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雨水管道施工方案一、工程概况及数量雨水管道是距路中心线最近的一种管道，管径为 DN300DN1500等八种类型，管材采用钢带增强聚乙烯（PE）管，雨水连管采用
9、DN225HDPE管（高密度乙烯管），管顶最小覆土高度不得小于 1.2m，管道分距路两侧的机动车道与非机动车道之间的分隔带下的路基内，在标准路段距路基中心线 19.496m（左侧）和19.5m（右侧），施工方法均采用开槽埋管施工。工程量有各种管径的管道长度12000m，圆形雨水井及检查井 285个，方形雨水井及检查井 11个，排放口一个。三、工程特点及难点1、K10+865 跨路基横向排水管施工根据设计图布置，雨水管在 K10+865处由路基左侧横距机动车道布管到右侧与右侧的雨水管汇合后再横向伸出红线外的排放口，在施工中需开挖机动车道的路基施工，给管道的施工带来一定的难度。2、雨水井、检查井的
10、施工本项目雨水井、检查井的数量较多，且挖深都是 3m左右，施工要考虑排水及支撑，如组织不好会影响施工的速度及质量。3、土建软基处理由于本工程处于填海段和软基处理段，施工中要特别注意管道基础处理，如处理不好易发生管道基础不均匀沉降，给工程带来质量隐患。四、施工准备1、技术准备(1)详细勘察管道沿线实际情况，对施工现场情况进行摸底。(2)组织工程施工技术人员参与设计单位、建设单位的施工图会审和企业内施工技术交底，了解施工特点和技术要求，熟悉施工操作规程和各项技术数据。(3)编制施工方案。2、物资准备(1)根据施工进度计划提前作好各种材料、设备、机具进出场计划；choose the correct
11、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 sentence types (1
12、) 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 examine the topi
13、c, 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 answer language p
14、lenary, 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 conditions and by
15、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 wrote answer-check
16、, 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 meaning find equival
17、ent 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 of calculation f
18、ormula, 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(2)及时同甲方、设计及有关方面沟通联系，明确各种材料的供货渠道和技术要求，及时签订购货合同，确保材料的到货时间。(3)对管材、管件及阀门等进行检验、确认并收集整理有关的技术资料。四、施工方法和技术
19、措施（一）、开槽埋管工程1、施工工艺流程：材料检验下料复核下料尺寸标记管线号、区号布管沿管沟布置组对尺寸符合要求接头焊口符合要求熟悉图纸施工准备人员机具图纸会审施工方案及交底材料预算按要求连接接口检验外观质量检验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 w
20、ord; (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
21、; (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 inversely proportional r
22、elationship. 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 probl
23、em 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 known conditions Zhijian, and conditions and problem Zhijian of relationship, determine problem-solving method and
24、 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 problem 13, and subject: application problem (3)-column equation solutions application problem review content overview pr
25、oblem-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
26、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 described sentence from overall Shang determine basic of equivalent relationship 4, and using segment figure, and list meth
27、od, method analysis number管道安装封闭段下料固定口焊接、检验系统强度、严密性试验：现场安装质量检验技术资料检查地下管道系统试压管道冲洗交工验收质量验收交工资料验收定位放线管沟开挖管沟验收雨水井砌筑管沟回填2、土石方开挖 (1)测量填海段及吹填段的山皮石统一填筑到路基设计标高，经碾压合格后进行雨水管道施工的测量放线工作。A、雨水管道工程的线路测量包括定线测量、水准测量和直接丈量。B、定线测量要测定管道的中心线和转角，并应测量管道与相邻的永久性建筑物的位置关系，必要时应在地面上设立标志。C、在进行管道水准测量时,应沿线设临时水准点,临时水准点标高值由 2号路基施工控制水准
28、点引测。(2)、沟槽开挖A、沟槽开挖前工作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
29、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 common conjunctions coo
30、rdinate: . . 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 solutions proportion t
31、ype 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 meaning-through exa
32、mines 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 formula, is out subdivis
33、ions 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 unknown and x said
34、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 relationship 2, and acc
35、ording 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开槽前要认真调查了解地上障碍物及地下地质情况，以便开槽时采取妥善加固保护措施，同时组织好人员及机械，保证施工的顺利进行
36、。B、沟槽开挖形式根据设计图中设计管道的规格、埋置深度以及规范要求来确定沟槽开挖的形式，按规定比例放坡，必要时进行支护，保证沟槽不塌方。a.沟槽放坡的确定：槽深 h3 米时，槽帮坡度 i为 1：0.33；槽深 h3 米时，槽帮坡度 i为 1：0.5；b.槽底工作面的确定：管道一侧工作面宽度情况详见下表： 管道一侧的工作面 b1管道结构外径 D1非金属管道 金属管道D1500 400 300500D11000 500 4001000D11500 600 600c.沟槽断面形式（见下图）C、开挖方法a.土方开挖采用机械开挖，槽底预留 30cm由人工清底。开挖过程中严禁超挖，以防扰动已压实地基。对于
37、有地下障碍物（管、缆）的地段由人工开挖，严禁破坏.b.沟槽开挖尽量按先深后浅顺序进行，以利排水。c.挖槽土方处置，按现场暂存、场外暂存、外运相结合的原则进行。开槽土方凡适宜回填的土选择妥善位置进行堆放，但不得覆盖测量的标记，均暂存于现场用于沟槽回填。回填土施工前制定合理土方调配计划，减少土方外运及现场土方调运。d.开槽后及时约请各有关人员验槽，验槽合格后方可进行下道工序。如遇槽底土基不符合设计要求，及时与设计、监理单位及地勘部门联系，共同研究基底处理措施，方可进行下道工序。choose the correct meaning; (4) to correct the typos; (5) so
38、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 sentence types (1) complete sentences; (2) write down the m
39、eaning 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 examine the topic, identify problems associated with two 2
40、, 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 answer language plenary, and subject: application problem (
41、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 conditions and by seeking problem 2, and analysis number rel
42、ationship-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 wrote answer-check, and checking, and wrote answers typical
43、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 meaning find equivalent relationship, lists Equation 3, and so
44、lutions 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 of calculation formula, 3, and according to problem in the
45、 of focus described sentence from overall Shang determine basic of equivalent relationship 4, and using segment figure, and list method, method analysis numbere.沟槽检查验收；槽开挖完成应进行自检，检查项目和允许误差见下表-2。自检合格后应马上通知监理进场进行检查验收，验收合格后方能进入下一工序的施工。基槽开挖允许偏差和检验方法 表-23、基础及雨水井、检查井施工31 若管道或雨水井、检查井处于软土上应会知甲方、监理及设计人员到现场解决
46、，雨水管道地基承载力不小于 80Kpa，如果小于 80KPa时地基要做相应加固处理，处理方法按相关规定执行。32 测量中心轴线，井中心线，标高，并放出基础边线。在沟底设置水平小木桩，桩顶标高为管道平基混凝土面的标高。33 碎石、砂垫层应先将碎石、砂拌匀然后铺设，铺筑垫层时应边铺边检平，并用平板振动器在垫层面上予以振动压实。34 按照测出的基础边线安装平基侧模板，模板内外打撑钉牢，并在模板内侧弹线用以控制混凝土浇筑高度。35 模板安装时要注意板面平整，拼缝严密，模板与砼相接触的表面应涂扫脱模剂以利于模板的拆除。36 平基浇筑砼时应严格按水平控制桩取面，振捣密实。浇筑时注意在管中线至两侧各 20c
47、m左右取平，其余可留粗糙面以便和管座混凝土接合。浇筑管基砼时应预留后浇段。38 质量标准检验频率序号 项目 允许偏差（mm） 范围 点数 检验方法1 槽底高程 0， -30 3 用水准仪测 量2 槽底中线每 侧宽度 不小于规定 6挂中心线用尺量，每侧计 3点3 沟槽边坡 不陡于规定两井之间6 用坡度尺检验每侧 3点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)
48、 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 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 examine the topic, identify problems associated with two 2, analysis, alternative question tw
