BRE building elements: foundations, basements and external by H.W. Harrison

By H.W. Harrison

Offers construction pros with functional information about these elements of constructions in direct touch with the floor, together with foundations and basements, including exterior works.

Show description

Read Online or Download BRE building elements: foundations, basements and external works PDF

Similar design & construction books

The Civil Engineering Handbook, Second Edition (New Directions in Civil Engineering)

First released in 1995, the award-winning Civil Engineering instruction manual quickly grew to become often called the field's definitive reference. To continue its status as a whole, authoritative source, the editors have included into this variation the numerous alterations in innovations, instruments, and fabrics that over the past seven years have came across their means into civil engineering study and perform.

Reading Drawing Building

Quantity 19 within the Pamphlet structure sequence, studying Drawing? development, is an exquisitely designed quantity that juxtaposes ? tasks; the Library and the Drawing computing device. jointly, those initiatives? discover analyzing and drawing as actions occurri ng inside, on, about,? and during structure. In collapsing the separation among language?

Design of welded steel structures : principles and practice

Layout of Welded metal constructions: ideas and perform presents a pretty good beginning of theoretical and useful wisdom useful for the layout of welded metal buildings. The e-book starts via explaining the fundamentals of arc welding, describing the salient positive factors of contemporary arc welding procedures in addition to the categories and features of welded joints, their universal defects, and steered remedial measures.

Developments in the formulation and reinforcement of concrete

Concrete is the main widely-used development fabric on the planet. this significant publication summarises the wealth of contemporary examine on bettering characteristics comparable to sturdiness and sustainability in addition to the emergence of a brand new iteration of expert concretes for specific purposes. a few chapters talk about new kinds of concrete corresponding to autoclaved aerated concrete, high-strength concrete, sprayed concrete, fibre-reinforced concrete, light-weight concrete, self-compacting concrete, foamed and polymer concrete, including their features and purposes.

Additional info for BRE building elements: foundations, basements and external works

Sample text

Greater loads may cause localised overstressing and plastic flow of the soil, with consequent large settlements; and extremely large movements can be expected if the load exceeds the ultimate bearing capacity of the soil so that shear failure occurs. 6 Allowable bearing pressures for different soil conditions Description kN/m2 Rocks*: Strong igneous and gneissic rocks 10 000 Strong limestones and sandstones 4 000 Schists and slates 3 000 Strong shales, mudstones and strong siltstones 2 000 Non-cohesive soils†: Dense gravel or dense sand and gravel > 600 Medium dense gravel or sand and gravel <200–600 Loose gravel or sand and gravel <200 Compact sand >300 Medium dense sand 100–300 Loose sand <100 Cohesive soils: Very stiff boulder clay and hard clay 300–600 Stiff clay 150–300 Firm clay 75–150 Soft clay and silts < 75 Very soft clay and silts not applicable Notes: * Assuming that foundations are taken down to unweathered rock.

Clays can give very satisfactory foundations, but unequal loadings or irregular soil conditions can make settlement vary in amount from place to place under a building. It is this differential settlement that can cause damage. The engineering properties of residual clay are partly governed by the high bonding stresses which existed in the parent rock so that the soil will usually be fairly stiff and behave as a strongly overconsolidated clay. Occasionally, however, the soil may become soft in joints subject to persistent groundwater seepage or where residual ground occupies low lying waterlogged areas.

Gravel is Fine 2–6 more resistant to erosion than sand. Well graded sand and gravel are generally less pervious and more stable than those with uniform particle size. Irregularity of particles increases stability slightly. 02 behaviour, and strength when air-dried is low. 006 Silt: unstable, particularly when moisture is increased with a tendency to become quick (as in quicksand) when saturated. Relatively impervious, difficult to compact, highly susceptible to frost heave, easily erodible. 002 Soil exhibits plastic behaviour within a certain range of moisture contents and considerable strength when air dried.

Download PDF sample

Rated 4.98 of 5 – based on 50 votes