IS CODE OF PRACTICE FOR. STRUCTURAL USE OF UNREINFORCED MASONRY. (Third Revision). [Page 16, Table 8, Sl No. IS: - - Download as PDF File .pdf), Text File .txt) or read online. COde of practice for the structural use of the unreinforced masonry. Comments. Similar IS Code / Standards. Recent; Popular; Featured. IS - - Pallets .

Is 1905 Code Pdf

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Code &Commentary IS Page ii. • This document has been made available as a “Draft for Comment” and is not ready for use. It is still in development stage. Code of practice for structural use of unreinforced masonry (second revision)' along with design examples (IS has also been included. ELIMINATION OF WASTE SERIES. RECOMMENDED MINIMUM. REQUIREMENTS FOR MASONRY WALL. CONSTRUCTION. REPORT. OF. BUILDING CODE.

Part 2 height. NOTE 1. These matters should receive careful The anchors shall be provided in the consideration during the planning stage of direction of span of timberjoists as well masonry structures.

Hollow and solid lightweight concrete blocks first revision. Mortar for masonry shall comply a In case of a wall.

In case. Use of other masonry units. Burnt clay hollow blocks IS: Masonry structures gain stability from the support offered by cross walls.

In case of small houses of conventional llSpecitication for non-load bearing gypsum partition designs. NOTE 2. Part 1 buildings up to two storeys and 1. Mix in Sl No. A wall or column subjected the column.

This is from consideration of strength of masonry using different mix proportions. For mixes in Sl No. NOTE 4. It is essential that mixes in Sl No.

Y LP NOTE 7. This height of wall is built at right angle to the construction will provide lateral support to wall see Fig. Sand for making mortar should be well graded. In case sand is not well graded.

For mixes in SI No. I and 2. In this case. NoTE 5. NOTE B and C denote eminently hydraulic lime. Alterna- exceed 2. If stiffening wall or b 2. Maximum overhanging length of bearing shear wall. Free-standing walls shall thus be designed as in 5.

A free-standing wall rh? H being the total height of wall considered as shown in Fig.

This tendency to overturning 1 2 3 4 is resisted by gravity force due to self- cm m weight of wall. If mortar used C walls are stiffened according to provisions of 4. Tn case there is surcharge on basement whichever is less? H being the total height ofwall walls from adjoiniq buildings. O-5 H.

When assessing effective height of walls. All these cases are illustrated by means of examples shown in Fig. Lateral restraint. H when height of neither opening exceeds 0.

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His the height of wall between centres openings is by definition a column. For working out effective height. When thickness of a wall bonded to a Effective height for the direction pier is at least two-thirds the thickness of the pier 2 measured in the same direction.

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In case of a column. A roof truss or beam supported on a and only lateral restraint that is. In case of. For example. When floor or roof consisting of RCC bottom but have no restraint at the beams and slabs is supported on columns. Stability for retaining 1. In height of masonry between the openings shall be case of footings or foundation block. For to provide lateral support to the column only in the example.

Lateral restraint as well as rotational 1.

When openings on the soil occur in a wall such that masonry between the NOTE 1 -. Where memberane type damp-proof parallel to the wall equals H. In case of roof truss. Effective height of a wall shall be taken as shown in Table 4 see Fig. Where a wall is free at one end and 1. Effective thickness to shah be made when slenderness ratio is to be be used for calculating slenderness ratio of a wall based on effective length of walls.

Linear interpolation between the values given in this table is permissible but not extrapolation 4. For a wall. SL 13A 13B I.

The angle of dispersion of not exceed Length of bearing 5. Some guidelines for assessment of eccentricity are given in construction. Increased junctions. NOTE -When a building is subjected to other tCriteria for earthquake resistant design of structures loads.

No exact calculations are possible to axial stresses in the masonry associated with make accurate assessment of eccentricity. Per- missible compressive stress in masonry shall be 5.

IS : 1905 - 1987

Account may also be d. In case of a lated on the basis of unit weights taken in load bearing wall. Loads to be taken into based on the value of basic compressive stress fb consideration for designing masonry components as given in Table 8 and multiplying this value by of a structure are: IV and V. Area reduction factor k. Extent arching action in this way. Loading standards revised.

In seismic 4. Eccentricity of vertical loading at a particular junction in a masotiry wall shall 5. All component parts of the structure bearing stresses from the lintel do not exceed the shall be capable of sustaining the most adverse stresses permitted in 5. Dead loads shall be calcu- effective thickness. Appendix A. For a column. During construction. The building as a whole shall. A being the area No7z2.

The table is valid for slenderness ratio up to 6 and loading with zero eccentricity. The permissible stress for random rubble masonry may be taken as 75 percent of the corresponding stress for coaraed walling of similar materials.

This factor is applicable for or below a lateral support may be taken to be 6. The strength of ashlar masonry natural stone masonry of massive type with thin joints is closely related to intrinsic strength of the stone and allowable working stress in excess of those given in the table may be allowed for such masonry at the discretion of the designer.

The values given fat basic compressive stress are applicable only when the masonry is properly cured. This factor. Linear interpolation is permissible for units having crushing strengths between those given in the table.

Values of basic compressive stress given in Table 8. This ratio of 6 and 20 respectively. The factor.

IS : 1905 - 1987

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Methods of test for preformed fillers for expansion joints in concrete paving and structural construction. Specification for one part gun-grade polysulphide- based joints sealants, Part 1: General requirements.

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IS 1905: Code of Practice for Structural use of Unreinforced Masonry

The width of the footings shall be such that maximum stress in the concrete or masonry is within the permissible limits. The minimum thickness of the foundation of the edge should not be less than mm. In case the depth to transfer the load to the ground bearing is less than the per- missible angle of spread, the foundations should be reinforced. The least dimension should be 60 cm circular, square or rectangular.

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The design should allow for the vertical tilt of the pier by 1 percent of its height. YZode of practice for construction of stone: Part 1 Rubber stone machinery and Part 2 Ashlar masonry. TCode of practice for preparation and use of lime pozzolana mixture concrete in buildings and roads. Barua Road, - 5th Byelane.The width of the footings shall be such that maximum stress in the concrete or masonry is within the permissible limits. In case of a reinforced concrete slab of deflection.

A junction of masonry units.

SP Handbook on Reinforcement and Detailing. Code of practice for laying and fixing of sloped roof coverings using plain and corrugated galvanized steel sheets.

National Buildings Organization, New Delhi! Section Sterilisation. Princep 27 60 00 Street. Part 1 walls have been amplified. A wall designed to cross-sectional area in any plane parallel to the carry an imposed vertical load in addition to its bearing surface is less than 75 percent of its own weight.