MARKS: CLO 2: ____ / 25 TOTAL: ___ / 25
CIVIL ENGINEERING DEPARTMENT ASSESSMENT: ASSIGNMENT 1 TIME ALLOCATION: 1 WEEK
CODE & COURSE NAME: DCC 5163 – THEORY OF STRUCTURES NAME: MATRIC NO.: CLASS: DATE: INSTRUCTION: This section consists of ONE (1) essay question. Answer all question. ARAHAN:
Bahagian ini mengandungi SATU (1) soalan esei. Jawab semua soalan. QUESTION 1 CLO2 C2
SOALAN 1 A statically determinate truss is subjected to an external loads as shown in Figure 1. Kekuda boleh tentu static dikenakan beban luar seperti yang ditunjukkan Rajah 1
(a) Calculate the reaction forces at the support Kirakan daya tindakbalas pada penyokong (b) Determine the internal forces in each member by using the method of joints. Kenalpasti daya dalaman setiap anggota dengan menggunakan kaedah sendi (c) Produce a diagram of truss by showing internal forces including sign of force direction. Tunjukkan gambarajah kekuda yang dilengkapi daya dalaman beserta tanda arah [25 marks]
Figure 1/Rajah 1
QUESTION 2 SOALAN 2 A statically determinate truss is subjected to an external loads as shown in Figure 2. Kekuda boleh tentu static dikenakan beban luar seperti yang ditunjukkan Rajah 2
(a) Calculate the reaction forces at the support Kirakan daya tindakbalas pada penyokong (b) Determine the internal forces of member CD, DF, DE and EB by using the method of section. Kenalpasti daya dalaman bagi anggota CD, DF, DE dan EB dengan menggunakan kaedah keratan (c) Produce a diagram of truss by showing internal forces including sign of force direction. Tunjukkan gambarajah kekuda yang dilengkapi daya dalaman beserta tanda arah [25 marks]
20kN
C
10kN
D
10kN
E 4m
A
B F
G
3@2m = 6 m
Figure 2/Rajah 2