A Theoretical and Practical Treatise on Oblique Bridges in Stone and BrickRailway Engineer, 1901 - 47 páginas |
Términos y frases comunes
38 degrees a c)² abutments acute quoin angle of friction angle of skew arch stones arris axis bell-mouthing brick calculated centre line convenient cosec cotan coursing beds coursing joints crown curve cylinder dimensions distance divergence elevation equal extradosal template face joints feet foot length heading joints heading spiral inches intradosal angle intradosal checks intradosal coursing spiral intradosal segment intradosal spiral length of impost line a b line of thrust LUDGATE CIRCUS BUILDINGS masonry meeting oblique arch oblique span obtuse quoin parallel plane projection radius Railway Engineer Railway Series RAILWAY SIGNALLING rate of inclination right angles right-angled triangles rise scale similar triangles skew arch skew backs skew span soffit spandril spiral surface square span straight edge straight line tangent thickness trigonometrical tables twisting rules vertical line voussoirs wrought