【正文】 （2）寫出力法方程如下：δ11 X1+Δ1P= 0（3）計算系數(shù)δ11及自由項Δ1PABCMP圖作圖和MP圖如下：圖ABC1lll （4）求解多余未知力：ABC圖（5）作M圖：作原結(jié)構(gòu)M圖如下：ABC圖DEF作業(yè)三說明：本次作業(yè)對應(yīng)于位移法和力矩分配法，應(yīng)按相應(yīng)教學(xué)進(jìn)度完成。m）1ABCD444圖 （4）求解多余未知力：{ 解得： X1= X2=（5）作M圖：6kNABCDM圖（kNm）九、用力法計算下列剛架，并作彎矩圖。（4分）1． ． ２．(a) (b)３． ４．(c) (d)1．5次 2．1次 3．4次 4．7次 八、用力法計算圖示結(jié)構(gòu)，并作彎矩圖。ll/2qABC1．計算C點水平位移解：（1）作MP圖ABCMP圖（2）作圖ABC圖1（3）計算C點水平位移 2．計算C點轉(zhuǎn)角 （1）MP圖同上（2）作圖ABC圖11（3）計算C點轉(zhuǎn)角 （ ）五、試求圖所示剛架點D的豎向位移。 ）5．用力法計算超靜定結(jié)構(gòu)，選取的基本結(jié)構(gòu)不同，則典型方程中的系數(shù)和自由項數(shù)值也不同。（ 218。m）作彎矩圖如下：40kN40kN20kN/m2m2m2m2m2m2mACBDE五、計算圖示桁架中指定桿件的內(nèi)力。4．解：由三剛片規(guī)則，可知體系是無多余約束的幾何不變體系。s speak seriously as a basic attitude, adhere to positive education, to carry out criticism and self criticism group, adhere to the pragmatic, more emphasis on leadership, pay more attention to the layers of the demonstration, more focus on the four winds, solve the problem, pay more attention to open the door, the participation of the masses, pay more attention to the classification guidance. Orderly, pay more attention to the cooperation and cohesion driven, more strict requirements on injection, really supervision practice, ensure education practice is not empty is not empty is not partial, not as a mere , the key point of the taskThe main task of the county39。s mass line educational practiceAccording to the central and provincial, municipal unified deployment, according to municipal Party mittee about carrying out the party39。 ）10．試判斷下列彎矩圖是否正確。 ）8．求桁架內(nèi)力時截面法所截取的隔離體包含兩個或兩個以上的結(jié)點。但橫截面形狀不同，故其內(nèi)力也不相同。（180。（218。土木工程力學(xué)（本）形成性考核冊作業(yè)一說明：本次作業(yè)對應(yīng)于平面體系的幾何組成分析和靜定結(jié)構(gòu)的受力分析，應(yīng)按相應(yīng)教學(xué)進(jìn)度完成。 ）2．如果體系的計算自由度大于零，那么體系一定是幾何可變體系。 ）4．一個體系是有n個自由度的幾何可變體系，那么加入n個約束后就成為無多余約束的幾何不變體系。 ）6．圖示兩個單跨梁，同跨度同荷載。（180。（ 180。（每小題5分，共20分）１． ２． ３． ４． Opinions and suggestions on the party39。s mass line educational practice activities from 20** in January to 99 months, carried out at all levels of departments and directly affiliated institutions and grassroots party organizations. According to my actual County, the county to carry out the education practice put forward the following implementation , the overall requirementsCounty county education practice to the eighteen Party of eight, the spirit of the the third Plenary Session of the 18th CPC Central Committee as the guidance, conscientiously implement the spirit of general secretary Xi Jinping book series of important speech, earnestly implement the Central Committee really, opinions and advice , party implementing the guiding ideology of opinions to determine the objectives and requirements, step method, in accordance with the look in the mirror, dress up, wash bath, cure treatment, the general requirements of for the people pragmatic honest people as the theme, in carrying forward the spirit of Zhuanglang Zhuang, improve their work style, service to the masses of the people, the foundation of consolidating grassroots, promote transformation across efforts, to further implement the central eight regulations and The opposition party and government austerity waste regulations , double section provincial regulations, municipal provisions of the twelve plan and the implementation measures for on improving the work style of close ties with the masses law, highlight style building, carry out the whole wind spirit, resolutely oppose formalism, bureaucracy, hedonism and wasteful extravagance to solve the problems, Party members and cadres of the style and the masses of people strong, the Ministry of Party members and cadres to further improve their thinking and understanding, to further change the style of the