Photovoltaic solar panel 对比 Timber Engineering Calculator 的使用情况和统计数据

Timber Engineering Calculator contains 55 Calculators for different Timber and Civil Engineering parameters. Comprehensive Calculator for Timber and Wood-works. *** Available in Metric (SI) and Imperial (USCS) Units *** • Area of Section (Rectangular and Square Beam) • Moment of Inertia (Rectangular and Square Beam) • Distance from Axis to Extremities of Section (Rectangular and Square Beam) • Radius of Gyration (Rectangular and Square Beam) • Section Modulus (Rectangular and Square Beam) • Maximum Fiber Stress (Rectangular Timber Beam) • Maximum Fiber Stress using Section Modulus (Rectangular Timber Beam) • Horizontal Shearing Stress (Rectangular Timber Beam) • Horizontal Shearing Stress (Rectangular Timber Beam with a notch in the lower face at the end) • Modified Total End Shear (Concentrated Loads) • Modified Total End Shear (Uniform Loading) • Allowable Unit Stress on Timber Columns (Single Piece of Lumber/Group of Pieces glued together) • Allowable Unit Stress on Timber Columns (Square/Rectangular Cross Section) • Allowable Unit Stress on Timber Columns (Circular Cross Section) • Allowable Unit Compressive Stress (Load is at an angle to the grain) • Allowable Stress - Rectangular Section (National Design Specification) • Allowable Compressive Stress inclined to grain (Hankinson's Equation) • Extreme-Fiber Bending - Adjusted Design Value • Tension - Adjusted Design Value • Shear - Adjusted Design Value • Compression perpendicular to the grain - Adjusted Design Value • Compression parallel to the grain - Adjusted Design Value • End grain in bearing parallel to the grain - Adjusted Design Value • Modulus of Elasticity - Adjusted Design Value • Size Factor • Volume Factor (Southern Pine) • Volume Factor (Other Species) • Radial Stress induced by a Bending Moment • Curvature Factor • Bearing Area Factor • Slenderness Ratio for Beams • Allowable Withdrawal Load (Nails and Spikes penetration) • Total Allowable Lateral Load - Group I Wood (Nails and Spikes penetration) • Total Allowable Lateral Load - Group II Wood (Nails and Spikes penetration) • Total Allowable Lateral Load - Group III Wood (Nails and Spikes penetration) • Total Allowable Lateral Load - Group IV Wood (Nails and Spikes penetration) • Allowable Withdrawal Load (Threaded portion of a Wood Screw penetration) • Total Allowable Lateral Load - Group I Wood (Wood Screws penetration) • Total Allowable Lateral Load - Group II Wood (Wood Screws penetration) • Total Allowable Lateral Load - Group III Wood (Wood Screws penetration) • Total Allowable Lateral Load - Group IV Wood (Wood Screws penetration) • Bolts - Adjusted Design Value for Lateral Loading • Split-Ring and Shear-Plate Connectors - Adjusted Value for Loading Parallel to Grain • Split-Ring and Shear-Plate Connectors - Nominal Value for Loading Normal to Grain • Nails and Spikes - Adjusted Design Value for Withdrawal • Nails and Spikes - Adjusted Design Value for Lateral Loading • Wood Screws - Adjusted Design Value for Withdrawal • Wood Screws - Adjusted Design Value for Lateral Loading • Lag Screws - Adjusted Design Value for Withdrawal • Lag Screws - Adjusted Design Value for Lateral Loading • Metal Plate Connectors - Adjusted Design Value for Lateral Loading • Drift Bolts and Drift Pins - Adjusted Design Value for Withdrawal • Drift Bolts and Drift Pins - Adjusted Design Value for Lateral Loading • Spike Grids - Adjusted Design Value for Lateral Loading • Stress and Deflection Factor (Ponding)