Concrete Building ConstructionJ. Wiley, 1927 - 689 pages |
From inside the book
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Page 3
... equal or nearly equal size , the girderless type is usually more satisfactory for superimposed loads of 100 lb per sq ft or more , as there is a definite saving on account of reduced story- heights and simplicity of form - work . There ...
... equal or nearly equal size , the girderless type is usually more satisfactory for superimposed loads of 100 lb per sq ft or more , as there is a definite saving on account of reduced story- heights and simplicity of form - work . There ...
Page 14
... equal , the most economical beam is one in which the re- spective areas of steel and concrete are so adjusted that each will develop , simultaneously with the other , its full unit working stress . Rectangular beams and slabs are ...
... equal , the most economical beam is one in which the re- spective areas of steel and concrete are so adjusted that each will develop , simultaneously with the other , its full unit working stress . Rectangular beams and slabs are ...
Page 16
... equals the unit stress in the material divided by the corresponding unit deformation , the deformation . Ac in the concrete is equal to fc / Ec and the deformation As in the steel equals fs / Es . By similar triangles , as and fe / Ec ...
... equals the unit stress in the material divided by the corresponding unit deformation , the deformation . Ac in the concrete is equal to fc / Ec and the deformation As in the steel equals fs / Es . By similar triangles , as and fe / Ec ...
Page 17
... equal the unit tensile stress in the steel , f . , times the area of the steel , pbd , times its lever arm , jd , or 8 M1 = f . × pbd × jd M ̧ = pf.jbd2 ( 4 ) This is the RESISTING MOMENT at the section of the beam considered , as ...
... equal the unit tensile stress in the steel , f . , times the area of the steel , pbd , times its lever arm , jd , or 8 M1 = f . × pbd × jd M ̧ = pf.jbd2 ( 4 ) This is the RESISTING MOMENT at the section of the beam considered , as ...
Page 22
... equal to WL / 8 in - lb , in which W is the total uniformly - distributed load in pounds and L the span in inches ; and there is a zero bending moment at each support . If this beam is fixed at one end and simply supported at the other ...
... equal to WL / 8 in - lb , in which W is the total uniformly - distributed load in pounds and L the span in inches ; and there is a zero bending moment at each support . If this beam is fixed at one end and simply supported at the other ...
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Common terms and phrases
adjacent American Concrete Institute amount approximately Architect assumed bending moments bond-stress building cement Chapter Code column capital Company Fig compressive strength compressive stress concentrated loads construction Continuous Beam Contract Contractor cost crete cross-section dead load determined Diagram diameter distance drop equal equation estimate exterior columns finish floor forms Formula 17 girders in-lb interior Joint Committee labor Labor-Classification lb per sq length live load materials maximum bending metal method minimum mixture moment of inertia mortar negative bending Owner panel percentage Piles placed Portland Cement pounds per square quantities ratio rectangular Reinforced-Concrete resist ribs roofs round rods sand sectional area shown in Fig sieve sieve analysis slab slab-thickness specifications sq ft square bars square foot steel stirrups strip Subcontractor supports surface Table tensile tensile stress tension thickness tion Turner Construction Typical unit stress usually wall wall-column weight width wire
Popular passages
Page 564 - The cement shall be stored in such a manner as to permit easy access for proper inspection and identification of each shipment, and in a suitable weather-tight building which will protect the cement from dampness.
Page 396 - Principal for labor or materials, then this obligation shall be null and void; otherwise it shall remain in full force and effect.
Page 401 - To name as arbitrator under arbitration proceedings as provided in the General Conditions the person nominated by the Subcontractor, if the sole cause of dispute is the work, materials, rights or responsibilities of the Subcontractor; or. if of the Subcontractor and any other subcontractor jointly, to name as such arbitrator the person upon whom they agree. The Contractor and the Subcontractor agree that...
Page 563 - Portland cement is the product obtained by finely pulverizing clinker produced by calcining to incipient fusion an intimate and properly proportioned mixture of argillaceous and calcareous materials, with no additions subsequent to calcination excepting water and calcined or uncalcined gypsum.
Page 390 - If required in writing by any party in interest, the Owner as Trustee shall, upon the occurrence of loss, give bond for the proper performance of his duties. He shall deposit any money received from insurance in an account separate from all his other funds and he shall distribute it in accordance with such agreement as the parties in interest may reach, or under an award of arbitrators appointed, one by the Owner, another by joint action of the other parties in interest, all other procedure being...
Page 570 - ... 20 per cent on the No. 200 sieve, or on other similarly graded material, shall not show a variation of more than 1.5 per cent above or below the standards maintained at the Bureau of Standards.
Page 583 - The inspector representing the purchaser shall have free entry, at all times while work on the contract of the purchaser is being performed, to all parts of the manufacturer's works which concern the manufacture of the bars ordered.
Page 401 - To make all claims for extras, for extensions of time and for damages for delays or otherwise, to the Contractor in the manner provided in the General Conditions for like claims by the Contractor upon the Owner, except that the time for making claims for extra cost is one week.
Page 390 - The making and acceptance of the final payment shall constitute a waiver of all claims by the Owner, other than those arising from unsettled liens, from faulty work appearing after final payment or from requirement of the specifications, and of all claims by the Contractor, except those previously made and still unsettled.
Page 396 - Now Therefore, the Condition of this Obligation is such that if the Principal shall faithfully perform the Contract on his part, and satisfy all claims and demands, incurred for the same, and shall fully indemnify and save harmless the Owner from all cost and damage which he may suffer by reason of failure so to do, and -shall fully reimburse and repay the Owner all outlay and expense which the Owner may incur in making good any such default...