Unit7Placingconcrete(工程管理专业英语)课件

1、 Unit Seven Placing ConcreteThe Main Contents All concrete shall be placed so as to produce a set concrete that is hard, durable, dense, free from honeycombing, formwork irregularities and other surface blemishes. For each concrete placement, the contractor shall provide the Engineer with written no

2、tice, a drawing and a pre-placement checkout sheet signed by the contractors appropriate supervisory personnel. The placing time, placing method and placing thickness of concrete are limited.第1页，共19页。Vocabularyhoneycombing n & adj 形成蜂窝状；蜂窝现象； 蜂窝状的formwork n 模板blemish n & vt 瑕疵，污点；有损的完美，玷污checkout n

3、检验（单），校验（单）cleanup n 清理，清扫，清除（污染物），整顿discharge vt 放出，流出，开枪，发射，下（客），卸船，免除（义务、负担） n （气体、液体如水从管道）流出，排放出的物体 Unit Seven Placing Concrete第2页，共19页。Vocabularyaggregate n & vt 骨料，集料，聚集体，合计；使聚集，使积聚，总计达 adj 聚合的，总数的，总计的，地聚成岩的barrow n 双轮手推车，独轮车slab n & vt 厚板，平板，厚片，混凝土路 面；把分成厚片，用石板铺tipping vehicle 倾卸车bedding mort

4、ar 垫层砂浆 Unit Seven Placing Concrete第3页，共19页。Vocabularyhalt n & vt,vi 暂停，停止，中止；阻止，使停止，使中断；停止，犹豫chute n & vt,vi 斜槽，滑道，降落伞；用斜槽或滑道运送；顺斜道或滑道而下segregate vt 隔离，分离，（使）分开initial set （混凝土或水泥浆）的初凝 Unit Seven Placing Concrete第4页，共19页。English-Chinese translation1. construction procedure 施工程序2. permanent work 永久工

5、程3. underground gallery 地下廊道4. construction joint 施工缝5. bedding mortar 垫层砂浆6. 混凝土浇筑 concrete placement7. 倾卸车 tipping vehicle 8. 传输带 conveyor belt9. 模板 formwork10. （混凝土）初凝 initial set Unit Seven Placing Concrete第5页，共19页。At least 60 days before placing concrete in any major structure, the contractor s

6、hall submit to the engineer for his approval details of his proposed construction procedures including a description of the methods of the concrete placement. 对于大型结构物的混凝土浇筑，承包商至少要提前60天将自己拟用的施工程序，包括混凝土的浇筑方法，呈送给工程师以获批准。 本句中submit 的宾语因较长而后置了，该句原型应为：submit details of his proposed construction procedures

7、 including a description of the methods of the concrete placement to the engineer for his approval. Key Structures Unit Seven Placing Concrete第6页，共19页。For each concrete placement, the contractor shall provide the Engineer with written notice, a drawing and a pre-placement checkout sheet signed by th

8、e contractors appropriate supervisory personnel that demonstrate that foundation preparation, construction joints cleanup, formwork, installation of reinforcing steel, and all embedded items for the placement have been completed accoring to the Drawings or as specified. 对于每一次的混凝土浇筑，承包商应提供给工程师一份书面通知，

9、一张图纸和一份预浇筑核实清单。这份清单上要有承包商适当的监理人员签字，以表明基面准备、施工缝的清理、模板、钢筋的安装、以及所有预埋件（是否）已按图纸及规定要求准备完毕。Key Structures Unit Seven Placing Concrete第7页，共19页。For each concrete placement, the contractor shall provide the Engineer with written notice, a drawing and a pre-placement checkout sheet signed by the contractors ap

10、propriate supervisory personnel that demonstrate that foundation preparation, construction joints cleanup, formwork, installation of reinforcing steel, and all embedded items for the placement have been completed accoring to the Drawings or as specified. signed by 以及that demonstrate 分别是分词及that 引导的定语

11、从句，修饰限定对象均是a pre-placement checkout sheet。demonstrate后的that 引导的是demonstrate的宾语从句。 Key Structures Unit Seven Placing Concrete第8页，共19页。Concrete shall not be allowed to slide or flow down sloping surfaces, except in underground galleries, but shall be placed in its final position from skips, trucks, ba

12、rrows, down pipes or other placing machine or device or, if this is impossible, it shall be shoveled into position with care to avoid separation of the constituent materials. 浇筑时不允许将混凝土滑落而下，也不允许沿斜面下溜混凝土，除非在地下廊道浇筑。（混凝土浇筑）须用翻斗车、卡车、手推车、吊管、或其它浇筑机械设备将混凝土送至最终浇筑点；当这些都行不通时，须用铁锹将混凝土小心铲到（浇筑）位置，以防止混凝土各组成成分分离。

13、except in underground galleries以及if this is impossible均为插入语，注意将插入语前后部分连贯理解。 Key Structures Unit Seven Placing Concrete第9页，共19页。Comprehension ExercisesWill approval of construction procedures and methods of placement relieve the contractor of his responsibility for their adequacy? Why? No. Because th

14、e contractor shall remain solely responsible for satisfactory construction of the permanent works. Unit Seven Placing Concrete第10页，共19页。Comprehension Exercises2. What shall the contractor provide the Engineer with for each concrete placement? For each concrete placement, the contractor shall provide

15、 the Engineer with written notice, a drawing and a pre-placement checkout sheet signed by the contractors appropriate supervisory personnel. Unit Seven Placing Concrete第11页，共19页。Comprehension Exercises3. How long shall the discharge of concrete be completed when an agitator is used for transporting

16、concrete? How long shall the concrete be placed after it has been discharged? When an agitator is used for transporting concrete, the concrete shall be delivered to the site of the work and discharge shall be completed within 1.1/2 hours after introduction of cement to the aggregates except that whe

17、n the temperature of the concrete exceeds 21C, the time shall be reduced to 45 minutes. The concrete shall be placed within 20 minutes after it has been discharged. Unit Seven Placing Concrete第12页，共19页。Comprehension Exercises4. Shall concrete be allowed to slide or flow down sloping surfaces when co

18、ncrete placing in horizontal layers? Concrete shall not be allowed to slide or flow down sloping surfaces when concrete placing in horizontal layers, except in underground galleries. Unit Seven Placing Concrete第13页，共19页。 Unit Seven Placing ConcreteComprehension Exercises5. How long shall the bedding

19、 mortars be convered by concrete after the bedding mortar placed ? Bedding mortar shall be convered by concrete within 15 minutes of the bedding mortar placed. 第14页，共19页。Reading Material to arrange with sb设法与某人谈妥或安排好某事项soundness 安定性 time of set 凝固时间loss on ignition 强热失量certificate 证书，执照，文凭；发给证明书reim

20、burse 偿还，赔偿 Unit Seven Placing Concrete第15页，共19页。Reading Materialheat of hydration 水化热identification n. 鉴定，识别，认同，身份证明permanent work 永久性工程lumpy 粗笨的，波浪起伏的，多块状物的contractor 承包商ASTM 美国材料试验协会 Unit Seven Placing Concrete第16页，共19页。Analysing the sentencesThe contractor shall arrange with the suppliers to have silos set aside for exclusive use in this Contract. to arrange with sb：to talk/negotiate with sb in order to get or do sth，设法与某人谈妥或安排好某事项。 文中该句的