XSTRUCTURES – NSCP 2015 Seismic Parameter Calculator
Design Response Spectra and Base Shear Analysis Tool
Design Response Spectra
T₀ = 0.155 s
Tₛ = 0.776 s
2.5Cₐ = 1.331
Cᵥ/T = Variable
Response Spectra Table
Click to copy table data
📋 Calculation Results
🎯 Near Source Factors
Nₐ (Near Source Factor)
1.00
Nᵥ (Near Source Factor)
1.20
⚡ Seismic Coefficients
Cₐ (Seismic Coefficient)
0.44
Cᵥ (Seismic Coefficient)
0.758
📊 Response Spectra Parameters
2.5Cₐ (Maximum Response)
1.100
T₀ (Short Period)
0.088
Tₛ (Long Period)
0.550
⏱️ Structure Period Analysis
Ct Value
0.0853
Method A – Tₓ (s)
0.591
Method B – Tₓ (s)
0.710
Governing Tₓ (s)
0.591
Method A – Tz (s)
0.591
Method B – Tz (s)
0.710
Governing Tz (s)
0.591
🏗️ Base Shear Analysis
Vₓ – Base Shear X (kN)
2571.32
Vₓ – Upper Limit (kN)
2362.77
Vₓ – Lower Limit (kN)
623.77
Vz – Base Shear Z (kN)
1956.31
Vz – Upper Limit (kN)
1772.08
Vz – Lower Limit (kN)
623.77