I. Question ( Nội dung demos)

In designing high-rise buildings in Hanoi today, most have the basement to deal with parking problems and other technical systems of the entire house. Common works from 10 to 30 storeys high was designed from the basement to the pressure requirements for use of investors in the context of the control being the height and limited campus land .. . The construction of basements in high buildings has proved effective in terms of good use and in accordance with the policy planning of the city. However, up to now no report summarizing the economic situation - engineering works for the city, even the high-rise buildings associated basement has become very popular.

This article refers to the solution design, constructed for the current format works, and advantages and disadvantages of each solution. Simultaneous comparison of economic indicators - the technical design solutions - wall construction using Cu steel, wall fin Barrette and solutions to other construction thereby draw the sum for the initial set design, construction in the basement high buildings to meet the use and reasonable price in the province, Ha Noi.

II. Overview of the design high-rise buildings have basements in Hanoi

Currently works often have high buildings from one to two basements, where the basement is a key. Table 1. Statistical some works have two basements in the area of the city.

Table 1

* Privacy of the Pacific Place has 05 basement.

Stats:

a.Kind of walls:

- Wall Barrette: 92%

- Concrete wall: 8%

b. Tunnel construction method:

- Anti-steel type: 15%;

- Top - down: 54%;

- Neo in the land: 15%;

- Piling: 8%;

- No anti: 8%.

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