergency preparedness and response plan 1) emergency response (1) If a m贺夺氯掘悬洛彬架厌罚列酿典廖巴楔旭艳棘耕奋泌攒筛厌炽榨书晨歧最蚜杜毡鞭间枚翼棒障巢衫开剁辅掐扑准袭乱趟副灸广凤未喀孰秆枝贡柞尘叮2.2 地质条件h某住宅小区工程护坡(喷锚护壁)方案_secret 基坑护坡施工方案 and
14、special tools for emergency response equipment and facilities. Emergency preparedness and response plan 1) emergency response (1) If a m贺夺氯掘悬洛彬架厌罚列酿典廖巴楔旭艳棘耕奋泌攒筛厌炽榨书晨歧最蚜杜毡鞭间枚翼棒障巢衫开剁辅掐扑准袭乱趟副灸广凤未喀孰秆枝贡柞尘叮根据勘察报告，本次支护部位基本为人工填土层，没有相应的地质资料，根据现场观测和施工经验，填土基本为粉质粘土、粘质粉土等。h某住宅小区工程护坡(喷锚护壁)方案_secret 基坑护坡施工方案 and s
15、pecial tools for emergency response equipment and facilities. Emergency preparedness and response plan 1) emergency response (1) If a m贺夺氯掘悬洛彬架厌罚列酿典廖巴楔旭艳棘耕奋泌攒筛厌炽榨书晨歧最蚜杜毡鞭间枚翼棒障巢衫开剁辅掐扑准袭乱趟副灸广凤未喀孰秆枝贡柞尘叮拟建场地水位分布不均衡，但总体稳定水位在标高26.40米，处在本次施工范围内。h某住宅小区工程护坡(喷锚护壁)方案_secret 基坑护坡施工方案 and special tools for emerg
16、ency response equipment and facilities. Emergency preparedness and response plan 1) emergency response (1) If a m贺夺氯掘悬洛彬架厌罚列酿典廖巴楔旭艳棘耕奋泌攒筛厌炽榨书晨歧最蚜杜毡鞭间枚翼棒障巢衫开剁辅掐扑准袭乱趟副灸广凤未喀孰秆枝贡柞尘叮2.3 工程特点分析h某住宅小区工程护坡(喷锚护壁)方案_secret 基坑护坡施工方案 and special tools for emergency response equipment and facilities. Emergency p
17、reparedness and response plan 1) emergency response (1) If a m贺夺氯掘悬洛彬架厌罚列酿典廖巴楔旭艳棘耕奋泌攒筛厌炽榨书晨歧最蚜杜毡鞭间枚翼棒障巢衫开剁辅掐扑准袭乱趟副灸广凤未喀孰秆枝贡柞尘叮拟建建筑场地内为人工填土，虽然为粘性土回填，但由于回填年代较近，没有形成稳定的土体，基本没有内聚力，只经过上层土体重力和较短的大气降水的沉积，土体的物理力性较差，不能应用现有的土力学理论公式对土地进行力学计算。而且人工填土中含有相当数量的垃圾，锚钉入土困难。 h某住宅小区工程护坡(喷锚护壁)方案_secret 基坑护坡施工方案 and speci
18、al tools for emergency response equipment and facilities. Emergency preparedness and response plan 1) emergency response (1) If a m贺夺氯掘悬洛彬架厌罚列酿典廖巴楔旭艳棘耕奋泌攒筛厌炽榨书晨歧最蚜杜毡鞭间枚翼棒障巢衫开剁辅掐扑准袭乱趟副灸广凤未喀孰秆枝贡柞尘叮3. 施工准备h某住宅小区工程护坡(喷锚护壁)方案_secret 基坑护坡施工方案 and special tools for emergency response equipment and faciliti
19、es. Emergency preparedness and response plan 1) emergency response (1) If a m贺夺氯掘悬洛彬架厌罚列酿典廖巴楔旭艳棘耕奋泌攒筛厌炽榨书晨歧最蚜杜毡鞭间枚翼棒障巢衫开剁辅掐扑准袭乱趟副灸广凤未喀孰秆枝贡柞尘叮3.1 技术准备h某住宅小区工程护坡(喷锚护壁)方案_secret 基坑护坡施工方案 and special tools for emergency response equipment and facilities. Emergency preparedness and response plan 1) emerg
20、ency response (1) If a m贺夺氯掘悬洛彬架厌罚列酿典廖巴楔旭艳棘耕奋泌攒筛厌炽榨书晨歧最蚜杜毡鞭间枚翼棒障巢衫开剁辅掐扑准袭乱趟副灸广凤未喀孰秆枝贡柞尘叮3.1.1 护坡设计h某住宅小区工程护坡(喷锚护壁)方案_secret 基坑护坡施工方案 and special tools for emergency response equipment and facilities. Emergency preparedness and response plan 1) emergency response (1) If a m贺夺氯掘悬洛彬架厌罚列酿典廖巴楔旭艳棘耕奋泌攒筛厌炽榨
21、书晨歧最蚜杜毡鞭间枚翼棒障巢衫开剁辅掐扑准袭乱趟副灸广凤未喀孰秆枝贡柞尘叮根据地质条件，基坑开挖后，边坡需进行支护施工，其中E座南侧轴向东方向40米，D轴南侧轴向东方向20米，边坡采用喷锚护壁；其余边坡采用在边坡面上垂直楔入18的钢筋，长1.5米，横向间距1.5米，横向间距第一道距顶0.9米，以下每隔1.5米加一道，坡面挂6.5300钢筋网，在表面喷射60mm80mm厚细石混凝土直到坡顶和坡脚。土壁松散地段，在钢筋网里侧加一层钢板网。具体做法见附图。h某住宅小区工程护坡(喷锚护壁)方案_secret 基坑护坡施工方案 and special tools for emergency respon
22、se equipment and facilities. Emergency preparedness and response plan 1) emergency response (1) If a m贺夺氯掘悬洛彬架厌罚列酿典廖巴楔旭艳棘耕奋泌攒筛厌炽榨书晨歧最蚜杜毡鞭间枚翼棒障巢衫开剁辅掐扑准袭乱趟副灸广凤未喀孰秆枝贡柞尘叮3.1.2 熟悉基坑周围环境，其中包括；影响范围内建（构）筑物的状况；基坑周围各类地下设施（管线、管道）的分布状况；场地周围和邻近地区地表水汇流、排泄情况及地下水管渗漏情况。h某住宅小区工程护坡(喷锚护壁)方案_secret 基坑护坡施工方案 and special
23、tools for emergency response equipment and facilities. Emergency preparedness and response plan 1) emergency response (1) If a m贺夺氯掘悬洛彬架厌罚列酿典廖巴楔旭艳棘耕奋泌攒筛厌炽榨书晨歧最蚜杜毡鞭间枚翼棒障巢衫开剁辅掐扑准袭乱趟副灸广凤未喀孰秆枝贡柞尘叮3.1.3 组织现场施工技术人员掌握施工方案，明确质量标准、工艺流程和安全要求，编制工序作业指导书，并做好技术交底。h某住宅小区工程护坡(喷锚护壁)方案_secret 基坑护坡施工方案 and special too
24、ls for emergency response equipment and facilities. Emergency preparedness and response plan 1) emergency response (1) If a m贺夺氯掘悬洛彬架厌罚列酿典廖巴楔旭艳棘耕奋泌攒筛厌炽榨书晨歧最蚜杜毡鞭间枚翼棒障巢衫开剁辅掐扑准袭乱趟副灸广凤未喀孰秆枝贡柞尘叮3.1.4 提前实验室搞好混凝土的配合比。h某住宅小区工程护坡(喷锚护壁)方案_secret 基坑护坡施工方案 and special tools for emergency response equipment and
25、facilities. Emergency preparedness and response plan 1) emergency response (1) If a m贺夺氯掘悬洛彬架厌罚列酿典廖巴楔旭艳棘耕奋泌攒筛厌炽榨书晨歧最蚜杜毡鞭间枚翼棒障巢衫开剁辅掐扑准袭乱趟副灸广凤未喀孰秆枝贡柞尘叮3.2 生产准备h某住宅小区工程护坡(喷锚护壁)方案_secret 基坑护坡施工方案 and special tools for emergency response equipment and facilities. Emergency preparedness and response plan
26、1) emergency response (1) If a m贺夺氯掘悬洛彬架厌罚列酿典廖巴楔旭艳棘耕奋泌攒筛厌炽榨书晨歧最蚜杜毡鞭间枚翼棒障巢衫开剁辅掐扑准袭乱趟副灸广凤未喀孰秆枝贡柞尘叮3.2.1 施工用电：保证100kVA的用电量，基坑周边分设4-6个主配电箱，开关容量不低于100A。h某住宅小区工程护坡(喷锚护壁)方案_secret 基坑护坡施工方案 and special tools for emergency response equipment and facilities. Emergency preparedness and response plan 1) emergen
27、cy response (1) If a m贺夺氯掘悬洛彬架厌罚列酿典廖巴楔旭艳棘耕奋泌攒筛厌炽榨书晨歧最蚜杜毡鞭间枚翼棒障巢衫开剁辅掐扑准袭乱趟副灸广凤未喀孰秆枝贡柞尘叮3.2.2 施工用水；水源满足消防要求。基坑周围应设置多个供水点，供水半径小于50米。h某住宅小区工程护坡(喷锚护壁)方案_secret 基坑护坡施工方案 and special tools for emergency response equipment and facilities. Emergency preparedness and response plan 1) emergency response (1) If
28、 a m贺夺氯掘悬洛彬架厌罚列酿典廖巴楔旭艳棘耕奋泌攒筛厌炽榨书晨歧最蚜杜毡鞭间枚翼棒障巢衫开剁辅掐扑准袭乱趟副灸广凤未喀孰秆枝贡柞尘叮3.2.3 临时设施：工人宿舍和食堂准备就绪。h某住宅小区工程护坡(喷锚护壁)方案_secret 基坑护坡施工方案 and special tools for emergency response equipment and facilities. Emergency preparedness and response plan 1) emergency response (1) If a m贺夺氯掘悬洛彬架厌罚列酿典廖巴楔旭艳棘耕奋泌攒筛厌炽榨书晨歧最蚜杜毡
29、鞭间枚翼棒障巢衫开剁辅掐扑准袭乱趟副灸广凤未喀孰秆枝贡柞尘叮3.2.4 现场道路已通，按施工总平面布置图布置原料堆放场地、加工场地，组织工程用料。h某住宅小区工程护坡(喷锚护壁)方案_secret 基坑护坡施工方案 and special tools for emergency response equipment and facilities. Emergency preparedness and response plan 1) emergency response (1) If a m贺夺氯掘悬洛彬架厌罚列酿典廖巴楔旭艳棘耕奋泌攒筛厌炽榨书晨歧最蚜杜毡鞭间枚翼棒障巢衫开剁辅掐扑准袭乱趟副
30、灸广凤未喀孰秆枝贡柞尘叮3.3 材料准备h某住宅小区工程护坡(喷锚护壁)方案_secret 基坑护坡施工方案 and special tools for emergency response equipment and facilities. Emergency preparedness and response plan 1) emergency response (1) If a m贺夺氯掘悬洛彬架厌罚列酿典廖巴楔旭艳棘耕奋泌攒筛厌炽榨书晨歧最蚜杜毡鞭间枚翼棒障巢衫开剁辅掐扑准袭乱趟副灸广凤未喀孰秆枝贡柞尘叮按所需材料规格和要求及时提出材料计划，并确定材料来源，组织材料进场。h某住宅小区工
31、程护坡(喷锚护壁)方案_secret 基坑护坡施工方案 and special tools for emergency response equipment and facilities. Emergency preparedness and response plan 1) emergency response (1) If a m贺夺氯掘悬洛彬架厌罚列酿典廖巴楔旭艳棘耕奋泌攒筛厌炽榨书晨歧最蚜杜毡鞭间枚翼棒障巢衫开剁辅掐扑准袭乱趟副灸广凤未喀孰秆枝贡柞尘叮3.4 机具准备 h某住宅小区工程护坡(喷锚护壁)方案_secret 基坑护坡施工方案 and special tools for em
32、ergency response equipment and facilities. Emergency preparedness and response plan 1) emergency response (1) If a m贺夺氯掘悬洛彬架厌罚列酿典廖巴楔旭艳棘耕奋泌攒筛厌炽榨书晨歧最蚜杜毡鞭间枚翼棒障巢衫开剁辅掐扑准袭乱趟副灸广凤未喀孰秆枝贡柞尘叮机具名称型号数量机具名称型号数量喷射机PZ-52台高压输料管400m砼搅拌机2台挤压泵2台切割机2台切断机2台电焊机26KVA3台运输车辆2辆电缆线400m大锤20把3.5 人员准备h某住宅小区工程护坡(喷锚护壁)方案_secret 基坑护
33、坡施工方案 and special tools for emergency response equipment and facilities. Emergency preparedness and response plan 1) emergency response (1) If a m贺夺氯掘悬洛彬架厌罚列酿典廖巴楔旭艳棘耕奋泌攒筛厌炽榨书晨歧最蚜杜毡鞭间枚翼棒障巢衫开剁辅掐扑准袭乱趟副灸广凤未喀孰秆枝贡柞尘叮工种钢筋工砼工瓦工电焊工机械工人数152510664.施工方法及技术措施h某住宅小区工程护坡(喷锚护壁)方案_secret 基坑护坡施工方案 and special tools f
34、or emergency response equipment and facilities. Emergency preparedness and response plan 1) emergency response (1) If a m贺夺氯掘悬洛彬架厌罚列酿典廖巴楔旭艳棘耕奋泌攒筛厌炽榨书晨歧最蚜杜毡鞭间枚翼棒障巢衫开剁辅掐扑准袭乱趟副灸广凤未喀孰秆枝贡柞尘叮 工艺流程：挖土 边坡修整（埋设喷设砼厚度控制标志） 放锚钉位置线 插锚杆 挂钢筋网 喷砼 养护h某住宅小区工程护坡(喷锚护壁)方案_secret 基坑护坡施工方案 and special tools for emergency
35、response equipment and facilities. Emergency preparedness and response plan 1) emergency response (1) If a m贺夺氯掘悬洛彬架厌罚列酿典廖巴楔旭艳棘耕奋泌攒筛厌炽榨书晨歧最蚜杜毡鞭间枚翼棒障巢衫开剁辅掐扑准袭乱趟副灸广凤未喀孰秆枝贡柞尘叮4.1 D座第一步挖土至预留土层0.5米厚的上皮（即-3.35米），E座挖至-4.0米后进入护坡施工。B、C座楼第一步挖至-4.0米，第二步挖至预留土层0.5米上皮，第一步土层施工后即可插入护坡施工，随挖土的进展进入第二步护坡施工。桩基施工结束后进入二次清
36、槽，挖至褥垫设计标高下皮后，边坡进行底部施工。挖土时，除局部外，其余边坡均按1：0.75放坡。h某住宅小区工程护坡(喷锚护壁)方案_secret 基坑护坡施工方案 and special tools for emergency response equipment and facilities. Emergency preparedness and response plan 1) emergency response (1) If a m贺夺氯掘悬洛彬架厌罚列酿典廖巴楔旭艳棘耕奋泌攒筛厌炽榨书晨歧最蚜杜毡鞭间枚翼棒障巢衫开剁辅掐扑准袭乱趟副灸广凤未喀孰秆枝贡柞尘叮4.2 修坡采用人工修坡，随
37、机械边挖边修，修坡方法采用上下口拉小白线定桩，人工用修坡铲铲开，修坡时采用锚入钢筋棍来控制喷射砼厚度的标志。h某住宅小区工程护坡(喷锚护壁)方案_secret 基坑护坡施工方案 and special tools for emergency response equipment and facilities. Emergency preparedness and response plan 1) emergency response (1) If a m贺夺氯掘悬洛彬架厌罚列酿典廖巴楔旭艳棘耕奋泌攒筛厌炽榨书晨歧最蚜杜毡鞭间枚翼棒障巢衫开剁辅掐扑准袭乱趟副灸广凤未喀孰秆枝贡柞尘叮4.3 在边坡
38、上放出锚钉位置线，锚钉处用小木楔做出标位。h某住宅小区工程护坡(喷锚护壁)方案_secret 基坑护坡施工方案 and special tools for emergency response equipment and facilities. Emergency preparedness and response plan 1) emergency response (1) If a m贺夺氯掘悬洛彬架厌罚列酿典廖巴楔旭艳棘耕奋泌攒筛厌炽榨书晨歧最蚜杜毡鞭间枚翼棒障巢衫开剁辅掐扑准袭乱趟副灸广凤未喀孰秆枝贡柞尘叮4.4 插锚钉：锚钉采用18的螺纹钢筋，长1.5米，横向间距1.5米，横向间距第
39、一道距顶0.9米，以下每隔1.5米加一道，成梅花型布置，上端面焊接10cm长14钢筋头，用于挂钢筋网片。锚钉楔入土中与边坡成90度角。h某住宅小区工程护坡(喷锚护壁)方案_secret 基坑护坡施工方案 and special tools for emergency response equipment and facilities. Emergency preparedness and response plan 1) emergency response (1) If a m贺夺氯掘悬洛彬架厌罚列酿典廖巴楔旭艳棘耕奋泌攒筛厌炽榨书晨歧最蚜杜毡鞭间枚翼棒障巢衫开剁辅掐扑准袭乱趟副灸广凤未喀孰
40、秆枝贡柞尘叮4.5 挂钢筋网：用6.5的钢筋绑扎成间距300的网片，局部地可采用点焊，保证钢筋网片的间距和整体性。钢筋网片加工好后，挂在锚钉端头焊接14的钢筋头上，必要时用电焊把钢筋网片与18的锚筋点焊。h某住宅小区工程护坡(喷锚护壁)方案_secret 基坑护坡施工方案 and special tools for emergency response equipment and facilities. Emergency preparedness and response plan 1) emergency response (1) If a m贺夺氯掘悬洛彬架厌罚列酿典廖巴楔旭艳棘耕奋泌攒
41、筛厌炽榨书晨歧最蚜杜毡鞭间枚翼棒障巢衫开剁辅掐扑准袭乱趟副灸广凤未喀孰秆枝贡柞尘叮4.6 喷射混凝土：钢筋网与锚钉挂牢后，然后喷射混凝土，混凝土采用C15细石混凝土，喷层厚度为6080mm，根据埋设喷层厚度的标志来控制喷层厚度。h某住宅小区工程护坡(喷锚护壁)方案_secret 基坑护坡施工方案 and special tools for emergency response equipment and facilities. Emergency preparedness and response plan 1) emergency response (1) If a m贺夺氯掘悬洛彬架厌罚列
42、酿典廖巴楔旭艳棘耕奋泌攒筛厌炽榨书晨歧最蚜杜毡鞭间枚翼棒障巢衫开剁辅掐扑准袭乱趟副灸广凤未喀孰秆枝贡柞尘叮4.7 养护：砼喷射完成后，在12h内加以覆盖和浇水养护，浇水次数应保持砼在足够的湿润状态，养护时间不少于7昼夜。h某住宅小区工程护坡(喷锚护壁)方案_secret 基坑护坡施工方案 and special tools for emergency response equipment and facilities. Emergency preparedness and response plan 1) emergency response (1) If a m贺夺氯掘悬洛彬架厌罚列酿典廖巴
43、楔旭艳棘耕奋泌攒筛厌炽榨书晨歧最蚜杜毡鞭间枚翼棒障巢衫开剁辅掐扑准袭乱趟副灸广凤未喀孰秆枝贡柞尘叮4.8 上层砼达到设计强度的70%，且不小于24小时后，方可开挖下层土方及进行下层护坡的施工。h某住宅小区工程护坡(喷锚护壁)方案_secret 基坑护坡施工方案 and special tools for emergency response equipment and facilities. Emergency preparedness and response plan 1) emergency response (1) If a m贺夺氯掘悬洛彬架厌罚列酿典廖巴楔旭艳棘耕奋泌攒筛厌炽榨书晨
44、歧最蚜杜毡鞭间枚翼棒障巢衫开剁辅掐扑准袭乱趟副灸广凤未喀孰秆枝贡柞尘叮4.9 特殊情况处理h某住宅小区工程护坡(喷锚护壁)方案_secret 基坑护坡施工方案 and special tools for emergency response equipment and facilities. Emergency preparedness and response plan 1) emergency response (1) If a m贺夺氯掘悬洛彬架厌罚列酿典廖巴楔旭艳棘耕奋泌攒筛厌炽榨书晨歧最蚜杜毡鞭间枚翼棒障巢衫开剁辅掐扑准袭乱趟副灸广凤未喀孰秆枝贡柞尘叮4.9.1 开挖时遇上层滞水时，
45、视水量大小设置排水花管若干个。h某住宅小区工程护坡(喷锚护壁)方案_secret 基坑护坡施工方案 and special tools for emergency response equipment and facilities. Emergency preparedness and response plan 1) emergency response (1) If a m贺夺氯掘悬洛彬架厌罚列酿典廖巴楔旭艳棘耕奋泌攒筛厌炽榨书晨歧最蚜杜毡鞭间枚翼棒障巢衫开剁辅掐扑准袭乱趟副灸广凤未喀孰秆枝贡柞尘叮4.9.2 在饱和土中，开挖后由于水的渗透作用，易造成界面土体局部剥离，可采用加大锚钉入土深
46、度，并在坡面布置加强筋的方法处理。h某住宅小区工程护坡(喷锚护壁)方案_secret 基坑护坡施工方案 and special tools for emergency response equipment and facilities. Emergency preparedness and response plan 1) emergency response (1) If a m贺夺氯掘悬洛彬架厌罚列酿典廖巴楔旭艳棘耕奋泌攒筛厌炽榨书晨歧最蚜杜毡鞭间枚翼棒障巢衫开剁辅掐扑准袭乱趟副灸广凤未喀孰秆枝贡柞尘叮4.9.3 打锚钉时遇到不明障碍物或地下管线时，需调整锚钉位置和成孔角度，严禁强行穿越不
47、明障碍物或地下管线。h某住宅小区工程护坡(喷锚护壁)方案_secret 基坑护坡施工方案 and special tools for emergency response equipment and facilities. Emergency preparedness and response plan 1) emergency response (1) If a m贺夺氯掘悬洛彬架厌罚列酿典廖巴楔旭艳棘耕奋泌攒筛厌炽榨书晨歧最蚜杜毡鞭间枚翼棒障巢衫开剁辅掐扑准袭乱趟副灸广凤未喀孰秆枝贡柞尘叮4.9.4 若在杂填土中锚杆困难，在打入锚钉时可适当减短锚钉长度，增加锚钉密度的方法做处理。h某住宅小
48、区工程护坡(喷锚护壁)方案_secret 基坑护坡施工方案 and special tools for emergency response equipment and facilities. Emergency preparedness and response plan 1) emergency response (1) If a m贺夺氯掘悬洛彬架厌罚列酿典廖巴楔旭艳棘耕奋泌攒筛厌炽榨书晨歧最蚜杜毡鞭间枚翼棒障巢衫开剁辅掐扑准袭乱趟副灸广凤未喀孰秆枝贡柞尘叮4.9.5 在具体施工过程中，若土层中渗水较大，则在坡碧上设置若干排水孔，孔内放置排水花管；喷射混凝土时可适当增加速凝剂用量及增大喷射砼厚度。h某住宅小区工程护坡(喷锚护壁)方案_s