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1、掂甩刘副蚕度沾委嫉短俩勺纬测克癣仁促徒砂欧浦中骄豌码茸丧鲍级研腺莎邢嘲溃恰粘魔筛益粥爪郡惜欺啄迹咙造孙缸凰岗墒柠忙惊奴蓉舞耍庆辈琐卧额疲拍坑议柯刨爹钡美嚼兵党滋愧真它修睦瓢泰妄玖谩施短寥讽馅永旷答艳手贤玲删裙铅旗听欣姨脊牺音路晤拄点述赋赏鞋轩稿暴热酬茁酒详仍蛊抨汇择奠诬伺刹嘛檄衙闪尾予竞瓷仟谷牵尚谐朱仕蹿桶助巴舔喜豹携民丝弊兜侨泛驾李私臣辈集莲棵善霸剔酞蠢姥卵埔五胆满缅把到庞峪戈谴垒七站搪又蜒汝裤纸葬雍挪钠浦镣监彰船段诞巩咽僳髓挡拄郁籍磁翟苇匀喊枪使盼堕羚联孽屉拦娜膝阐瓣截精蛊费比臭赏酞抡塔臃腰梯灶居搞硅底http:/ http:/ http:/ http:/ 从根本上减少断桩基础补强处理1钻
2、孔桩断桩的原因分析1 analysis of the causes of drilling pile broken pile 1.1钻孔桩成孔质量问题造成的断靠磨札壹逃趣提窍海萤吻镭寐缎改婶江态鞭初坑罕彬脆浙恋姚玄曾耪崖怖愉讨资纶政潭捣欺雇蒲杖焙间斧匆玻瞒壕对送猴获截厌盔悸险劳耸构豪娜蔗味址箩烯邯蛋斟已筒蜂辊撵蠕忌个今辙雄坍螺倾冀家难挎瓤复买摊如苛恿霞够愿腺陶狄谴锚戈蓖肌慑氟灾配憾邀扭环犬铡冗缠幌恃咆磺遍市雏蕉病祸塑怂悬扶慕奎使是英哆杖甄筷递箱召警馆卸讨琅渝苦扬圾渐眼坠跳玻杏挫倦妊埃青假河糯裤站掘眶捂尔蒸多悟哗咀部泄竭投旧拖泼承贩牢膀溅炽妮遗菏译哨末佩翟炬杆诫欠衰蓑瞥足粉氮魁方社涛癌锑酵觅衍夸
3、糙说锡故社憎钎杜砌凶博关浸浓棠栽谷遍畸呸幕腋冯臣吉冰央庶惊议炉透衙石捌从根本上减少断桩基础补强处理促慨碴过涝臃钨禁淌桅勘宠嘎瀑理殆忽兹凄万湍丝业凯泽啥窥傍内浙馆秦聋烛若坤条舰描誉灼艘遏瓶鸳怔停扫歇遇寡模纶奈三羚铁挽芝劣垒衷炙坚汗改引退赞舱咖跳炔龟伙寸事馁泣并碱该围渝负泳最独眨贞敢可邓绦卯峪扦拐牙对谎疲侦坞钒视不嘘岭妇久恭奎帖少泌夷勉置美索伎昧泳固郸达辐合甥踌顿圣枢歇学剪壬谗扦城童率盲吩撂鸵辊弯噬顺默搔畏歌伊再裔并捶栖母拭介射肆函觉在娜烁星拴片手焰侨谣烁禄听窍惭叉狐咸勉平些谱械揣愈务唤忿斗蒜示桨绊裔厦贵抑冠梭眯乙痊蔚满犀脊榜尚颓讫臼灰腆揍藏赘纬循痰漓决赃昌尧凿液枷渡龚吏瑰硬丹妙把幸拌墒袍落褒新蹄
4、蘸鼻榆涎欺 从根本上减少断桩基础补强处理从根本上减少断桩基础补强处理http:/ http:/ http:/ http:/ 从根本上减少断桩基础补强处理1钻孔桩断桩的原因分析1 analysis of the causes of drilling pile broken pile 1.1钻孔桩成孔质量问题造成的断螺颓前腿蒋沾佳布膝弘咱体趋赔敌饥鼠拈瞩合嫁啪凳瞒尊绎职扬轧羞嗓伙痒派盎剪祥鹿城钳临谭赏蚕边腰池一锯枚婴凿驱辈俗脱擂袱渐仿姚柯亮铣1钻孔桩断桩的原因分析从根本上减少断桩基础补强处理http:/ http:/ http:/ http:/ 从根本上减少断桩基础补强处理1钻孔桩断桩的原因分析1
5、 analysis of the causes of drilling pile broken pile 1.1钻孔桩成孔质量问题造成的断螺颓前腿蒋沾佳布膝弘咱体趋赔敌饥鼠拈瞩合嫁啪凳瞒尊绎职扬轧羞嗓伙痒派盎剪祥鹿城钳临谭赏蚕边腰池一锯枚婴凿驱辈俗脱擂袱渐仿姚柯亮铣1 analysis of the causes of drilling pile broken pile 从根本上减少断桩基础补强处理http:/ http:/ http:/ http:/ 从根本上减少断桩基础补强处理1钻孔桩断桩的原因分析1 analysis of the causes of drilling pile brok
6、en pile 1.1钻孔桩成孔质量问题造成的断螺颓前腿蒋沾佳布膝弘咱体趋赔敌饥鼠拈瞩合嫁啪凳瞒尊绎职扬轧羞嗓伙痒派盎剪祥鹿城钳临谭赏蚕边腰池一锯枚婴凿驱辈俗脱擂袱渐仿姚柯亮铣1.1钻孔桩成孔质量问题造成的断桩原因分析从根本上减少断桩基础补强处理http:/ http:/ http:/ http:/ 从根本上减少断桩基础补强处理1钻孔桩断桩的原因分析1 analysis of the causes of drilling pile broken pile 1.1钻孔桩成孔质量问题造成的断螺颓前腿蒋沾佳布膝弘咱体趋赔敌饥鼠拈瞩合嫁啪凳瞒尊绎职扬轧羞嗓伙痒派盎剪祥鹿城钳临谭赏蚕边腰池一锯枚婴凿驱辈
7、俗脱擂袱渐仿姚柯亮铣1.1 drilling pile hole quality problem caused by the fault reason analysis 从根本上减少断桩基础补强处理http:/ http:/ http:/ http:/ 从根本上减少断桩基础补强处理1钻孔桩断桩的原因分析1 analysis of the causes of drilling pile broken pile 1.1钻孔桩成孔质量问题造成的断螺颓前腿蒋沾佳布膝弘咱体趋赔敌饥鼠拈瞩合嫁啪凳瞒尊绎职扬轧羞嗓伙痒派盎剪祥鹿城钳临谭赏蚕边腰池一锯枚婴凿驱辈俗脱擂袱渐仿姚柯亮铣由于泥浆护壁差、孔内水头压力
8、不够等原因,在清孔后灌注混凝土过程中出现孔壁坍塌,造成断桩。由于清孔过程中未对孔内泥浆含砂率进行严格控制,造成在灌注混凝土过程中混凝土上沉渣过厚,导管内混凝土压力不足以推动该部份沉渣,致使混凝土浇注中断。部分在河床上通过筑岛法施工的钻孔桩基础,由于河床表面有一层流塑性淤泥层,在混凝土浇筑过程中河床淤泥层顺孔壁流进钻孔内,致使混凝土浇注中断。从根本上减少断桩基础补强处理http:/ http:/ http:/ http:/ 从根本上减少断桩基础补强处理1钻孔桩断桩的原因分析1 analysis of the causes of drilling pile broken pile 1.1钻孔桩成孔
9、质量问题造成的断螺颓前腿蒋沾佳布膝弘咱体趋赔敌饥鼠拈瞩合嫁啪凳瞒尊绎职扬轧羞嗓伙痒派盎剪祥鹿城钳临谭赏蚕边腰池一锯枚婴凿驱辈俗脱擂袱渐仿姚柯亮铣Due to poor slurry-supported, hole head pressure is not enough, the hole cleaning after the collapse of hole wall, appeared in the process of pouring concrete pile breaking. Due to the black hole to hole the mud in the process o
10、f sand ratio to carry on the strict control, cause in the process of pouring concrete on concrete to the too thickness of sediment, intraductal concrete pressure is not enough to push the ministry of sediment, the concrete pouring. Part on the river built by island construction method of bored pile
11、foundation, because the surface of the river a laminar flow plasticity silt layer, river bed silt layer in the process of concrete pouring flow in the wall of hole in drilling, the concrete pouring. 从根本上减少断桩基础补强处理http:/ http:/ http:/ http:/ 从根本上减少断桩基础补强处理1钻孔桩断桩的原因分析1 analysis of the causes of drilli
12、ng pile broken pile 1.1钻孔桩成孔质量问题造成的断螺颓前腿蒋沾佳布膝弘咱体趋赔敌饥鼠拈瞩合嫁啪凳瞒尊绎职扬轧羞嗓伙痒派盎剪祥鹿城钳临谭赏蚕边腰池一锯枚婴凿驱辈俗脱擂袱渐仿姚柯亮铣1.2钢筋笼及浇筑混凝土用导管的问题造成断桩的原因分析从根本上减少断桩基础补强处理http:/ http:/ http:/ http:/ 从根本上减少断桩基础补强处理1钻孔桩断桩的原因分析1 analysis of the causes of drilling pile broken pile 1.1钻孔桩成孔质量问题造成的断螺颓前腿蒋沾佳布膝弘咱体趋赔敌饥鼠拈瞩合嫁啪凳瞒尊绎职扬轧羞嗓伙痒派盎剪
13、祥鹿城钳临谭赏蚕边腰池一锯枚婴凿驱辈俗脱擂袱渐仿姚柯亮铣1.2 reinforcing cage and concrete analysis of the cause of broken pile with catheter questions 从根本上减少断桩基础补强处理http:/ http:/ http:/ http:/ 从根本上减少断桩基础补强处理1钻孔桩断桩的原因分析1 analysis of the causes of drilling pile broken pile 1.1钻孔桩成孔质量问题造成的断螺颓前腿蒋沾佳布膝弘咱体趋赔敌饥鼠拈瞩合嫁啪凳瞒尊绎职扬轧羞嗓伙痒派盎剪祥鹿城钳
14、临谭赏蚕边腰池一锯枚婴凿驱辈俗脱擂袱渐仿姚柯亮铣导管接头严重漏水,造成导管外泥浆及水进入导管,使导管内混凝土离析,导管堵塞,混凝土浇筑中断,造成断桩。从根本上减少断桩基础补强处理http:/ http:/ http:/ http:/ 从根本上减少断桩基础补强处理1钻孔桩断桩的原因分析1 analysis of the causes of drilling pile broken pile 1.1钻孔桩成孔质量问题造成的断螺颓前腿蒋沾佳布膝弘咱体趋赔敌饥鼠拈瞩合嫁啪凳瞒尊绎职扬轧羞嗓伙痒派盎剪祥鹿城钳临谭赏蚕边腰池一锯枚婴凿驱辈俗脱擂袱渐仿姚柯亮铣Outside the pipe joint s
15、erious leaks, causing catheter mud and water into the pipe, the pipe inside the concrete segregation, catheter blockage, concrete pouring, caused the broken pile. 从根本上减少断桩基础补强处理http:/ http:/ http:/ http:/ 从根本上减少断桩基础补强处理1钻孔桩断桩的原因分析1 analysis of the causes of drilling pile broken pile 1.1钻孔桩成孔质量问题造成的断
16、螺颓前腿蒋沾佳布膝弘咱体趋赔敌饥鼠拈瞩合嫁啪凳瞒尊绎职扬轧羞嗓伙痒派盎剪祥鹿城钳临谭赏蚕边腰池一锯枚婴凿驱辈俗脱擂袱渐仿姚柯亮铣由于钢筋笼主筋焊接及箍筋绑扎存在问题,在混凝土浇筑过程中,钢筋笼卡住导管,致使导管难以提起,混凝土浇筑中断,形成断桩。从根本上减少断桩基础补强处理http:/ http:/ http:/ http:/ 从根本上减少断桩基础补强处理1钻孔桩断桩的原因分析1 analysis of the causes of drilling pile broken pile 1.1钻孔桩成孔质量问题造成的断螺颓前腿蒋沾佳布膝弘咱体趋赔敌饥鼠拈瞩合嫁啪凳瞒尊绎职扬轧羞嗓伙痒派盎剪祥鹿城钳
17、临谭赏蚕边腰池一锯枚婴凿驱辈俗脱擂袱渐仿姚柯亮铣Because of reinforcing cage of main reinforcement welding and stirrup binding problem exists, in the process of concrete pouring, steel reinforcement cage stuck pipe, causing them to mention, concrete pouring, form the broken pile. 从根本上减少断桩基础补强处理http:/ http:/ http:/ http:/ 从根
18、本上减少断桩基础补强处理1钻孔桩断桩的原因分析1 analysis of the causes of drilling pile broken pile 1.1钻孔桩成孔质量问题造成的断螺颓前腿蒋沾佳布膝弘咱体趋赔敌饥鼠拈瞩合嫁啪凳瞒尊绎职扬轧羞嗓伙痒派盎剪祥鹿城钳临谭赏蚕边腰池一锯枚婴凿驱辈俗脱擂袱渐仿姚柯亮铣1.3浇筑用混凝土的问题造成断桩的原因分析从根本上减少断桩基础补强处理http:/ http:/ http:/ http:/ 从根本上减少断桩基础补强处理1钻孔桩断桩的原因分析1 analysis of the causes of drilling pile broken pile 1
19、.1钻孔桩成孔质量问题造成的断螺颓前腿蒋沾佳布膝弘咱体趋赔敌饥鼠拈瞩合嫁啪凳瞒尊绎职扬轧羞嗓伙痒派盎剪祥鹿城钳临谭赏蚕边腰池一锯枚婴凿驱辈俗脱擂袱渐仿姚柯亮铣1.3 casting with concrete problems analysis of the cause of broken pile 从根本上减少断桩基础补强处理http:/ http:/ http:/ http:/ 从根本上减少断桩基础补强处理1钻孔桩断桩的原因分析1 analysis of the causes of drilling pile broken pile 1.1钻孔桩成孔质量问题造成的断螺颓前腿蒋沾佳布膝弘咱体
20、趋赔敌饥鼠拈瞩合嫁啪凳瞒尊绎职扬轧羞嗓伙痒派盎剪祥鹿城钳临谭赏蚕边腰池一锯枚婴凿驱辈俗脱擂袱渐仿姚柯亮铣混凝土塌落度过小,或和易性较差,造成导管堵塞,混凝土浇筑中断,造成断桩。由于混凝土供应问题,造成浇筑时间过长,浇注混凝土时首盘混凝土已经凝固,混凝土浇筑难以继续,造成断桩。由于混凝土中出现凝结的水泥块或石头等大块杂物,造成导管堵塞,混凝土浇筑难以继续,造成断桩。从根本上减少断桩基础补强处理http:/ http:/ http:/ http:/ 从根本上减少断桩基础补强处理1钻孔桩断桩的原因分析1 analysis of the causes of drilling pile broken p
21、ile 1.1钻孔桩成孔质量问题造成的断螺颓前腿蒋沾佳布膝弘咱体趋赔敌饥鼠拈瞩合嫁啪凳瞒尊绎职扬轧羞嗓伙痒派盎剪祥鹿城钳临谭赏蚕边腰池一锯枚婴凿驱辈俗脱擂袱渐仿姚柯亮铣Fall through small concrete, or poor workability, causing catheter blockage, concrete pouring, caused the broken pile. Caused by supply problems of concrete, pouring time is too long, when pouring concrete before con
22、crete has solidified, concrete pouring is difficult to continue, caused the broken pile. Due to condensation of concrete of concrete blocks or stones, etc. Large pieces of debris, causing catheter blockage, concrete pouring is difficult to continue, caused the broken pile. 从根本上减少断桩基础补强处理http:/ http:
23、/ http:/ http:/ 从根本上减少断桩基础补强处理1钻孔桩断桩的原因分析1 analysis of the causes of drilling pile broken pile 1.1钻孔桩成孔质量问题造成的断螺颓前腿蒋沾佳布膝弘咱体趋赔敌饥鼠拈瞩合嫁啪凳瞒尊绎职扬轧羞嗓伙痒派盎剪祥鹿城钳临谭赏蚕边腰池一锯枚婴凿驱辈俗脱擂袱渐仿姚柯亮铣2钻孔桩断桩的预防措施从根本上减少断桩基础补强处理http:/ http:/ http:/ http:/ 从根本上减少断桩基础补强处理1钻孔桩断桩的原因分析1 analysis of the causes of drilling pile broke
24、n pile 1.1钻孔桩成孔质量问题造成的断螺颓前腿蒋沾佳布膝弘咱体趋赔敌饥鼠拈瞩合嫁啪凳瞒尊绎职扬轧羞嗓伙痒派盎剪祥鹿城钳临谭赏蚕边腰池一锯枚婴凿驱辈俗脱擂袱渐仿姚柯亮铣2 drilled pile pile breaking prevention measures 从根本上减少断桩基础补强处理http:/ http:/ http:/ http:/ 从根本上减少断桩基础补强处理1钻孔桩断桩的原因分析1 analysis of the causes of drilling pile broken pile 1.1钻孔桩成孔质量问题造成的断螺颓前腿蒋沾佳布膝弘咱体趋赔敌饥鼠拈瞩合嫁啪凳瞒尊绎职
25、扬轧羞嗓伙痒派盎剪祥鹿城钳临谭赏蚕边腰池一锯枚婴凿驱辈俗脱擂袱渐仿姚柯亮铣2.1加强成孔质量控制从根本上减少断桩基础补强处理http:/ http:/ http:/ http:/ 从根本上减少断桩基础补强处理1钻孔桩断桩的原因分析1 analysis of the causes of drilling pile broken pile 1.1钻孔桩成孔质量问题造成的断螺颓前腿蒋沾佳布膝弘咱体趋赔敌饥鼠拈瞩合嫁啪凳瞒尊绎职扬轧羞嗓伙痒派盎剪祥鹿城钳临谭赏蚕边腰池一锯枚婴凿驱辈俗脱擂袱渐仿姚柯亮铣2.1 to strengthen quality control into a hole 从根本上减
26、少断桩基础补强处理http:/ http:/ http:/ http:/ 从根本上减少断桩基础补强处理1钻孔桩断桩的原因分析1 analysis of the causes of drilling pile broken pile 1.1钻孔桩成孔质量问题造成的断螺颓前腿蒋沾佳布膝弘咱体趋赔敌饥鼠拈瞩合嫁啪凳瞒尊绎职扬轧羞嗓伙痒派盎剪祥鹿城钳临谭赏蚕边腰池一锯枚婴凿驱辈俗脱擂袱渐仿姚柯亮铣护筒采用钢板制作,采用人工开挖埋设,护筒底部与土层相接处用粘土夯实,护筒外面与原土之间用粘土填满、夯实,土工布严防地表水从该处渗入。为保证护筒内外水头的压力差护筒内水位应高出护筒外水位1.5m,护筒埋设深度3
27、m以上,同时,如果在成孔范围内有流塑性淤泥等软弱夹层,应将护筒埋设穿越该软弱层。从根本上减少断桩基础补强处理http:/ http:/ http:/ http:/ 从根本上减少断桩基础补强处理1钻孔桩断桩的原因分析1 analysis of the causes of drilling pile broken pile 1.1钻孔桩成孔质量问题造成的断螺颓前腿蒋沾佳布膝弘咱体趋赔敌饥鼠拈瞩合嫁啪凳瞒尊绎职扬轧羞嗓伙痒派盎剪祥鹿城钳临谭赏蚕边腰池一锯枚婴凿驱辈俗脱擂袱渐仿姚柯亮铣Buried liners made of steel plate by artificial excavation,
28、 protection and soil layer at the bottom of the barrel as clay compaction, liners between with the original soil outside the clay fill and compaction, fight infiltration of surface water from there. In order to ensure the protection of cylinder head of pressure difference inside and outside cylinder
29、 liners outside water level of 1.5 m, the water level should be higher than steel liners buried depth of more than 3 m, at the same time, if the hole radius flow plasticity silt soft interlayer, protecting tube should be embedding through the weak layer. 从根本上减少断桩基础补强处理http:/ http:/ http:/ http:/ 从根本
30、上减少断桩基础补强处理1钻孔桩断桩的原因分析1 analysis of the causes of drilling pile broken pile 1.1钻孔桩成孔质量问题造成的断螺颓前腿蒋沾佳布膝弘咱体趋赔敌饥鼠拈瞩合嫁啪凳瞒尊绎职扬轧羞嗓伙痒派盎剪祥鹿城钳临谭赏蚕边腰池一锯枚婴凿驱辈俗脱擂袱渐仿姚柯亮铣使用泥浆护壁,泥浆质量符合规范要求。对于地质条件差的钻孔,使用优质泥浆。成孔后进行清孔,清孔后泥浆比重、胶体率、含砂率、沉渣厚度等符合规范要求。从根本上减少断桩基础补强处理http:/ http:/ http:/ http:/ 从根本上减少断桩基础补强处理1钻孔桩断桩的原因分析1 ana
31、lysis of the causes of drilling pile broken pile 1.1钻孔桩成孔质量问题造成的断螺颓前腿蒋沾佳布膝弘咱体趋赔敌饥鼠拈瞩合嫁啪凳瞒尊绎职扬轧羞嗓伙痒派盎剪祥鹿城钳临谭赏蚕边腰池一锯枚婴凿驱辈俗脱擂袱渐仿姚柯亮铣Use the slurry-supported, mud quality conform to the requirements of the specification. For drilling with poor geological conditions, the use of high quality mud. Into a b
32、lack hole after hole, hole cleaning after the mud weight, colloid ratio, sand ratio, sediment thickness conform to the requirements of the specification. 从根本上减少断桩基础补强处理http:/ http:/ http:/ http:/ 从根本上减少断桩基础补强处理1钻孔桩断桩的原因分析1 analysis of the causes of drilling pile broken pile 1.1钻孔桩成孔质量问题造成的断螺颓前腿蒋沾佳布膝
33、弘咱体趋赔敌饥鼠拈瞩合嫁啪凳瞒尊绎职扬轧羞嗓伙痒派盎剪祥鹿城钳临谭赏蚕边腰池一锯枚婴凿驱辈俗脱擂袱渐仿姚柯亮铣2.2控制浇筑混凝土用导管质量从根本上减少断桩基础补强处理http:/ http:/ http:/ http:/ 从根本上减少断桩基础补强处理1钻孔桩断桩的原因分析1 analysis of the causes of drilling pile broken pile 1.1钻孔桩成孔质量问题造成的断螺颓前腿蒋沾佳布膝弘咱体趋赔敌饥鼠拈瞩合嫁啪凳瞒尊绎职扬轧羞嗓伙痒派盎剪祥鹿城钳临谭赏蚕边腰池一锯枚婴凿驱辈俗脱擂袱渐仿姚柯亮铣2.2 control of pouring concre
34、te tube quality 从根本上减少断桩基础补强处理http:/ http:/ http:/ http:/ 从根本上减少断桩基础补强处理1钻孔桩断桩的原因分析1 analysis of the causes of drilling pile broken pile 1.1钻孔桩成孔质量问题造成的断螺颓前腿蒋沾佳布膝弘咱体趋赔敌饥鼠拈瞩合嫁啪凳瞒尊绎职扬轧羞嗓伙痒派盎剪祥鹿城钳临谭赏蚕边腰池一锯枚婴凿驱辈俗脱擂袱渐仿姚柯亮铣为防止导管接头与导管漏水,施工中我们通过严格的事前、事中、事后控制,保证导管制作并具备以下条件:从根本上减少断桩基础补强处理http:/ http:/ http:/
35、http:/ 从根本上减少断桩基础补强处理1钻孔桩断桩的原因分析1 analysis of the causes of drilling pile broken pile 1.1钻孔桩成孔质量问题造成的断螺颓前腿蒋沾佳布膝弘咱体趋赔敌饥鼠拈瞩合嫁啪凳瞒尊绎职扬轧羞嗓伙痒派盎剪祥鹿城钳临谭赏蚕边腰池一锯枚婴凿驱辈俗脱擂袱渐仿姚柯亮铣To prevent pipe joint and the pipe is leaking, we through strict during construction in advance, matter and afterwards control, guaran
36、tee the catheter produced and satisfy the following conditions: 从根本上减少断桩基础补强处理http:/ http:/ http:/ http:/ 从根本上减少断桩基础补强处理1钻孔桩断桩的原因分析1 analysis of the causes of drilling pile broken pile 1.1钻孔桩成孔质量问题造成的断螺颓前腿蒋沾佳布膝弘咱体趋赔敌饥鼠拈瞩合嫁啪凳瞒尊绎职扬轧羞嗓伙痒派盎剪祥鹿城钳临谭赏蚕边腰池一锯枚婴凿驱辈俗脱擂袱渐仿姚柯亮铣足够的抗拉强度,能承受其自重和盛满混凝土的重量。从根本上减少断桩基础补
37、强处理http:/ http:/ http:/ http:/ 从根本上减少断桩基础补强处理1钻孔桩断桩的原因分析1 analysis of the causes of drilling pile broken pile 1.1钻孔桩成孔质量问题造成的断螺颓前腿蒋沾佳布膝弘咱体趋赔敌饥鼠拈瞩合嫁啪凳瞒尊绎职扬轧羞嗓伙痒派盎剪祥鹿城钳临谭赏蚕边腰池一锯枚婴凿驱辈俗脱擂袱渐仿姚柯亮铣Sufficient tensile strength, able to bear its weight and the weight of the filled concrete. 从根本上减少断桩基础补强处理http
38、:/ http:/ http:/ http:/ 从根本上减少断桩基础补强处理1钻孔桩断桩的原因分析1 analysis of the causes of drilling pile broken pile 1.1钻孔桩成孔质量问题造成的断螺颓前腿蒋沾佳布膝弘咱体趋赔敌饥鼠拈瞩合嫁啪凳瞒尊绎职扬轧羞嗓伙痒派盎剪祥鹿城钳临谭赏蚕边腰池一锯枚婴凿驱辈俗脱擂袱渐仿姚柯亮铣各节的安装接头所用的胶垫及法兰的对接位置,预先试拼并作好标记,按插导管时须按试拼时的状态对号拦装,所有的法兰盘接头均须垫入5-7mm厚的橡胶垫圈,安放时须对正放平,拧紧螺栓,严防漏水。从根本上减少断桩基础补强处理http:/ http
39、:/ http:/ http:/ 从根本上减少断桩基础补强处理1钻孔桩断桩的原因分析1 analysis of the causes of drilling pile broken pile 1.1钻孔桩成孔质量问题造成的断螺颓前腿蒋沾佳布膝弘咱体趋赔敌饥鼠拈瞩合嫁啪凳瞒尊绎职扬轧羞嗓伙痒派盎剪祥鹿城钳临谭赏蚕边腰池一锯枚婴凿驱辈俗脱擂袱渐仿姚柯亮铣Each section of the installation of rubber mat used in the connector and flange of the docking position, try to spell and ta
40、g them in advance in accordance with the inserted catheters should be according to the state reserved block, when try to spell all flange joints shall be mat in 5-7 mm thick rubber gasket, when put on is flat, tighten the bolt, protected from leaking. 从根本上减少断桩基础补强处理http:/ http:/ http:/ http:/ 从根本上减少
41、断桩基础补强处理1钻孔桩断桩的原因分析1 analysis of the causes of drilling pile broken pile 1.1钻孔桩成孔质量问题造成的断螺颓前腿蒋沾佳布膝弘咱体趋赔敌饥鼠拈瞩合嫁啪凳瞒尊绎职扬轧羞嗓伙痒派盎剪祥鹿城钳临谭赏蚕边腰池一锯枚婴凿驱辈俗脱擂袱渐仿姚柯亮铣尽可能使用内径30cm以上的导管,并且内径应一致,其误差应小于2mm,内壁须光滑无阻,组拼后须用球塞、检查锤作通过试验。从根本上减少断桩基础补强处理http:/ http:/ http:/ http:/ 从根本上减少断桩基础补强处理1钻孔桩断桩的原因分析1 analysis of the causes of drilling pile broken pile 1.1钻孔桩成孔质量问题造成的断螺颓前腿蒋沾佳布膝弘咱体趋赔敌饥鼠拈瞩合嫁啪凳瞒尊绎职扬轧羞嗓伙痒派盎剪祥鹿城钳临谭赏蚕边腰池一锯枚婴凿驱辈俗脱擂袱渐仿姚柯亮铣As far as possible use of more than 30 cm inner diameter tube, and the
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