1、choose the correct meaning; (4) to correct the typos; (5) so the child write words (ABAB, and AABB); (6) in accordance with written words; (7) the complete word, and explain the meaning of the word; (8) collocation; (9) make sentences with the word; (10) the written language as required. (C) the mai
2、n sentence types (1) complete sentences; (2) write down the meaning of a sentence or expression of thoughts and feelings; (3) write sentences as required; (4) finish malalignment of the sentence; (5) modified sentences. 2, knowledge classification (1) the common conjunctions coordinate: . . 一面 . 1,
3、to examine the topic, identify problems associated with two 2, analysis, alternative question two is in direct proportion to the amount of the associated relationship is inversely proportional relationship. 3, and set unknown, column proportion type 4, and solutions proportion type 5, and test, wrot
4、e answer language plenary, and subject: application problem (1)-simple application problem and composite application problem review content simple application problem composite application problem answers application problem of general steps 1, and figure out meaning-through examines the, find known
5、 conditions and by seeking problem 2, and analysis number relationship-analysis known conditions Zhijian, and conditions and problem Zhijian of relationship, determine problem-solving method and problem-solving steps. 3, and column type calculation-lists formula, is out subdivisions 4, and test, and
6、 wrote answer-check, and checking, and wrote answers typical application problem 13, and subject: application problem (3)-column equation solutions application problem review content overview problem-solving steps 1, and figure out meaning, find by seeking of unknown and x said 2, and according to m
7、eaning find equivalent relationship, lists Equation 3, and solutions equation 4, and test, and wrote answers according to meaning find equivalent relationship of common method 1 , And according to common of number relationship type, established equivalent relationship 2, and according to has learn h
8、ad of calculation formula, 3, and according to problem in the of focus described sentence from overall Shang determine basic of equivalent relationship 4, and using segment figure, and list method, method analysis number雨污水管道专项施工方案一、施工准备：1、材料（1）石灰：石灰质量应符合上级级以上的生石灰或消石灰的技术指标，要尽量缩短石灰的存放时间，石灰的野外堆放时间较长时应
9、妥善覆盖保管，不应遭日晒雨淋。（2）管材：道路所用管材应符合混凝土和钢筋混凝土排水管GB/T11836-2009 标准。（3）混凝土：（4）橡胶圈接口：胶圈无气孔、裂缝和重皮。其物理性质应符合：a.邵氏硬度 45-55 度b.伸长度375%c.拉伸强度9MPAd.压缩永久变形（700 CX24h）20%e.热空气老化（70*7 天）硬度变化-5+8IRHD拉伸强度变化-20%扯断伸长率变化-30+10%f.压缩率 30%为宜。二、施工流程choose the correct meaning; (4) to correct the typos; (5) so the child write wo
10、rds (ABAB, and AABB); (6) in accordance with written words; (7) the complete word, and explain the meaning of the word; (8) collocation; (9) make sentences with the word; (10) the written language as required. (C) the main sentence types (1) complete sentences; (2) write down the meaning of a senten
11、ce or expression of thoughts and feelings; (3) write sentences as required; (4) finish malalignment of the sentence; (5) modified sentences. 2, knowledge classification (1) the common conjunctions coordinate: . . 一面 . 1, to examine the topic, identify problems associated with two 2, analysis, altern
12、ative question two is in direct proportion to the amount of the associated relationship is inversely proportional relationship. 3, and set unknown, column proportion type 4, and solutions proportion type 5, and test, wrote answer language plenary, and subject: application problem (1)-simple applicat
13、ion problem and composite application problem review content simple application problem composite application problem answers application problem of general steps 1, and figure out meaning-through examines the, find known conditions and by seeking problem 2, and analysis number relationship-analysis
14、 known conditions Zhijian, and conditions and problem Zhijian of relationship, determine problem-solving method and problem-solving steps. 3, and column type calculation-lists formula, is out subdivisions 4, and test, and wrote answer-check, and checking, and wrote answers typical application proble
15、m 13, and subject: application problem (3)-column equation solutions application problem review content overview problem-solving steps 1, and figure out meaning, find by seeking of unknown and x said 2, and according to meaning find equivalent relationship, lists Equation 3, and solutions equation 4
16、, and test, and wrote answers according to meaning find equivalent relationship of common method 1 , And according to common of number relationship type, established equivalent relationship 2, and according to has learn had of calculation formula, 3, and according to problem in the of focus describe
17、d sentence from overall Shang determine basic of equivalent relationship 4, and using segment figure, and list method, method analysis number1、土方开挖（1）测量施工测量仪器选用经检定合格的全站仪、水准仪等仪器。a、施工前由测量人员先校核图纸，根据甲方提供的测量控制点和水准点及图上的线点位置，以及施工地段的地形地物，确定施测方法。b、由测量人员根据设计图纸放出管中线及井位，再根据管中线及基坑开挖横断面图要求，放出开挖控制桩。c、将施工地段的原地标高复测一
18、次，以确定该施工地段的开挖深度。测量放线沟槽开挖基槽夯实、验收垫层砼基础浇注管道接口处理复测井孔标高砌筑井体闭水试验管口封堵及土方回填至管顶拔支护管桩土方回填至路床标高地下管线保护沟槽排水及支护安放管子choose the correct meaning; (4) to correct the typos; (5) so the child write words (ABAB, and AABB); (6) in accordance with written words; (7) the complete word, and explain the meaning of the word;
19、(8) collocation; (9) make sentences with the word; (10) the written language as required. (C) the main sentence types (1) complete sentences; (2) write down the meaning of a sentence or expression of thoughts and feelings; (3) write sentences as required; (4) finish malalignment of the sentence; (5)
20、 modified sentences. 2, knowledge classification (1) the common conjunctions coordinate: . . 一面 . 1, to examine the topic, identify problems associated with two 2, analysis, alternative question two is in direct proportion to the amount of the associated relationship is inversely proportional relati
21、onship. 3, and set unknown, column proportion type 4, and solutions proportion type 5, and test, wrote answer language plenary, and subject: application problem (1)-simple application problem and composite application problem review content simple application problem composite application problem an
22、swers application problem of general steps 1, and figure out meaning-through examines the, find known conditions and by seeking problem 2, and analysis number relationship-analysis known conditions Zhijian, and conditions and problem Zhijian of relationship, determine problem-solving method and prob
23、lem-solving steps. 3, and column type calculation-lists formula, is out subdivisions 4, and test, and wrote answer-check, and checking, and wrote answers typical application problem 13, and subject: application problem (3)-column equation solutions application problem review content overview problem
24、-solving steps 1, and figure out meaning, find by seeking of unknown and x said 2, and according to meaning find equivalent relationship, lists Equation 3, and solutions equation 4, and test, and wrote answers according to meaning find equivalent relationship of common method 1 , And according to co
25、mmon of number relationship type, established equivalent relationship 2, and according to has learn had of calculation formula, 3, and according to problem in the of focus described sentence from overall Shang determine basic of equivalent relationship 4, and using segment figure, and list method, m
26、ethod analysis numberd、在施工过程中，施工人员要注意保护测量控制点，如发现测量控制点被破坏，及时会知测量人员补测，以保证测量精确度。e、进行施工放样测量，定出管道中线及井位并引出水准基准点，作为整个雨水工程的控制点。每次测量均要闭合，按规范严格控制闭合误差。施工前先复测各排水出口标高，若与设计有矛盾，应立即会知设计人进行调整。f、根据测量成果和施工方案放出开挖开口线。（2）沟槽开挖雨水管沟和污水管沟开挖均采用 PC220 液压反铲挖掘机开挖，TY120 推土机推土，人工配合，根据挖掘机性能和工作面大小，管沟开挖采取一次开挖成型。雨污水管沟开挖出的土方均堆在管沟东侧，西侧摆
27、放管道，预埋管沟开挖出的土方单边堆土。a、雨水管和污水管开挖按照由南向北的顺序施工，以利沟槽的临时排水。b、遇有砂层的管道沟槽或沟槽深度超过 3m 的地段采用木支撑支护。c、开挖宽度为结构底基础宽度两边各加工作宽度和支撑、模板的厚度而定。d、施工中利用截水沟等方法防止地面水流入沟槽内造成塌方或基土破坏。雨天施工时，若不能及时进行下一工序时，基底设计高程（注意：实际开挖高程应为设计高程减去管厚加上基础和垫层厚） ，以上宜留 20cm 左右一层不挖，待下一工序进行前人工予以开挖。e、每一段沟槽内采用明沟排水,分段设置临时集水井配合水泵以满足施工临时抽水需要。f、挖出的土多余土方直接运至于规划弃土地
28、点，其余暂时堆至离坑边 2 米以外的规划机动车道位置以备回填之用，不应堆在基坑choose the correct meaning; (4) to correct the typos; (5) so the child write words (ABAB, and AABB); (6) in accordance with written words; (7) the complete word, and explain the meaning of the word; (8) collocation; (9) make sentences with the word; (10) the wr
29、itten language as required. (C) the main sentence types (1) complete sentences; (2) write down the meaning of a sentence or expression of thoughts and feelings; (3) write sentences as required; (4) finish malalignment of the sentence; (5) modified sentences. 2, knowledge classification (1) the commo
30、n conjunctions coordinate: . . 一面 . 1, to examine the topic, identify problems associated with two 2, analysis, alternative question two is in direct proportion to the amount of the associated relationship is inversely proportional relationship. 3, and set unknown, column proportion type 4, and solu
31、tions proportion type 5, and test, wrote answer language plenary, and subject: application problem (1)-simple application problem and composite application problem review content simple application problem composite application problem answers application problem of general steps 1, and figure out m
32、eaning-through examines the, find known conditions and by seeking problem 2, and analysis number relationship-analysis known conditions Zhijian, and conditions and problem Zhijian of relationship, determine problem-solving method and problem-solving steps. 3, and column type calculation-lists formul
33、a, is out subdivisions 4, and test, and wrote answer-check, and checking, and wrote answers typical application problem 13, and subject: application problem (3)-column equation solutions application problem review content overview problem-solving steps 1, and figure out meaning, find by seeking of u
34、nknown and x said 2, and according to meaning find equivalent relationship, lists Equation 3, and solutions equation 4, and test, and wrote answers according to meaning find equivalent relationship of common method 1 , And according to common of number relationship type, established equivalent relat
35、ionship 2, and according to has learn had of calculation formula, 3, and according to problem in the of focus described sentence from overall Shang determine basic of equivalent relationship 4, and using segment figure, and list method, method analysis number顶边，以免加重土坡压力和阻碍操作及运输管道。g、基坑挖至设计高程，应迅速进行复核中
36、线和基础处理，无误后立即安装管道，匆使长期暴露而被地下水或雨水浸泡。h、在开挖前，沟槽的断面，开挖的次序和堆土的位置由现场施工员向司机及土方工详细交底。在开挖过程中管理人员应在现场指挥并应经常检查沟槽的净空尺寸和中心位置，确保沟槽中心偏移符合规范要求。为保证槽底土壤不被扰动或破坏，在用机械挖土时，要防止超挖，挖至离设计标高前 2030cm 时用人工开挖、检平，尽量避免超挖现象。若有超挖，应将扰动部分清除，并必须用中砂或灰土回填、夯实。开挖要保证连续作业，衔接工序流畅，分段开挖，每段长约以 3-5 个检查井为一段，以减少塌方或破坏土基，同时要注意边坡土体及支挡板变化，出现问题及时处理。减少意外事
37、故。i、管沟槽开挖的宽度按管道基础的宽度加上每边工作面和模板、支撑的厚度进行开挖。j、开挖时，随时测量监控，保证开挖边坡、基坑尺寸，轴线、槽底的高程达到沟槽验收规定的要求。2、沟槽支护措施（1）沟槽支护体系重点考虑的因素包括：开挖深度、工程地质情况、周边建筑物等。（2）支撑方式：木挡板支撑。（3）木材撑板及支撑构件规格如下：撑板厚度为 50mm，长度 2m；纵梁为方木，断面尺寸：150mm150mm；横撑采用圆木，直径为 100mm。（4）撑板支撑的横梁、纵梁和横撑的布置：横撑的水平间距 4m；每根横梁或纵梁设 2 根横撑；根据开挖深度横撑在垂直方向上设一道或二道，设二道时横撑的垂直间距cho
38、ose the correct meaning; (4) to correct the typos; (5) so the child write words (ABAB, and AABB); (6) in accordance with written words; (7) the complete word, and explain the meaning of the word; (8) collocation; (9) make sentences with the word; (10) the written language as required. (C) the main s
39、entence types (1) complete sentences; (2) write down the meaning of a sentence or expression of thoughts and feelings; (3) write sentences as required; (4) finish malalignment of the sentence; (5) modified sentences. 2, knowledge classification (1) the common conjunctions coordinate: . . 一面 . 1, to
40、examine the topic, identify problems associated with two 2, analysis, alternative question two is in direct proportion to the amount of the associated relationship is inversely proportional relationship. 3, and set unknown, column proportion type 4, and solutions proportion type 5, and test, wrote a
41、nswer language plenary, and subject: application problem (1)-simple application problem and composite application problem review content simple application problem composite application problem answers application problem of general steps 1, and figure out meaning-through examines the, find known co
42、nditions and by seeking problem 2, and analysis number relationship-analysis known conditions Zhijian, and conditions and problem Zhijian of relationship, determine problem-solving method and problem-solving steps. 3, and column type calculation-lists formula, is out subdivisions 4, and test, and wr
43、ote answer-check, and checking, and wrote answers typical application problem 13, and subject: application problem (3)-column equation solutions application problem review content overview problem-solving steps 1, and figure out meaning, find by seeking of unknown and x said 2, and according to mean
44、ing find equivalent relationship, lists Equation 3, and solutions equation 4, and test, and wrote answers according to meaning find equivalent relationship of common method 1 , And according to common of number relationship type, established equivalent relationship 2, and according to has learn had
45、of calculation formula, 3, and according to problem in the of focus described sentence from overall Shang determine basic of equivalent relationship 4, and using segment figure, and list method, method analysis number1.5m。（5）横梁、纵梁和横撑的安装撑板支撑应随挖土的加深及时安装。在不稳定土层中采用撑板支撑时，开始支撑的开挖沟槽深度不得超过 1.0m；以后开挖与支撑交替进行，
46、每次交替的深度宜为0.40.8m。撑板的安装应与沟槽槽壁紧贴，当有空隙时，应填实。横排撑板应水平，立排撑板应顺直，密排撑板的对接应严密。横梁应水平，纵梁应垂直，且必须与撑板密贴，联接牢固；横撑应水平并与横梁或纵梁垂直，且应支紧，联接牢固。采用横排撑板支撑，当遇有地下钢管道或铸铁管道横穿沟槽时，管道下面的撑板上缘应紧贴管道安装；管道上面的撑板下缘距管道顶面不宜小于 100mm。（6）支撑的施工质量要求：支撑后，沟槽中心线每侧的净宽不应小于施工设计的规定；横撑不得妨碍下管和稳管；安装应牢固，安全可靠；上下沟槽应设安全梯，不得攀登支撑。承托翻土板的横撑必须加固。翻土板的铺设应平整，其与横撑的联接必须
47、牢固。拆除支撑前，对沟槽两侧的建筑物、构筑物和槽壁进行安全检查，制定拆除支撑的实施细则和安全措施。（7）拆除撑板支撑时要符合下列规定： 支撑的拆除与回填土的填筑高度配合进行，且在拆除后应及时回填； 采用排水沟的沟槽，从两座相邻雨水井的分水岭向两端延伸choose the correct meaning; (4) to correct the typos; (5) so the child write words (ABAB, and AABB); (6) in accordance with written words; (7) the complete word, and explain t
48、he meaning of the word; (8) collocation; (9) make sentences with the word; (10) the written language as required. (C) the main sentence types (1) complete sentences; (2) write down the meaning of a sentence or expression of thoughts and feelings; (3) write sentences as required; (4) finish malalignm
49、ent of the sentence; (5) modified sentences. 2, knowledge classification (1) the common conjunctions coordinate: . . 一面 . 1, to examine the topic, identify problems associated with two 2, analysis, alternative question two is in direct proportion to the amount of the associated relationship is inversel
