学信教育网 > 二级建造师 > 市政公用  正文: 2013二级建造师市政实务考试大纲解析(一)

2013二级建造师市政实务考试大纲解析(一)

2013/2/25 14:41:38 0人评论 453次浏览 来源:学信教育网

在地面上用专用的挖槽设备,沿着基坑的周边,按照事先划分好的幅段,开挖狭长的沟槽,在开挖过程
中,为保证槽壁的稳定,沟槽内采用特制的泥浆护壁,每个幅段的沟槽开挖结束后,在槽段内放置钢筋
笼,并浇注水下混凝土,然后将若干个幅段连成一个整体,形成一个连续的地下墙体,即现浇钢筋混凝
土壁式连续墙。为了确保槽段与槽段之间连接具有良好的止水性和整体性,应根据连续墙的目的选择适
当的接头形式,使其既能增加接缝处抗剪力,又不渗漏。连续墙接头形式多种多样,目前连续墙常见的
接头形式有:直接连接接头、接头管接头、接头桩接头、接头箱接头、十字钢板接头、工字形钢板接头、
隔板式接头及预制构件接头等。

当前第 64 页 共 158 页 上一页   [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] [20] [21] [22] [23] [24] [25] [26] [27] [28] [29] [30] [31] [32] [33] [34] [35] [36] [37] [38] [39] [40] [41] [42] [43] [44] [45] [46] [47] [48] [49] [50] [51] [52] [53] [54] [55] [56] [57] [58] [59] [60] [61] [62] [63] 64 [65] [66] [67] [68] [69] [70] [71] [72] [73] [74] [75] [76] [77] [78] [79] [80] [81] [82] [83] [84] [85] [86] [87] [88] [89] [90] [91] [92] [93] [94] [95] [96] [97] [98] [99] [100] [101] [102] [103] [104] [105] [106] [107] [108] [109] [110] [111] [112] [113] [114] [115] [116] [117] [118] [119] [120] [121] [122] [123] [124] [125] [126] [127] [128] [129] [130] [131] [132] [133] [134] [135] [136] [137] [138] [139] [140] [141] [142] [143] [144] [145] [146] [147] [148] [149] [150] [151] [152] [153] [154] [155] [156] [157] [158]   下一页
(责任编辑:·静)

活动专题更多

网站首页| 一级建造师| 二级建造师| CPMP| 造价师| 模考练习| 关于我们| 联系我们| 企业邮箱| 帮助中心| 网站地图

版权所有 学信教育© Copyright 2009 - 2015. XUEXIN.net. All Rights Reserved.

法律顾问:河南英泰律师事务所,马中雷主任:13937152581、李颜律师:13939040056

声明:本站部分内容来自网络 如有侵权请告知,我们将立即删除