{"id":223588,"date":"2024-10-19T14:31:20","date_gmt":"2024-10-19T14:31:20","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-8204-22002\/"},"modified":"2024-10-25T08:14:16","modified_gmt":"2024-10-25T08:14:16","slug":"bs-8204-22002","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-8204-22002\/","title":{"rendered":"BS 8204-2:2002"},"content":{"rendered":"

PDF Catalog<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
1<\/td>\nBRITISH STANDARD <\/td>\n<\/tr>\n
2<\/td>\nCommittees responsible for this British\ufffdStandard <\/td>\n<\/tr>\n
3<\/td>\nContents <\/td>\n<\/tr>\n
5<\/td>\n1 Scope
2 Normative references <\/td>\n<\/tr>\n
6<\/td>\n3 Terms and definitions
3.1 base
3.2 flooring
3.3 direct finished base slab
3.4 screed material
3.5 screed
3.6 wearing screed
3.7 levelling screed
3.8 overslab <\/td>\n<\/tr>\n
7<\/td>\n3.9 departure from datum
3.10 surface regularity
3.11 addition
3.12 dry shake finish
3.13combinations <\/td>\n<\/tr>\n
8<\/td>\nFigure 1 Illustration of layers in a ground-supported concrete floor <\/td>\n<\/tr>\n
9<\/td>\nFigure 2 Illustration of layers in a suspended concrete floor <\/td>\n<\/tr>\n
10<\/td>\n4 Exchange of information and time schedule
4.1 General
4.2 Exchange of information
4.3 Time schedule <\/td>\n<\/tr>\n
11<\/td>\n5 Materials
5.1 Cement <\/td>\n<\/tr>\n
12<\/td>\n5.2 Additions
5.3 Aggregates <\/td>\n<\/tr>\n
13<\/td>\nTable 1 Grading limits of sand for wearing surfaces
5.4 Pigments
5.5 Admixtures
Table 2 Admixtures <\/td>\n<\/tr>\n
14<\/td>\n5.6 Dry shake\/sprinkle finish and special aggregates
5.7 Surface treatments
5.8 Ready mixed concrete
5.9 Water
6 Design considerations: performance requirements
6.1 Tolerances on level and surface regularity <\/td>\n<\/tr>\n
15<\/td>\nTable 3 Classification of surface regularity for finished wearing surfaces <\/td>\n<\/tr>\n
16<\/td>\n6.2 Resistance to abrasion <\/td>\n<\/tr>\n
17<\/td>\nTable 4 Classification of abrasion resistance and limiting depths of wear for the abrasion test <\/td>\n<\/tr>\n
18<\/td>\nTable 4 Classification of abrasion resistance and limiting depths of wear for the abrasion test <\/td>\n<\/tr>\n
19<\/td>\n6.3 Slip resistance <\/td>\n<\/tr>\n
20<\/td>\n6.4 Resistance to chemical attack
6.5 Resistance to high temperature and thermal shock
7 Design considerations: general
7.1 Methods of construction
7.2 Sub-base <\/td>\n<\/tr>\n
21<\/td>\n7.3 Damp-proofing concrete wearing screeds and direct finished ground-supported floors
7.4 Location of services
7.5 Liability to cracking and curling of slabs and wearing screeds <\/td>\n<\/tr>\n
22<\/td>\n7.6 Use of admixtures
7.7 Dry shake\/sprinkle finish, special aggregates and fibres
7.8 Surface treatments <\/td>\n<\/tr>\n
23<\/td>\n8 Design considerations: direct finished slabs
8.1 Types of construction
8.2 Concrete strength <\/td>\n<\/tr>\n
24<\/td>\n8.3 Thickness of direct finished slabs
8.4 Bay sizes for direct finished slabs
8.5 Joints in direct finished ground-supported slabs <\/td>\n<\/tr>\n
25<\/td>\n8.6 Direct finishing of in situ concrete suspended floors
9 Design considerations: wearing screeds
9.1 Selection of methods to eliminate or minimize cracking and curling of wearing screeds
9.2 Mix proportions <\/td>\n<\/tr>\n
26<\/td>\n9.3 Thickness
9.4 Bay sizes for wearing screeds <\/td>\n<\/tr>\n
27<\/td>\n9.5 Joints
9.6 Wearing screeds on suspended floors <\/td>\n<\/tr>\n
28<\/td>\n9.7 Reinforcement
10 Work on site: general
10.1 Workmanship
10.2 Protection against weather <\/td>\n<\/tr>\n
29<\/td>\n10.3 Concrete mix
10.4 Use of calcium aluminate cement (high alumina cement)
10.5 Pumping concrete
10.6 Compacting and levelling
10.7 Finishing the surface <\/td>\n<\/tr>\n
30<\/td>\n10.8 Curing
10.9 Surface treatment <\/td>\n<\/tr>\n
31<\/td>\n10.10 Protection of the surface
11 Work on site: wearing screeds
11.1 Preparation of the base <\/td>\n<\/tr>\n
32<\/td>\n11.2 Batching and mixing
11.3 Laying wearing screeds on stairs
12 Inspection and testing of wearing surfaces
12.1 Inspection
12.2 Testing <\/td>\n<\/tr>\n
33<\/td>\n13 Maintenance <\/td>\n<\/tr>\n
34<\/td>\nAnnex A (normative)
Methods for assessing levels and surface regularity
Figure A.1 Stainless steel slip gauges for checking surface regularity <\/td>\n<\/tr>\n
35<\/td>\nAnnex B (normative)
Determination of the abrasion resistance value (ARV)
B.1 Principle
B.2 Apparatus
B.2.1
B.2.2 Marking out template
B.2.3 Depth gauge
B.2.4 Steel shim <\/td>\n<\/tr>\n
36<\/td>\nFigure B.1 Concrete abrasion test machine, wheel arrangement and template <\/td>\n<\/tr>\n
37<\/td>\nB.3 Selection of test area
B.4 Setting up procedure
B.4.1 Depth gauge
B.4.2 Test locations
B.5 Test procedure
B.5.1
B.5.2
B.5.3 <\/td>\n<\/tr>\n
38<\/td>\nB.5.4
B.6 Test report
Annex C (normative)
Curing recommendations for different cement types <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Screeds, bases and in-situ floorings – Concrete wearing surfaces. Code of practice<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2002<\/td>\n40<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":223593,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[1238,2641],"product_tag":[],"class_list":{"0":"post-223588","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-91-060-30","7":"product_cat-bsi","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/223588","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/223593"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=223588"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=223588"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=223588"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}