Foundation treatment method for temporary construction subgrade on dredge fill soft foundation site

A weak foundation and foundation treatment technology, applied to roads, roads, buildings, etc., can solve problems such as laborious, limited strength improvement, and long time consumption

Active Publication Date: 2012-05-23
CHINA PETROCHEMICAL CORP +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Although it meets the construction walking problem of personnel and general small machinery entering and exiting the site, it still cannot satisfy the walking problem of large machinery. At the same time, various foundation pretreatments are often limited to improve the strength, and it takes a long time In order to achieve the required strength, sometimes a large amount of padding has to be laid, which is time-consuming, material-intensive and labor-intensive

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  • Foundation treatment method for temporary construction subgrade on dredge fill soft foundation site
  • Foundation treatment method for temporary construction subgrade on dredge fill soft foundation site

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Embodiment Construction

[0016] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

[0017] Depend on figure 1 Visible: the present invention is realized through the following steps:

[0018] 1. Use ordinary standard bamboo boards or rafts;

[0019] 2. According to the planned construction route, continuously lay bamboo slabs or rafts 2 on the dredged fill 1. The bamboo slabs or rafts should be overlapped and connected with steel wires to ensure the effectiveness of the overlap and form a whole raft;

[0020] 3. The length of the standard bamboo slabs or rafts laid continuously shall be determined according to the needs of the walking route, and the width shall be the width of the planned route and extend 0.8-1.2 meters outward to both sides;

[0021] In step 2: For the walking route of large-scale construction machinery, lay bamboo planks or rafts first, and then lay 280-320mm thick ballast or block stones on it, and lay 70-...

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Abstract

The invention relates to a foundation treatment method for temporary construction subgrade at the dredge fill soft foundation site, which is realized by the following steps: adopting common standard bamboo boards or rafts; continuously paving the bamboo boards or rafts on the dredge fill according to the planned construction route; and determining the length of the paved standard bamboo boards orrafts according to the walking route and expanding the planned route toward the two sides by 0.8-1.2m based on the width of the planned route to obtain the width of the bamboo boards or rafts, wherein the bamboo boards or rafts are in lap joint with each other and are connected by binding with steel wires to ensure the effectiveness of lap joint and form a whole raft. The method has the beneficial effect of solving the walking problem of the constructors and various construction machines at the dredge fill soft foundation site.

Description

technical field [0001] The invention relates to a foundation treatment method, in particular to a foundation treatment method for a temporary construction subgrade on dredger filling soil. Background technique [0002] The use of land reclamation for engineering construction in my country's coastal areas is developing rapidly. The land reclamation method is mainly to fill soil formed by hydraulic filling of mud and sand, commonly known as dredging fill. It is a kind of weak soil with poor engineering performance. Its special structure and water saturation make it almost impossible for unarmed pedestrians to go up it. It must be processed manually to be suitable for the foundation conditions of buildings. There are various methods for foundation treatment of large-scale whole sites or concrete pile foundation construction in local areas, but no matter what treatment method is adopted, the construction walking problem of construction personnel and various large construction m...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E01C3/00
Inventor 何国富方强张玲云
Owner CHINA PETROCHEMICAL CORP
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