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Rigid pipe couplings mechanically resist linear and angular movement of pipe at a joint, while flexible pipe couplings permit a controlled amount of linear and angular movement.Flexible couplings allow movement of pipe because the dimensions of the coupling key are narrower than the groove in the pipe, providing room for the coupling key to move within the pipe groove.
[Comment: When a reference is made within this rule to a federal statutory provision, an industry consensus standard, or any other technical publication, the specific date and title of the publication as well as the name and address of the promulgating agency are listed in rule 4101:1-35-01 of the Administrative Code.
The application of the referenced standards shall be limited and as prescribed in section 102.5 of rule 4101:1-1-01 of the Administrative Code.]SECTION 1601GENERAL1601.1 Scope. The load resulting from moving machinery, elevators, craneways, vehicles and other similar forces and kinetic loads, pressure and possible surcharge from fixed or moving loads. A condition beyond which a structure or member becomes unfit for service and is judged to be no longer useful for its intended function (serviceability limit state) or to be unsafe (strength limit state). Those loads produced by the use and occupancy of the building or other structure and do not include construction or environmental loads such as wind load, snow load, rain load, earthquake load, flood load or dead load. Those loads produced (1) during maintenance by workers, equipment and materials; and (2) during the life of the structure by movable objects such as planters and by people. A method of proportioning structural members and their connections using load and resistance factors such that no applicable limit state is reached when the structure is subjected to appropriate load combinations.
This causes the "expansion joint" to close down, thereby compressing the expansion joint system installed in the gap.
Conversely, when the temperature drops, the materials cool causing the joint gap to open.
L = Live load, except roof live load, including any permitted live load reduction. T = Self-straining force arising from contraction or expansion resulting from temperature change, shrinkage, moisture change, creep in component materials, movement due to differential settlement or combinations thereof. The design loads and other information pertinent to the structural design required by Sections 1603.1.1 through 1603.1.9 and section 106 shall be indicated on the construction documents. Basic wind speed (3-second gust), miles per hour (mph) (km/hr) and wind exposure.4. Flood design data, if located in flood hazard areas established in Section 1612.3.6.
L Roof live load including any permitted live load reduction. Exception: Construction documents for buildings constructed in accordance with the conventional light-frame construction provisions of Section 2308 shall indicate the following structural design information:1. Design load-bearing values of soils.1603.1.1 Floor live load.The provisions of this chapter shall govern the structural design of buildings, structures and portions thereof regulated by this code. The term "LRFD" is used in the design of steel and wood structures. Forces and deformations produced in structural members by the applied loads. A factor that accounts for deviations of the actual load from the nominal load, for uncertainties in the analysis that transforms the load into a load effect, and for the probability that more than one extreme load will occur simultaneously. Forces or other actions that result from the weight of building materials, occupants and their possessions, environmental effects, differential movement and restrained dimensional changes.SECTION 1602DEFINITIONS AND NOTATIONS1602.1 Definitions. The following words and terms shall, for the purposes of this chapter, have the meanings shown herein. A method ofproportioning structural members, such that elastically computed stresses produced in the members by nominal loads do not exceed specified allowable stresses (also called "working stress design"). The weight of materials of construction incorporated into the building, including but not limited to walls, floors, roofs, ceilings, stairways, built-in partitions, finishes, cladding and other similarly incorporated architectural and structural items, and the weight of fixed service equipment, such as cranes, plumbing stacks and risers, electrical feeders, heating, ventilating and air-conditioning systems and automatic sprinkler systems. The product of the nominal strength and a resistance factor (or strength reduction factor). A horizontal or sloped system acting to transmit lateral forces to the vertical-resisting elements. Permanent loads are those loads in which variations over time are rare or of small magnitude, such as dead loads.Deflection track details must be designed for the specific conditions of a building to accommodate the required deflection and end reactions of the studs.Deflection tracks cannot be used in axial load-bearing stud conditions or above continuous window spandrels.Admixture A material other than cement, aggregate, or water added to concrete or plaster to modify its properties.Tags: Adult Dating, affair dating, sex dating