监理检测网论坛

注册

 

返回列表
发新话题 回复该主题
查看: 3518|回复: 0

[交流] 路基施工方案范本 [复制链接]

774257542
头像

  • 新注册
  • 19
  • 201
  • 2011-01-08
1#
t T
发表于 2011-01-08 13:44 |显示全部
1．1基本要求è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
1．1．è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
1恢复路基中线，放出各设计断面边桩，并校核路基设计工程量。è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
1．1．è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
2认真进行调查研究，全面搜集沿线地质、水文、地形、地貌、气象等资料，进         行路基施工组织设计。è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
1．1．è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
3根据挖、填方各路线的工程地质情况，选择各种切实可行的施工方法。è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
1．1．è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
4严格按照技术规范和设计要求组织施工，确保路基宽度、高度、分层厚度，平整度、压实度、边坡坡度等符合设计要求。è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
1．1．è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
5对特殊不良地质路段，要按设计进行特殊处理，确保路基的稳定可靠。è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
1．1．è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
6施工过程中，要按规定进行质量检查，并请监理工程师签认工程师质量和工程数量。è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
1．è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
2挖方路基è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
1．2．1土方路基开挖è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
A．è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
施工方法è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
a.è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
恢复定线，放出边线桩，对不同路段采取不同的施工方法。è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
b.è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
对较短的路堑采用横挖方法，路堑深度不大时，一次挖到设计标高；路堑深度较大时，分成几个台阶进行开挖。è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
c.è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
对较长的路堑采用纵挖法，其路堑宽度、深度不大时，按横断面全宽纵向分层开挖；对宽度、深度较大的路堑，采用通道式纵挖法开挖。è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
d.è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
对超长路堑，采用分段纵挖法开挖。è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
e.è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
路基土方开挖采用机械化施工方法：土方运距在100m左右，选用推土机挖运；运距在500m以内，使用拖式铲运机挖运；运距在1km以内，采用自行式大铲运机挖运；大体积的土方远运，宜用挖装机械配合自卸汽车施工。è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
f.è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
路基开工前，应考虑排水系统的布设，防止在施工中线路外的水流入线内，并将线路内的水（包括地面积水、雨水、地下渗水）迅速排出路基，保证施工顺利进行。è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
g.è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
对设计中拟定的纵横向排水系统，要随着路基的开挖，适时组织施工，保证雨季不积水，并及时安排边沟、边坡的修整和防护，确保边坡稳定。è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
h.è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
路槽达到设计标高后，用平地机整平，刮出路拱，并预留压实量，最后用压路压实，检查压实度。è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
B．工艺流程框图è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

路基放样è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

地表清理è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

土方挖运è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

边坡修理è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

排    水è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

排水系统施工è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

击实标准试验è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

路槽平整压实è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

压实度检查è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

复    测è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
Ｃ.要机械设备：推土机，铲运机，挖土机，装载机，平地机，压路机，自卸汽车。è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
1．2．2石方路基爆破开挖è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
A．è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
施工方法è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
a.è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
恢复路基中线，放出边线，钉牢边桩。è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
b.è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
根据地形，地质及挖深选择适宜的开挖爆破方法，制订爆破方案，作出爆破施工组织设计，报有关部门审批。è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
c.è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
用推土机整修施工便道，清理表层覆盖土及危石。è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
d.è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
在地面上准确放出炮眼（井）位置，竖立标牌，标明孔井号，深度，装药量。è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
e.è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
用推土机配合爆破，创造临空面，使最小抵抗线方向面向回填方向。è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
f.è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
炮眼按其不同深度，采用手风钻或潜孔钻钻孔，炮眼布置在整体爆破时采用“梅花型”或“方格型”，预裂爆破时采用“一字型”，洞室爆破根据设计确定药包的位置和药量。è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
g.è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
在居民区及地质不良可能引起坍塌后遗症的路段，原则上不采用大中型洞室爆破。在石方集中的深挖路堑采用洞室爆破时，应认真设计分集药包位置和装药量，精确测算爆破漏斗，防止超爆、少爆或振松边坡，留下后患。è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
h.è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
爆破施工要严格控制飞石距离，采取切实可行的措施，确保人员和建筑物的安全，如采用毫秒微差爆破技术，将一响最大药量控制为最深单孔药量，当最深梯段为HT时，单孔装药量Q按下式计算：è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
Q=e * q *è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
HT * Wdè‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
其中：e——炸药换算系数è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
q——梯段爆破单位耗药量è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
Wd——最小抵抗线è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
i.è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
控制爆破也可以采用分段毫秒爆破方法，其最大段用药量Q按下式计算：è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
R=（K/V）1/2è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
* Qè‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
* Mè‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
其中：K——与地质条件有关的系数è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
M——药量指数è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
V——爆破安全振动速度è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
R——建筑物距爆破中心距离è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
j.è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
为确保边坡爆破质量，采用预裂爆破技术，光面爆破技术和排眼毫秒爆破技术，同时配合选择合理的爆破参数，减少冲击波影响，降低石料大块率，以减少二次破碎，利于装运和填方。è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
k.è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
装药前要布好警戒，选择好通行道路，认真检查炮孔、洞室，吹净残渣，排除积水，做好爆破器材的防水保护工作，雨季或有地下水时，可考虑采用乳化防水炸药。è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
l.è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
装药分单层、分层装药，预裂装药及洞室内集中装药。光眼装药后用木杆捣实，填塞粘土，洞室装药时，将预先加好的起爆体放在药包中心位置，周围填以硝酸安全炸药，用砂粘土填塞，填塞时要注意保护起爆线路。è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
m.è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
认真设计，严密布设起爆网络，防止发生短路及二响重叠现象。è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
n.è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
顺利起爆，并清除边坡危石后， 用推土机清出道路，用推土机、铲运机纵向出土填方，运距较远时，用挖掘机机械装土，自卸汽车运输。è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
o.è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
随时注意控制开挖断面，切勿超爆，适时清理整修边坡和暴露的孤石。è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
p.è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
路基开挖至设计标高，经复测检查断面尺寸合格后，及时开挖边沟和排水沟，截水沟，经监理工程师验收合格后，按设计对边沟、边坡进行防护，边沟施工要做到尺寸准确，线型直顺，曲线圆滑，沟底平顺，排水畅通，浆砌护坡要做平整坚实，灰浆饱满。路槽整理要掌握好，不要留孤石和超爆，做到一次标准成型验收合格。è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
B．工艺流程框图è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

测量路基è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

施工准备è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

爆破组织设计è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

甲方审查è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

有关部门审批è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

测量布孔è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

人、料、机准备è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

钻   孔è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

监理检查è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

自检测孔è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

装药填塞è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

警    戒è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

孔井检查è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

起   爆è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

网络布设è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

防护警戒è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

清运è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

处理危石è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

整修边坡è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
C．主要机械设备：空压机，手风钻，潜孔钻，推土机，装载机，平地机，压路机，自卸汽车，爆破仪表和设备。è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
   è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
1．è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
3填方路基è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
1．3．1施工特征è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
路基填筑工程可用配套的机械化施工。形成挖、装、运、摊、平、压机械化流水作业，能保证路基填筑高质量，高速度的完成。è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
1．3．2施工方法è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
A．è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
恢复路基中线并加密中桩，测标高，放出坡脚桩，桩上注明桩号，标上填筑高度。è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
B．è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
清除填方范围内的草皮，树根，淤泥，积水，并翻松，平整压实地基，经监理工程师认可，实测填前标高后，方能上土填筑路基。è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
C．è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
选择适宜的填筑材料，提前作好标准击实试验，并经监理工程师批准试验资料和选择的取料场。è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
D．è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
地面横坡陡于1：5时，原地面应挖成台阶后填筑，地面横坡陡于1：2.5时，应作特殊处理，防止路堤沿基底滑动。è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
E．è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
采用水平分层的方法填筑路堤，根据压实设备和技术规范确定压实厚度，一般控制每层压实厚度20cm。è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
F．è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
土方的挖、装、运均采用机械化施工，一般用挖装机械配备自卸汽车运土，按每延米用土量严格控制卸土，推土机把土摊开，平地机整平。è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
G．è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
当路基填土含水量大于最佳含水量时可在路外晾、晒也可在路基上用铧犁翻拌晾晒；当含水量不足时，可用水车洒水补充，使填土达到最佳含水量的要求，确保达到压实度标准。è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
H．è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
当路堤宽度、厚度和填土含水量等符合要求后，用压路机从路边向路中，从低侧向高侧顺序碾压。压实遵照先轻后重的原则，直到达到设计的压实度为止。è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
I．è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
根据路堤的填筑高度，严格按规范要求检查压实度，每层填土都要资料齐全，并经监理工程师签认或旁站。è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
J．è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
在雨季施工中，严防路堤积水，填筑层表面应适当加大横坡度，以利于排水，并注意天气预报，及时碾压成型，防止填土被雨水泡软。è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
K．è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
进入初冬填筑路堤时，尽量昼夜连续施工，取土场进行覆盖，保证填土不受冻害影响，每天填筑的土层要当天碾压成型。è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
L．è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
达到设计标高时要抓紧按设计要求整理路槽，修整边坡，防护，确保路堤填筑质量和稳定性。è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
M．è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
设计在填方路段的桥涵构造物要提前施工，桥涵两侧填土应特别注意，填筑材料必须符合设计及规范要求，台背填方最好与路堤填方同步协调进行，桥台附近配合小型压实机械压实，台背回填和路堤填充方结合部要特别重视，如后填台背要挖台阶，保证压实度合格。雨季应防止地面水流入，如有积水要及时排除，确保台背压实质量，严防因桥头填土沉降而造成的跳车。è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
N．è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
半填半挖路基和填挖交界处的路基，结合填挖方路基的施工要求进行，填方一般从低处开始，按距路基顶面的不同高度控制压实度标准，最后一层要翻松挖方地段，平整后和填方路段一起碾压成型路基。è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
1．3．3工艺流程框图è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

路堤放样è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

清理地表è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

选择土场è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

击实试验è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

填前压实è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

清除表土è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

压实度检查è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

测量标高è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

击实试验è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

监理签认è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

路堤上土è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

土方运输è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

含水量检查è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

平整压实è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

处理弹簧è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

压实度检查è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

边坡修整è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

排水施工è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

填上层料è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

监理检查è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋
è‚䎔`5T4–bbs.3c3t.com·A†Ï´K݋

    已有1评分我要评分查看所有评分
    分享 转发
    TOP
    上一主题| 下一主题
    返回列表
    发主话题 回复该主题
    高级编辑器高级编辑器