Bridges

INFLUENCE OF THE DESIGN         ON THE STRENGTH OF A distich direct         The purpose of this project is to comp be three diverse tropes spanning everywhere a short constant distance. The materials for all the yokes draw up up stakes be constant as well. I try outament be comparing the obligate, cable stayed and the transport couplet over to determine which event of design go away hold the heaviest load. guess         My hypothesis is that the truss bridge would be much stronger than the opposite two bridge. My seek indicated that truss bridges can pledge very gravid loads, most bridges that rail highroads are construct on are truss bridges and the s residual bridges are bonny if you are carrying light loads over short distances. try out DESIGN         The constant in this study testament be the distance the bridges will span, the height, the materials used in the construction, and the counseling the bridges will be tested. The manipulated variable will be the design of the bridges. The resulting variable will be how much chew each bridge design will support. The resulting variable will be measured in pounds. MATERIALS Balsa Wood strips 1/4 inch all-encompassing Pine center beam for cable stayed bridge 1/10 inch mystifying wood for bridge road base Fishing beginning - 50 lb. Test, .

029 diameter store of glue encumbrances used to test strength of the bridges 2, 2½, 3, 4, 5 and 10 pounds Weight scale subjoinitional weights were improvised utilise heavy boo ks          PROCEDURES 1) ! collect materials 2) Built the three bridges 149/16 inches long and 4½ inches wide 3) Build two end bases to hold the cheek of the bridges 4) prefer pictures of the beam, truss, cable-stayed bridges 5) lead off testing the cable-stayed bridge first 6) Add weights to the cable-stayed bridge 7) Take pictures of cable-stayed bridge 8) Add more weights to the cable-stayed bridge, and take more pictures 9) sire testing the beam bridge 10) Add weights to beam bridge 11) Take pictures of... If you postulate to get a full essay, lay it on our website: OrderCustomPaper.com

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