construction engineering design calculations and rules of,chapter 3: concrete construction. abstract; 3.1 cement, fine aggregates, and coarse aggregates; 3.2 pozzolans; 3.3 concrete admixtures; 3.4 concrete slump test; 3.5 concrete cylinders; 3.6 splitting tensile strength test; 3.7 mixing, transportation, and placement of concrete (aci 304r) 3.8 concrete mixing; 3.9 concrete placement; 3.10 concrete pumping; 3.11 tremie pipes.depreciation rates - income tax department,depreciation under companies act, 2013. 1 schedule ii 2 (see section 123) useful lives to compute depreciation. part 'a' 1. depreciation is the systematic allocation of the depreciable amount of an asset over its useful life. the depreciable amount of an asset is the cost of an asset or other amount substituted for cost, less its residual value..
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instead of taking a depreciation expense each year for each asset and charging that against its capital value (reducing the book value of the asset), you expense out in that fiscal period the maintenance cost as a maintenance expense. this maintains the capital value of the asset at the original cost at which it was placed on the books.
9.8 depreciation 9.9 depreciation and taxation 9.10 mthods of calculating depreciation 9.10.1 straight-line method 9.10.2 sum of years digit method 9.10.3 declining balance method 9.10.4 sinking fund method 9.10.5 accelerated depreciation 9.11 example of depreciation calculations for equipment at a site
first eliminating loose concrete parts and then repairing with an epoxy resin grout: the italian national research council has highlighted the importance of a quality control that includes the determination of concrete conditions, removal of any deteriorated or loose concrete, cleaning and protection from corrosion of existing steel reinforcement, and finally, substrate preparation for receiving the selected
explanation: for 39mm deflection, the slope of the deflected slab will be 9.3/2/.039 = 119.5 (about 1 in 120); and based on that slope, the midspan deflection will be about 12.46/2/.120 = 51.9mm. if possible, can you share how are you calculating your long term deflections of two way slab panels?
since then, many slabs have been built with no steel at all, except dowels at construction joints. these unreinforced slabs rely on aggregate interlock to transfer load across sawcut joints and cracks. it’s a cheap, fast way to build a floor, but it carries a risk. you bet that aggregate interlock will keep working as the concrete shrinks and the joint widens. sometimes you win that bet, and sometimes you
these buildings consist of a frame assembly of cast-in-place concrete beams and columns. floor and roof framing consists of cast-in-place concrete slabs, concrete beams, one-way joists, two-way waffle joists, or flat slabs. lateral forces are resisted by concrete moment frames that develop their stiffness through monolithic beam-column connections.
assuming straight line depreciation the average annual value of the distribution of costs can be calculated as: aav = [p(n+1) + s(n-1)]/2n annual investment cost = (percentage)(aav)
3. level 2 - all joints and interior angles have tape embedded in joint compound, and one separate coat of compound is applied over all joints, angles, fastener heads, and accessories. t 4. level 3 - similar to level 2 except that 2 coats of joint compound are used and the surface is free of tool marks and ridges. 5.
concrete product manufacturing (20340): prefabricated concrete product manufacturing assets: casting table s: 10 years: 20.00%: 10.00%: 1 jul 2013: work table s: 10 years: 20.00%: 10.00%: 1 jul 2013: iron smelting and steel manufacturing (21100):
the hollow core slabs are also known as void slabs or hollow slabs. the hollow within the slabs can be of many different shapes such as round, oval, pseudo ellipsis, rectangular, etc. some of these shapes are presented in fig. 1. usually these elements are made of prestressed concrete and are designed to be used simply supported.
noise level reduction produces a more productive work environment. j accelerated depreciation depreciation is over 7 years vs. 31- 1/2 years for conventional construction. quicker return on
slabs. project drawing. ce 434 construction planning (3-0)3 economical and juridical basis of construction planning. methods of planning. gannt charts, cyclogrammes, networks, probabilistic and deterministic networks (cpm and pert). arrow and precedence systems. resource and cost analysis. computer applications. control procedures.
includes computers and their peripheral equipment used in administering normal business transactions and the maintenance of business records, their retrieval and analysis. does not include any equipment that is an integral part of other equipment that is included in other asset classes under rev. proc. 87-56 such as computers used primarily for process or production control, and point of sale computer
construction and design of prestressed concrete segmental bridges a wiley-interscience publication skip to main content academia.edu no longer supports internet explorer.
ce 451 computer applications in civil engineering ce 452 design of concrete bridges one-way slab - simply supported, cantilever and continuous. design of staircase: dog legged and open depreciation and methods of working out depreciation, sinking fund, years purchase,
precast concrete elements enable for a shorter construction period and faster return of money. therefore you are able to produce more buildings with the same amount of money. traditional construction with in-situ concrete takes four to five times longer than compared to construction with precast concrete elements.
interface shear transfer at construction joints and in composite members will also be studied. students will learn how to calculate stress levels, cracking moment and moment capacity for pre-stressed concrete beams and slabs. a design project with a focus on constructability and construction
6 hours unit - 7 slab and grid floors: types of floor slabs, design of one way ,two way and flat slabs. distribution of prestressing tendons, analysis and design of grid floors. 5 hours unit - 8 precast elements: introduction, prestressed concrete polesmanufacturing techniques, shapes and cross sectional properties, design loads, design principles.
armed concrete slab which is attached to the upper wings of main beams by 10mm-thick shear joints (fig. 2). sps, ebf and tadas flexible diaphragms possess the v bracing with a lower beam and 2 laths as the diametric bracing frame. in designing and building the samples, yield strength and final
12. rcc framed structure. it is a greener way of construction. load bearing structure. it is not a greener way of construction as more bricks are used and making of bricks emits more gases and also consumes fertile top crust of soil.
the common deficiencies and damages were exposure of steel reinforcement due to chipping off the concrete cover in concrete elements, corrosion of concrete due to chemical action, presence of cracks in block walls, rusting of steel platforms and members, concrete chip off from columns due to scratches from cranes and fork lifters, roof and expansion joint leakage, roof drainage, rusting of anchor bolts,
c e 567 - prestressed concrete design (3 hours) theory and analysis of prestressed concrete members by various methods of prestressing; design of simple and continuous beams and slabs; prestress losses; composite beams. extensive study of materials used in prestressed concrete. precast concrete systems. prerequisite: ce 365.
gusseted & slab base foundation. provisions of is:800 and is:875. 6 reinforced concrete structures : provisions of latest is:456, design of beams singly and doubly reinforced, design of shear reinforcement; design of slabs simply supported, spanning in two directions and t-beam slabs, flat slabs.
various types of floor finishes, interior and exterior finishes. scaffolding and formwork, expansion and construction joints, factors affecting their location. concrete construction: batching, mixing, transportation and compaction of concrete. pre-cast concrete, concrete construction. quality control in concrete construction.