Bridge-Equivalent Force Method
Equivalent force method determines the tendon forces and apply them directly to the grillage model. The forces and moment due to tendon are applied…
Read more
Theory for Free Vibration of Undamped SDOF System
Considering an undamped SDOF system subjected to free vibration. From this situation, we can determine the natural frequency of the system, and corre…
Read more
Bridge-Prestress Analysis
Prestress analysis starts with the tendon force calculation, and based on the results the primary and secondary effects are determined. Primary eff…
Read more
Bridge-Grillage Model
Traditionally, loadings and long-term effects are separately defined to determine longitudinal and transverse design. In relation to this, grillage m…
Read more
Forms of System and Vibration in Structural Dynamics
The components of dynamic system generate resisting force against external dynamic force. Each of them is correlated with one structural response: …
Read more
Bridge-Material Quantities
Precast segmental construction is more economic than in situ construction as thinner deck section is possible. The reinforcement in precast segment…
Read more
Bridge-Costing
The contributors of bridge cost are: Ground condition Site location Design Site constraints Labour and material costs To achieve economic…
Read more
Damping Component of a Dynamic System
Damping component dissipates the energy enter into the structural system via work done on it. There are several factors that produce structural dampi…
Read more
Bridge-Internal and External Tendons
Post-tensioned tendons can be placed either internally or externally. Internal tendons are those located within the concrete section after casting.…
Read more
Bridge-Span Arrangement
Span arrangement is governed by the nature of obstruction. Minimum span length and clearance height are dictated by the requirement of the road, ra…
Read more
Our Social Media Accounts