Application of Simulation in Construction Processes

By: Khalid Al-Gahtani

King Saud University

CE417CE417CONSTRUCTION EQUIPMENT AND METHODSCONSTRUCTION EQUIPMENT AND METHODS

Project Content

Simulation software.Simulation models in construction.Case study of earthmoving by

using simulation.

Simulation SoftwareCycloneSTOPSCOPESimulation using javaSimEarth simulation systemBelief networks for construction

STOPSCOPE

SimEarth simulation system

Simulation Models for Some Construction ProcessesBridge damp earthmovingSteel erection modelBridge process simulation model

Bridge Dam Earthmoving Model

Bridge Dam Model

Steel Erection Model

Bridge Process Simulation Model

Case Study Of Earthmoving by Using Um-cyclone

Loaders Used in Simulation

Model CAT 936 CAT 950E

Machines available 2 1

Bucket Size (m3) 2 2.4

Soil loaded in loader’s bucket, S (m3)

Bucket Size*

N[1,0.05]

Bucket Size *

N[1,0.04]

Time to load a scoop of soil in truck (min)

0.40+0.05S 0.43+0.035S

Cost ($/hr) 45 62

Truck Equipment That Used.Model CAT 769C CAT 773B

Machines available 8 3

Capacity (m3) 23.6 34.1

Max. speed (km/hr) 75 62

Actual speed (km/hr)Calc. Speed*N[1,0.03]

Calc. Speed*N[1,0.02]

Dumping time (min) 1 1.12

Maneuvering time at loading area (min)

0.6 0.72

Cost ($/hr) 117 175

Result of CycloneThe total time that required moving

200,000 m3 based on 3 loader and 11 trucks is 19128.7 minute = 318.8 hours = 45.5* working days.*Assuming 7 hours/day.

Cyclone software.

Questions

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