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施工电梯地下室顶板加固方案.doc

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1、Delegates, staff: Hello! in the run-up to the Spring Festival, we held one session of four staff representatives Conference 2013-workshop, full back in 2012, careful analysis of the current situation, discuss 2013 development plans. Here, on behalf of my company 2013 work reports to the General Asse

2、mbly, for consideration. Pillar I, 2012 back in 2012, XX power companies adhere to the partys 17 great spirit for guidance, comprehensively implement the scientific concept of development, promoting cost-leadership strategy, standards, focus on implementation, lean management, continuously improve,

3、smooth present safety situation of enterprise management, business management and control scientific and standardized, and the dedication of staff, manage a harmonious and democratic atmosphere of the good situation. Main indicators are as follows:-the battery indicator: power generation totaled 7.8

4、15 billion kWh, beyond the annual budget implementation capacity of 315 million kWh, an increase of 757 million kWh. Sales totaled 7.425 billion kWh, exceeding sales of 330 million kWh the annual Executive budget, an increase of 729 million kWh. -Security measures: unplanned outages 2.5 times. No pe

5、rsonal injury accident occurred, no major accident and above, no major fire accidents without environmental pollution accidents, safety for three consecutive years to maintain stability to good posture. Business financial indicators: total profits of 255 million Yuan, beyond the annual budget of 207

6、 million Yuan, beyond the Datang company index 41.89 million Yuan, an increase of 1.76 million Yuan, FCM assessment at grade four. -Energy: power supply standard coal completing 312.25 g/kWh, down 0.1 g/kWh; integrated auxiliary power consumption ratio in 5.12%, down 0.26%; pollutant emissions perfo

7、rmance greatly reduced compared to last year, carbon 0.09 g/kWh, sulfur dioxide 0.104 g/kWh NOx 0.512 g/kWh; dust removal efficiency of more than 99.8%. -Reliability index: equivalent availability factor in 93.47%, increased 7.95% from a year earlier. Equivalent forced outage rate 0.08%, 0.16% reduc

8、tion over the same period a year earlier. Major achievements: first, we should adhere to the two “management system“ basis, strengthening technological research, strengthen hidden hazards control and intrinsic safety Enterprise construction took new steps. -The two “management system“ for improvemen

9、t. Focus on promoting the power of the company management system and the application and implementation of the safety loop five-star management system, improve the safety management system, realize the system of safety control. Further regulate security routines, safety supervision and management ne

10、twork role to play to achieve closed-loop. Strengthening the supervision and management of habitual violation of, strengthening the safety supervision of outsourcing contractors. Carried out in spring and autumn of security inspections, flood control and inspection, safety production month, day supe

11、rvision of production safety and the Olympic Games and otheractivities, comprehensive and tamping Safety Foundation . Troubleshooting, management mechanism, give full play to role of technical supervision and realization of troubleshooting, management, improved process management. This year complete

12、d the boiler lower header leakage, boiler pressure, a major risk management, completed 29 of great risks and 3 General problems of governance. Complete chemistry lab construction, thermal control, and complete the boiler scale integrated management, host shafting vibration of 10 scientific and techn

13、ological projects, such as. Complete supercritical 630MW on-line simulation system development and application of circulating water MCC standby power transformation, the transformation of desulfurization waste water, the unit water supply system of comprehensive treatment and discharge valve modific

14、ation of coal mill 5 key technological transformation projects, group health is improved. -Science and technology innovation is further increased. Strengthen the characteristics of supercritical unit major issues, gradually clearing the particularity of supercritical unit and regularity. Developed m

15、otor oil time management, switch action times, statistics, coal-aided measurement software, improves the production level of lean management. Increased investment in science and technology, reporting science and technology projects and 14 technical project total cost percentage of the total annual p

16、roduction output of 0.25%. “Large-scale coal-fired power plant flue gas desulfurization, denitrification complete development and application of key technologies“ project, won the national science and technology progress second prize. 630MW supercritical units optimized control strategies and the 63

17、0MW development and application of on-line simulation system for supercritical units, supercritical 600MW units of turbine driven boiler feed pump set of comprehensive treatment of defects Datang technology respectively one or two and third. Meanwhile, information technology achievements, the compan

18、y was named “China power information technology benchmarking enterprises.“ -Repair and maintenance has improved further. Modify the inspection standards and standards on a regular basis, standardizing work procedures, checking and inspection project. Deepening the BFS+ system, and implements mainten

19、ance information shared. Reorganizing RB logic again, and ensure the success of the RB. Innovating the mechanism of maintenance management, implemented a project manager system. Successful completion of two autonomous maintenance, reliability improved steadily. Implementing two c-level maintenance,

20、project themselves 48.7% and 42.3%, respectively. Accomplish two circulating pumps repair and overhaul of four Mills, maintenance teams to get exercise. Promote the work of energy saving and consumption reducing, complete the unit energy consumption diagnosis, plant water balance test, 10 energy-sav

21、ing projects. Second, we should adhere to “three“ on the economic benefits of improving, outreach九州花园 2.1.2 期 18#、23#施工电梯地下室顶板加固施工方案一、概述九州花园 2.1.2 期 18#、23#高层住宅楼施工电梯的安装位置,根据现场情况需设置在 P3 平台 300 厚的地下室顶板上。考虑到 P3 平台的地下室顶板设置有 800 宽的沉降后浇带,施工电梯基座区域的后浇带需先行浇筑封闭,施工电梯基座跨过后浇带设置。为确保地下室结构安全,在施工电梯基座区域地下室顶板下,设置钢管结构顶

22、撑,防止结构变形过大。二、施工电梯技术要求:本项目施工电梯采用常州江南建筑机械公司(生产厂家)生产的SCD200/200 施工电梯,电梯使用说明书中,地耐力要求导轨高度小于 100m 时不低于 0.10MPa(100kN/),根据设计单位提供的地下室汽车库顶板承载力为4.00KN/。地下室顶板不能满足要求。三、结构层支撑措施:为确保低下车库顶板结构安全及施工电梯正常运行,在地下室顶板底部采用钢管构架顶撑对施工电梯关键承载部位的顶板进行加固支撑,使上部荷载直接通过钢管支撑传递给基础底板,限制顶板在施工电梯荷载作用下的变形。钢管构架顶撑采用482.8 钢管立杆双向间距 800 800,按施工电梯基

23、础范围设置,双向水平杆步距 1.50m 一道,顶部采用 U 型顶托垫木方与顶板顶紧,具体位置及做法详见后附图。注意:顶撑支架尽量跨越后浇带,支承于后浇带两侧。四、结构层支撑复合验算:(1)SCD200/200 施工电梯荷载(按使用说明书-主要技术参数)外笼重量: 1480kg吊笼重量: 13802=2760 kg对重重量(双对重):11202=2240 kg吊笼载重(双笼):20002=4000 kg导轨架总重(供需 66 节,每节重 160):66x160=10560合计: 21040 kg附墙架、电缆、紧固件约占电梯总重 30% 6312kg过道、过桥竖杆、连杆附墙约占电梯总重 45% 9

24、468kg基础板重:不设置电梯基础,施工电梯地脚螺栓埋入地下室顶板Delegates, staff: Hello! in the run-up to the Spring Festival, we held one session of four staff representatives Conference 2013-workshop, full back in 2012, careful analysis of the current situation, discuss 2013 development plans. Here, on behalf of my company 2013

25、 work reports to the General Assembly, for consideration. Pillar I, 2012 back in 2012, XX power companies adhere to the partys 17 great spirit for guidance, comprehensively implement the scientific concept of development, promoting cost-leadership strategy, standards, focus on implementation, lean m

26、anagement, continuously improve, smooth present safety situation of enterprise management, business management and control scientific and standardized, and the dedication of staff, manage a harmonious and democratic atmosphere of the good situation. Main indicators are as follows:-the battery indica

27、tor: power generation totaled 7.815 billion kWh, beyond the annual budget implementation capacity of 315 million kWh, an increase of 757 million kWh. Sales totaled 7.425 billion kWh, exceeding sales of 330 million kWh the annual Executive budget, an increase of 729 million kWh. -Security measures: u

28、nplanned outages 2.5 times. No personal injury accident occurred, no major accident and above, no major fire accidents without environmental pollution accidents, safety for three consecutive years to maintain stability to good posture. Business financial indicators: total profits of 255 million Yuan

29、, beyond the annual budget of 207 million Yuan, beyond the Datang company index 41.89 million Yuan, an increase of 1.76 million Yuan, FCM assessment at grade four. -Energy: power supply standard coal completing 312.25 g/kWh, down 0.1 g/kWh; integrated auxiliary power consumption ratio in 5.12%, down

30、 0.26%; pollutant emissions performance greatly reduced compared to last year, carbon 0.09 g/kWh, sulfur dioxide 0.104 g/kWh NOx 0.512 g/kWh; dust removal efficiency of more than 99.8%. -Reliability index: equivalent availability factor in 93.47%, increased 7.95% from a year earlier. Equivalent forc

31、ed outage rate 0.08%, 0.16% reduction over the same period a year earlier. Major achievements: first, we should adhere to the two “management system“ basis, strengthening technological research, strengthen hidden hazards control and intrinsic safety Enterprise construction took new steps. -The two “

32、management system“ for improvement. Focus on promoting the power of the company management system and the application and implementation of the safety loop five-star management system, improve the safety management system, realize the system of safety control. Further regulate security routines, saf

33、ety supervision and management network role to play to achieve closed-loop. Strengthening the supervision and management of habitual violation of, strengthening the safety supervision of outsourcing contractors. Carried out in spring and autumn of security inspections, flood control and inspection,

34、safety production month, day supervision of production safety and the Olympic Games and otheractivities, comprehensive and tamping Safety Foundation . Troubleshooting, management mechanism, give full play to role of technical supervision and realization of troubleshooting, management, improved proce

35、ss management. This year completed the boiler lower header leakage, boiler pressure, a major risk management, completed 29 of great risks and 3 General problems of governance. Complete chemistry lab construction, thermal control, and complete the boiler scale integrated management, host shafting vib

36、ration of 10 scientific and technological projects, such as. Complete supercritical 630MW on-line simulation system development and application of circulating water MCC standby power transformation, the transformation of desulfurization waste water, the unit water supply system of comprehensive trea

37、tment and discharge valve modification of coal mill 5 key technological transformation projects, group health is improved. -Science and technology innovation is further increased. Strengthen the characteristics of supercritical unit major issues, gradually clearing the particularity of supercritical

38、 unit and regularity. Developed motor oil time management, switch action times, statistics, coal-aided measurement software, improves the production level of lean management. Increased investment in science and technology, reporting science and technology projects and 14 technical project total cost

39、 percentage of the total annual production output of 0.25%. “Large-scale coal-fired power plant flue gas desulfurization, denitrification complete development and application of key technologies“ project, won the national science and technology progress second prize. 630MW supercritical units optimi

40、zed control strategies and the 630MW development and application of on-line simulation system for supercritical units, supercritical 600MW units of turbine driven boiler feed pump set of comprehensive treatment of defects Datang technology respectively one or two and third. Meanwhile, information te

41、chnology achievements, the company was named “China power information technology benchmarking enterprises.“ -Repair and maintenance has improved further. Modify the inspection standards and standards on a regular basis, standardizing work procedures, checking and inspection project. Deepening the BF

42、S+ system, and implements maintenance information shared. Reorganizing RB logic again, and ensure the success of the RB. Innovating the mechanism of maintenance management, implemented a project manager system. Successful completion of two autonomous maintenance, reliability improved steadily. Imple

43、menting two c-level maintenance, project themselves 48.7% and 42.3%, respectively. Accomplish two circulating pumps repair and overhaul of four Mills, maintenance teams to get exercise. Promote the work of energy saving and consumption reducing, complete the unit energy consumption diagnosis, plant

44、water balance test, 10 energy-saving projects. Second, we should adhere to “three“ on the economic benefits of improving, outreachP=(21040+6312+9468)9.80/1000=360.8KN(2)钢管支承架体承载能力验算:(按轴心受压考虑)(1)模板支承系统承载:顶板底支撑钢管立杆(482.8)布置间距为 800800,水平杆步距1.50m,支撑钢管立杆(482.8)有效面积 A=397.4mm2钢管482.8 回转半径:i= = =16.01mm421

45、d4.82计算长度:l 0=1500mm; = = =93.7=150il0.65查 b 类截面轴心受压钢构件稳定系数表:得 =0.634c= =205N/mm2AN.N= c. .A=205N/mm2 0.634397.4=51.70KN单根立杆受力面积:0.8m0.8m=0.64m 2立杆支承系统承载能力:51.7KN0.64m 2=80.78kN/m2注: 设计要求地下室顶板承载 4.0kN/m2,验算时未考虑顶板承载能力。(2)支承系统上部荷载:1.楼板荷载:25kN/m 31.0m1.0m0.3m=7,5kN/m22.电梯使用荷载:360.8(4m4m)=22.55KN/m 2合计:

46、7.51.222.251.4=40.15kN /m 280.78kN/m2结论:钢管支承系统承载能力大于上部荷载,满足地下室顶板结构安全要求。(3)地基承载力验算基础底板承重满足承重要求。五、 钢构架顶撑技术要求:1. 钢管架顶撑的材料严格按上述要求选用。2. 钢管架顶撑的搭设严格按建筑施工模板安全技术规范JGJ162-2008 进行。3. 顶撑立杆上部采用 U 型顶托与结构之间必须垫设方木,且与结构顶平顶紧。4. 钢管架顶撑施工完成,经验收合格后,方可安装使用施工电梯。5. 按地下室结构后浇带实际情况调整支撑布置,中心支撑杆分布在后浇带两侧。Delegates, staff: Hello!

47、in the run-up to the Spring Festival, we held one session of four staff representatives Conference 2013-workshop, full back in 2012, careful analysis of the current situation, discuss 2013 development plans. Here, on behalf of my company 2013 work reports to the General Assembly, for consideration.

48、Pillar I, 2012 back in 2012, XX power companies adhere to the partys 17 great spirit for guidance, comprehensively implement the scientific concept of development, promoting cost-leadership strategy, standards, focus on implementation, lean management, continuously improve, smooth present safety sit

49、uation of enterprise management, business management and control scientific and standardized, and the dedication of staff, manage a harmonious and democratic atmosphere of the good situation. Main indicators are as follows:-the battery indicator: power generation totaled 7.815 billion kWh, beyond the annual budget implementation capacity of 315 million kWh, an increase of 757 million kWh. Sales totaled 7.425 billion kWh, exceeding sales of 330 million kWh the annual Executive budget, an increas

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