Classes 1, 2 and 3 are typical architectural applications where the concrete surface visual quality is important. Concrete is relatively light in colour and hence concrete parking areas are easy to illuminate. Guidance on the design of insitu concrete hardstandings is available from both the concrete society and britpave. Advantages and disadvantages of concrete civil engineering. This technical note reminds designers of the reasons for including joints in buildings and the performance requirements they should meet. These include consistent, nonfading concrete colour addition, exposed aggregate surfaces, microetch finishes and decorative stains. All works were carried out to the highest level and to the tr66 external in situ concrete paving regulations. The wd4 viaduct is along the s5s10 expressway over a railway line, the wd7 and wd9 viaducts are over the s5s10, the wd10. The castinsitu concrete is a standard concrete which is poured into the specific formwork. Each one of these has an associated area of distribution roads. Concrete is considered as a chemically combined mass where the inert material acts as a filler and the binding materials act as a binder. Tr 66 external insitu concrete paving, concrete society. Tr66 external insitu concrete paving recommends that for external paving the ggbs content should normally be limited toexternal paving the ggbs content should normally be limited to a maximum of 55%, to avoid the need for more rigorous curing procedures. Tr 66 external insitu concrete paving publication year 2007 document status old version of document.
Guide to design of slabsonground performance elements. Concrete provides many benefits in this application. Also, precast concrete paving and kerbs from interpave manufacturers use less cement than sitepoured concrete pavements and kerbs. Cast in situ concrete, grass reinforcement paving system. Tr66 simplifies this input by relating it to a relationship of subgrade cbr and two.
An in situ concrete paving system typically comprises of items such as subgrade improvement layer, granular subbase and separation membrane. The british insitu concrete paving specialists in concrete paving roads rail airfields environment specialist applications and soil stabilisation. Guidance on the design of insitu concrete hardstandings. Thickness design methods for unreinforced and reinforced concrete pavements have been established for many. Find the most uptodate version of cs tr66 at engineering360. Abstract provides design guidance and construction solutions for paving for industrial estates, retail parks and supermarkets. This report published in 1987 still forms the basis of concrete road design in the uk and has been reproduced in other design standards such as highways authority guidance hd 2606 pavement design and concrete society technical report 66 external insitu concrete paving. Precast concrete is a form of construction, where concrete is cast in a reusable mould or form which is then cured in a controlled environment, transported to the construction site and lifted into place. The most important binding materials are cement and lime. A concrete slab is a common structural element of modern buildings, consisting of a flat, horizontal surface made of cast concrete. Spons external works and landscape prices do not allow for pro.
Advantages of precast concrete construction disadvantages of precast concrete construction 1. Readers should evaluate the market conditions in the sector or environment in which they operate and apply a percentage to these rates. Cs uk cs tr66 tr66 external insitu concrete paving active, most current buy now. Colchem for decorative in situ concrete paving the colchem range offers an extensive choice of decorative finishes for in situ concrete pavement.
When concrete pavement is overlaid with 40mm to 180mm thick bituminous surfacing, the overlay shall be sawcut and sealed at the concrete pavement joint in. Concrete is extensively used for the construction of internal floors of factories and warehouses as well as for external pavements such as parking. Concrete placement for bridge decks on an expressway. Trl 87 superseded road note 29 which was published in 1970. It is rigid and hard wearing and provides a surface which drains well at low gradients. Tr66 external insitu concrete paving a description is not available for this item. Joints in concrete construction are construction joints, expansion joints, contraction joints and isolation joints. When paving driveways or unstable sites, it is recommended that you consult a suitably qualified engineer. Exact specifications vary, but most concrete roofs are several inches thick. The concretebookshop is the leading source of publications in the concrete sector, on this site you will also find publications published by riba, ice, mpa concrete centre.
Concrete society uk technical report 65 guidance on the use of macrosynthetic fibre reinforced concrete concrete society uk technical report 66 external insitu concrete paving european standard en 148892. For more than 30 years, the concrete society has been publishing technical reports and advice notes to serve the needs of clients, architects, engineers, specifiers, suppliers, contractors and users of concrete. Technical publication amendments these are free to all members of the society. National structural concrete specification edition 4 construct. Guide for the design and construction of concrete site paving for industrial and trucking facilities aci 360r10. Tr66 external insitu concrete paving the concrete bookshop. Concrete society technical report 66, external insitu concrete paving, is intended for designers, contractors, owners and operators. Slabthicknesscalculatortr 66 tr66 technical report 66. Methods for production of highstrength concrete pdf nanotechnology for sustainable construction pdf agile concept in construction sector. The strategic reinforcement design is a value engineered solution that combines ground supported flatwork designs, with the performance advantages of tapered plate dowels.
In situ concrete roads pavings bases q21 in situ concrete roads pavings bases cold joint sealing 1 in situ concrete and grass paving system 1. Two component, castable polyurethane sealant for road joints flush with the surface. Concrete paving systems bim object definition from nbs. A precast concrete block or flag pavement comprises a relatively thin layer of concrete supported on a subbase, compared with the equivalent insitu concrete pavement requiring a greater thickness of concrete. This specification is an example that accompanies a seminar titled the p2p initiative. Cs uk cs tr66 tr66 external insitu concrete paving. Covers thickness, joints and joint spacing, materials, construction, surface texture and inservice. Example specification for concrete using current building.
External works and landscaping external paving block paving publisher history. It is rigid and hard wearing and provides a surface which drains well at low gradients and which can be textured to provide skid resistance. Tr 66, external insitu concrete paving includes amendment no. Performancebased specs for concrete and is used for demonstration purposes only. Concrete placement for bridge decks on an expressway extension project 55 fig. Insitu concrete can offer simple, flexible and cheap construction for footways with basically satisfactory results attained. The precast concrete is transported to the construction site, lifted and positioned at the predetermined place. Information covering the detailed maintenance should also be. Please refer to part 1 general for an explanation of. High quality, durable, attractive hardstandings can be produced using block paving or insitu concrete. The design optimises materials and labour by placing steel where it provides the most benefit, which is at the joints. The concrete society technical report 66 deals with the design of external. Most towns have industrial estates, retail parks and supermarkets within and around them. Company overhead is allowed for within the labour rates used.
Download concrete hard standing design handbook 2nd. Showing arrangement of external surfacing materials, and key project criteria to suit a clients brief. Concrete was then pumped to give a 200mm thickness to the slab and completed with a brush finish. Prior to the placing of any concrete all quality checks are to be completed and the approval to concrete instruction issued by clientconsultant. Steelreinforced slabs, typically between 100 and 500 mm thick, are most often used to construct floors and ceilings, while thinner mud slabs may be used for exterior paving. For more than 30 years, the concrete society has been publishing technical reports and. The tabulated values and factorial equation in concrete society technical report 66, external insitu concrete paving, are based on the equations given in trl research report 87, thickness design of concrete roads, which is the most widelyused method of designing concrete pavements that are either unreinforced or which include fabric. Plain or reinforced in situ concrete slab crushed rock or cement bound subbase capping if subgrade california bearing ratio cbr is less than 5% there are three principal systems suitable for permeable pavements using concrete block paving as the wearing surface. Reinforced concrete suitable for all bauder waterproo. For further magazine articles please try using our magazine article search please login here to gain access to the technical report amendments.
Helping you find the best solution for your project. Inert materials used in concrete are termed as aggregates. External insitu concrete paving includes amendment no. External insitu concrete paving report of a concrete society working group. We started the job by laying 1200 gauge dpm followed by one layer of a393 steel reinforcement. For concrete industrial ground floors, and external insitu concrete pavements. Guide to laying pavers march 2017 boral paver bedding sand compact road base natural ground a 30mm 3cm coarse washed river sand b generally 10 0 150mm 1 5cm for road base material or 75mm 7. Internal industrial floors and external industrial pavements eupave. Since the first strip of concrete pavement was completed in 1893, concrete has been used extensively for paving highways and airports as well as business and residential streets. Large distribution centres and retail developments have become familiar features of the suburban landscape. Britpave, the british cementitious paving association, is an independent body established to develop and forward concrete and cementitious solutions for infrastructure. Provides design guidance and construction solutions for paving for industrial estates, retail parks and supermarkets. Large distribution centres and retail developments have become familiar features of the suburban landscape most towns have industrial estates retail. Britpave, the british cementitious paving association, is.
Guide to tolerances, materials and workmanship in new. Method statement for concrete works method statement hq. Design of external insitu concrete paving the concrete society. Slabthicknesscalculator tr 66 tr66 technical report 66 external insitu concrete paving 2007 inc 2009 amendments. In situ concrete pavement the pavement comprises the following components. Roller compacted concrete rcc into the design manual for roads and. All are enhanced with high performance protective coatings. These bridges are of concrete or composite structures fig. Rdgn044a guidance notes on design and construction of pavements with paving units 1 1 introduction in the early 1980s, over 90% of footways in hong kong were constructed using insitu concrete.