工作平臺(tái)梁格體系_鋼結(jié)構(gòu)課程設(shè)計(jì)(1)

1、.First compliance review of the application of the appraisal Committee, only through the compliance review of the application to take part in a detailed review. 8.1 application compliance review: does not meet one of the following conditions, procuratorial Agency to submit application through compli

2、ance reviews, be invalidated: (1) application of the formats, contents, meet the requirements of selected files, powers of Attorney, declarations by the legal representative and the tender agent application to meet the requirements; (2) licence and a bidding agent qualifications meet the requirement

3、s; (3) the similar project tendering agency agent number and provide proof of material compliance; (4) the tendering Agency intends to put into this project the number of professionals to meet the requirements; (5) are intended to the agent of the project as a project manager has similar projects th

4、e number of and references to meet the requirements; (6) no fraud case. 8.2 application review in detail the Evaluation Committee through compliance reviews will be selected for detailed review of the application. 8.2.1 tender agent institutions similar project tender performance requirements (16 po

5、ints) tender agent institutions similar project tender performance 16 points, by two part composition (1) agent similar project of cumulative bid amount scored calculation rules for: Agent water project bid amount (on January 1, 2007 has has bid notice for associate) cumulative each reached 100 mill

6、ion Yuan have 2 points, water project cumulative bid amount scored up not over 6 points. In addition, completes a bid worth more than 500 million yuan in total 1 minute, but other items score accumulated winning amount up to a maximum of 6 points. (2) calculation rule for the number of agents simila

7、r projects: proxy bid amount (since January 1, 2007 winning notice shall prevail) bidding projects in more than 50 million Yuan by 2 points, but the Agency projects the number of scores up to 3 minutes. 8.2.2 to be agents of the construction project as a project manager in the same project performan

8、ce (10 points) Project Manager agent performance scores including agents of the bidding agencies of similar projects, as well as in other similar project tendering agency service agent during performance. Total 10 Project Manager agent performance, made up of two parts (1) acting like the accumulate

9、d winning amount calculation rule: agents for water conservancy project bid amount (since January 1, 2007 winning notice for example) cumulative average reached 100 million Yuan 3 but scored no more than 5 minutes. (2) calculation rule for the number of agents similar projects: proxy bid amount (sin

10、ce January 1, 2007 winning notice for example) in the more than 50 million Yuan water conservancy project period of 3 minutes, but scores the number of agents similar projects up to a maximum of 5 points. Project Manager demonstrated to provincial-level and higher people's Government or the deve

11、lopment and Reform Commission published the winning bidder on the designated media publicity shall prevail. 8.2.3 staff requirement (25 points) 1, to the construction project serving personnel, 4 years experience in tendering agent, 2 points per person, 2 years experience in tendering agent .Pig is

12、not a pig. With domestic international market and technology big environment of changes, as China traditional industry of pig production of job way and profit way are requirements related industry for resources integration, to quality security for premise, regulation based farming, and management co

13、st and the production, and sales cost, go standardization, and scale, and intensive, and market road, fast upgrade whole industry chain of regulation capacity, market competition capacity and anti-risk capacity. First, industry analysis (a) the basic situation in China is a traditional hog productio

14、n and consumption country, 2008 46.15 million tons of pork, pig stock 462.64 million head by the end pig slaughter 609.6 million. National pig industry's annual production value at around 650 billion yuan, nearly 50% per cent of annual output value of animal husbandry. Sichuan province in 2008 p

15、roduced 6.52 million tons of pork, with 694,000 tons of Chengdu city, live pig sell 10.46 million, first 15 Vice-provincial cities in the country. The whole nation advantage regional planning (2008-2015) there are 437 counties (cities), 55, Sichuan, Chengdu has 7 (including in pengzhou). Internation

16、al pig industry mainly include the European Union, the United States, and Canada, and Brazil and other absolute scale of animal husbandry industry and technology developed countries. Market 1, the domestic market from China's meat consumption habits and economic analysis of the development situa

17、tion, the emergence of new trends in the market of domestic pork and its products. Docking is a pig production and sales more closely. The Yangtze River Delta, Pearl River Delta and the Bohai rim economic developed area industrial structure adjustment gathered pace, two or three industries to the Ce

18、ntral and Western bias. Second, the rigid domestic consumption growth. For a long period, pork is still the largest variety of meat consumption in China, the absolute consumption continues to grow. Especially in the vast rural market growth potential. Third, market for pork and higher product qualit

19、y requirements. Pollution-free pork safety and health has shown a very good market prospects. Four is the market changing. Currently, cold meat, more and more varieties of meat and pork meat products, which accounted for a large proportion of pork consumption, stores, chain stores, supermarkets and

20、other marketing methods is on the rise, and transport has been extended to more than 2000 km in RADIUS. Chengdu is an important "River pig" resource market, the city's commercial rate reaches above 60% of live pigs, pork and raw materials primary processing products in the domestic and

21、 international reputation is high. Western hog trading center in Chengdu and provides disease-free areas of construction in order to further accelerate the development of swine industry realizes space and conditions. 2, the international markets at present, annual volume of trade in live pigs in the

22、 world year around 18 million, about 6 million tons of pork trade. A large net exporter of pork is mainly the EU and North America,-importing countries mainly in Asia, Japan, and Korea, and Singapore, the Philippines, Hong Kong and other countries and regions, as well as Russia, about 3 million tonn

23、es were imported. It is predicted that the world meat consumption increase of 80% in Asia in the future, our country has obvious geographical advantages, export potential. With the advancement of live pigs superiority industry belt construction, animal disease .提供全套，各專(zhuān)業(yè)畢業(yè)設(shè)計(jì)課程設(shè)計(jì)土木類(lèi)專(zhuān)業(yè)鋼結(jié)構(gòu)課程設(shè)計(jì)內(nèi)容及指導(dǎo)書(shū) 工作平

24、臺(tái)梁格體系設(shè)計(jì) 一、設(shè)計(jì)資料 1結(jié)構(gòu)型式 一工作平臺(tái)尺寸為14m×12m，次梁跨度為6米，次梁間距2.0米，預(yù)制鋼筋混凝土鋪板焊于次梁上翼緣平臺(tái)永久荷載(不包括次梁自重)為7.5KNm2，荷載分項(xiàng)系數(shù)為1.2，活荷載為16KNm2，荷載分項(xiàng)系數(shù)為l.4主梁跨度為14米。（若考慮次梁疊接在主梁上，其支承長(zhǎng)度a=15cm，f=l/400）。 2材料 鋼材：Q235 焊條：E43，手工電焊，普通方法檢查； 3規(guī)范 鋼結(jié)構(gòu)設(shè)計(jì)規(guī)范(GB50017-2003) 二、設(shè)計(jì)內(nèi)容 1結(jié)構(gòu)布置 要求擬出合理的結(jié)構(gòu)布置方案，并扼要說(shuō)明選型的理由與根據(jù)，按比例繪出結(jié)構(gòu)布置簡(jiǎn)圖 (1)梁格的型式 (2)主梁

25、型式 (3)次梁型式及數(shù)目 (4)梁格的連接形式 2次梁設(shè)計(jì) (1) 次梁的荷載和內(nèi)力計(jì)算 (2) 次梁截面選擇 (3) 次梁截面驗(yàn)算(包括強(qiáng)度、穩(wěn)定，局部承壓及剛度驗(yàn)算) 3主梁設(shè)計(jì) (1)主梁的設(shè)計(jì)荷載和內(nèi)力 (2)主梁截面設(shè)計(jì)及驗(yàn)算 (3)主梁截面改變及驗(yàn)算 (4)主梁翼緣焊縫設(shè)計(jì) (5)腹板加勁肋設(shè)計(jì) 三、設(shè)計(jì)成果 1設(shè)計(jì)說(shuō)明書(shū)一份 2主梁施工圖一張 工作平臺(tái)結(jié)構(gòu)總圖一一立面圖、平面圖、剖面圖。四、圖紙要求 1.字體及書(shū)寫(xiě) 字體用工程字，要求字跡清楚、端正、不得潦草。 2 圖紙幅面規(guī)格：3號(hào)圖。 土木類(lèi)專(zhuān)業(yè)鋼結(jié)構(gòu)課程設(shè)計(jì)例題 工作平臺(tái)梁格體系設(shè)計(jì) 一、設(shè)計(jì)資料 1結(jié)構(gòu)型式 一工作平臺(tái)尺

26、寸為15m×12m，次梁跨度為6米，次梁間距2.5米，預(yù)制鋼筋混凝土鋪板焊于次梁上翼緣平臺(tái)永久荷載(不包括次梁自重)為8.5KNm2，荷載分項(xiàng)系數(shù)為1.2，活荷載為20KNm2，荷載分項(xiàng)系數(shù)為l.4主梁跨度為15米。（若考慮次梁疊接在主梁上，其支承長(zhǎng)度, ）。 2材料 鋼材：Q235 焊條：E43，手工電焊，普通方法檢查； 3規(guī)范 鋼結(jié)構(gòu)設(shè)計(jì)規(guī)范(GB50017-2003) 二、設(shè)計(jì)內(nèi)容 1結(jié)構(gòu)布置 要求擬出合理的結(jié)構(gòu)布置方案，并扼要說(shuō)明選型的理由與根據(jù)，按比例繪出結(jié)構(gòu)布置簡(jiǎn)圖。 (1)梁格的型式 (2)主梁型式 (3)次梁型式及數(shù)目 (4)梁格的連接形式 2次梁設(shè)計(jì) (1) 次梁的

27、荷載和內(nèi)力計(jì)算 (2) 次梁截面選擇 (3) 次梁截面驗(yàn)算(包括強(qiáng)度、穩(wěn)定，局部承壓及剛度驗(yàn)算) 3主梁設(shè)計(jì) (1)主梁的設(shè)計(jì)荷載和內(nèi)力 (2)主梁截面設(shè)計(jì)及驗(yàn)算 (3)主梁截面改變及驗(yàn)算 (4)主梁翼緣焊縫設(shè)計(jì) (5)腹板加勁肋設(shè)計(jì)三、鋼結(jié)構(gòu)課程設(shè)計(jì)計(jì)算（一）結(jié)構(gòu)布置（二）次梁設(shè)計(jì)： 設(shè)計(jì)數(shù)據(jù)： 1、次梁的荷載及內(nèi)力 均布荷載設(shè)計(jì)值： 最大彎矩： 2、初選截面 選用50，3、強(qiáng)度驗(yàn)算： （1）正應(yīng)力驗(yàn)算： 次梁自重彎矩：, （2）剪應(yīng)力驗(yàn)算： 支座剪力：（3）次梁承受均布荷載作用，其上翼緣沒(méi)有局部集中荷載作用，可不驗(yàn)算局部壓應(yīng)力，但考慮次梁疊接在主梁上，應(yīng)驗(yàn)算支座處腹板局部壓應(yīng)力。 支座反力

28、：, 設(shè)支承長(zhǎng)度： 支承面至腹板邊緣的垂直距離： 局部承壓強(qiáng)度： 4、整體穩(wěn)定性驗(yàn)算： 由于次梁受壓翼緣與剛性面板焊接（鋼筋混凝土鋪板焊于上翼緣），能保證其整體穩(wěn)定性，按規(guī)范要求，可不驗(yàn)算整體穩(wěn)定性。5、局部穩(wěn)定性：由于次梁采用型鋼梁，可不驗(yàn)算其局部穩(wěn)定性。6、剛度驗(yàn)算：剛度驗(yàn)算按正常使用極限狀態(tài)進(jìn)行驗(yàn)算，采用荷載的標(biāo)準(zhǔn)組合：（三）主梁設(shè)計(jì)（1）、主梁荷載及內(nèi)力： 由次梁傳來(lái)的集中荷載： 假設(shè)主梁自重為，加勁肋等的附加重量構(gòu)造系數(shù)為1.1，荷載分項(xiàng)系數(shù)為1.2，則自重荷載的設(shè)計(jì)值為。 跨中最大彎矩： 支座最大剪力：（2）、截面設(shè)計(jì)及驗(yàn)算：1、截面選擇： 考慮主梁跨度較大，翼緣板厚度在1640m

29、m范圍內(nèi)選用，需要的凈截面抵抗矩為：由公式（5.2.4）計(jì)算梁的經(jīng)濟(jì)高度為： 因此取梁腹板高 由公式（5.2.6）計(jì)算腹板抗剪所需的厚度：由公式（5.2.7）得： 取腹板厚為：，腹板采用1750×14的鋼板。 需要的凈截面慣性矩： 腹板慣性矩為： 所需翼緣板的面積： 取 b500mm，t22mm,梁高。 在之間。2、梁截面特性計(jì)算： 3、截面驗(yàn)算： （1）受彎強(qiáng)度驗(yàn)算： 梁自重：（2）剪應(yīng)力、剛度不需驗(yàn)算，因選擇梁高及腹板厚度時(shí)已得到滿足。 （3）整體穩(wěn)定性驗(yàn)算：因次梁與剛性鋪板連接，主梁的側(cè)向支承點(diǎn)間距等于次梁的間距，即，則有，故不需驗(yàn)算梁的整體穩(wěn)定性。 （4）主梁截面改變及驗(yàn)算：

30、 1、截面改變：為節(jié)約鋼材，在距支座處開(kāi)始改變翼緣的寬度，所需翼緣的寬度由截面改變處的抗彎強(qiáng)度確定，截面改變點(diǎn)的彎矩和剪力為： 需要 ：則，取改變后的翼緣寬度為20cm 2、截面改變處折算應(yīng)力驗(yàn)算：（4）主梁翼緣焊縫設(shè)計(jì) 支座最大剪力：則需要的焊縫厚度為：按構(gòu)造要求：，選取翼緣焊縫的焊腳尺寸。 （5）腹板加勁肋設(shè)計(jì)： 根據(jù)腹板的局部穩(wěn)定性要求，因，按規(guī)范要求，應(yīng)設(shè)置橫向加勁肋，而不需設(shè)置縱向加勁肋。首先，按構(gòu)造要求，在每根次梁下面和支座處設(shè)置加勁肋，即取加勁肋的間 a2.5m，將半跨范圍內(nèi)劃分為三個(gè)區(qū)段，分別驗(yàn)算每個(gè)區(qū)段的局部穩(wěn)定性。 1、加勁肋的設(shè)計(jì)：在腹板兩側(cè)成對(duì)配置加勁肋，加勁肋截面外伸

31、寬度：取，加勁肋的厚度：，取2、區(qū)段 區(qū)段左邊截面內(nèi)力 M0，區(qū)段右邊截面內(nèi)力 ， 區(qū)段截面平均內(nèi)力 腹板計(jì)算高度邊緣處由平均彎矩和剪力所引起的應(yīng)力：臨界應(yīng)力計(jì)算：（1）的計(jì)算：（2）的計(jì)算：腹板局部穩(wěn)定驗(yàn)算：3、區(qū)段 區(qū)段左邊截面內(nèi)力: , 區(qū)段右邊截面內(nèi)力: 區(qū)段截面平均內(nèi)力: 腹板計(jì)算高度邊緣處由平均彎矩和剪力所引起的應(yīng)力： 臨界應(yīng)力計(jì)算： （1）的計(jì)算： （2）的計(jì)算： 腹板局部穩(wěn)定驗(yàn)算： 區(qū)段的局部穩(wěn)定滿足要求。 3、區(qū)段是局部穩(wěn)定驗(yàn)算略。.;4.1 application of the Chinese language application for proxy bidding a

32、gency application system. 4.2 bidding agent applications should be submitted by the Agency included in the 5th chapter of the content, and than select file asked to provide appropriate documentation. 4.3 proxy application shall affix its official seal coding and page by page in the specified locatio

33、n. Agent a copy of the application shall have to number the pages and signed original copy (copy) (including supporting documents), and copy should be exactly the same. 4.4 application there shall be no loose pages. 4.5 agent application should be complete with indelible ink (powdered) prints, the a

34、gent shall not alter any page of the application. 4.6 bidding agencies offer should be based on the interim measures for the management of tendering agent's service charges (meter prices 20021980) rules of the Nineth, tender agent service charges using the difference progressive billing rate. Ch

35、arges in accordance with the tendering agent's service charges and, in conjunction with the provisions of the specific circumstances of the project shall not be floating up and down-floating range must not exceed 20%, otherwise the application cannot pass compliance checks, be invalidated. Due t

36、o bidding agency selection and principal-agent contracts signed during charging base bid amount has not yet been produced, it can only be according to the rates of price, bid and the bid amount determines after the end, controlled response rates calculated shall pay tender fee (tender agency fee acc

37、ounts for the actual bidding agent item for fares). Than the selected person tendering agent's service charge control the upper and lower limits, Cap for the State Development Planning Commission of the interim measures for the management of tendering agent's service charges (meter prices 20

38、021980) of tendering agent's service fees under 100%, the lower limit for the State Development Planning Commission of the interim measures for the management of tendering agent's service charges (meter prices 20021980) of tendering agent's service fees under 80%. Tendering agent's service charge base should include the following t