Academic literature on the topic 'Foundation construction'

This paper analyzes the foundation excavation influence on construction foundations. The whole process of typical foundation excavation is simulated with the large-scale software-ABAQUS. The outer soil settlement is systematically analyzed. The incline value of masonry structure foundations is 0.00091m, which is less than 0.002m in the standard. It meets the requirements. So the deformational influence of the foundation pit on f construction foundations can be ignored.

Currently, the construction of machine tool foundations is a complicated and lengthy procedure with a limited flexibility. In this paper, we present a novel system for constructing machine tool foundations that replaces the need for concrete or concrete-polymer hybrids with a low melting point (LMP) alloy. The system uses a hot bath method to maintain the LMP alloy grouting in liquid form. A fixing device is used to control the embedded depth and positional accuracy of the foundation bolt assembly. The grouting material is injected into the foundation pit by a filling device. This can be extracted from the foundation pit in a later stage with the aid of a recycling device, enabling new machine tool foundations to be manufactured by reusing the LMP alloy grouting material. A prototype was built to test the proposed design. The results show that the system can construct machine tool foundations in a single application, without the delays associated with concrete-based construction, lowering both the economic and environmental cost.

Banjarese houses are developed especially in the wooden foundation’s construction. In case, this construction had many problems as an unstable foundation that caused building slope, building renovation, vertical development, etc. Pole stick hardwood timbers are needed to strengthen to support the building’s load. Based on this condition, it is necessary to conduct research related to find a model that explained how wooden foundations are modified. This paper's method was to collect field observation data by a photograph. Samples of observation were chosen that show the modification and variation progress of pole stick hardwood and woodpile foundation. Applied modification models were founded, that it were combined the wooden foundations with concrete foundations. It is useful to strengthen the building’s load support. This model was suited to the wetland area.

As the population growth and land resources declining, high-rise building project is increasingly common in the construction work. Through in-depth thinking and active exploration, specific attention to matters of deep foundation pit and pile foundation construction technique, which is the key construction techniques in the high-rise building project, was summarized in this article. It suggests to make a careful and detailed geological survey, and then choose the right design program and develop a reliable construction plans. This scheme was proved to be a useful reference and guidance for the development of high-rise building construction technology.

The influence of the order of construction of houses on the formation of the stress-strain state of the system "foundation-foundation-above-ground structures" is investigated
 For this purpose, several options for setting tasks for the phased construction of multi-section building sections are considered.
 With this in mind, it should be noted that the construction of each subsequent section has an impact on the built entirely or partially adjacent section. That is why this effect should be investigated to predict how serious this impact may be, and to draw appropriate constructive decisions.
 Thus, the main objectives of the study are:
 
 Creation of SEM without taking into account the stages of construction of the house;
 Calculation of a house with a phased loading of 5 floors. Taking into account changes in the order of construction of sections;
 Formation of SEM taking into account the sequence of erection of sections without including the sequence of erection of floors within the boundaries of the current section;
 Research of the impact of the calculation of sections of a multi-section building without and taking into account the summary of subsequent sections.
 
 The research of the impact of the sequence of construction and installation of the object will allow us to assess the stress-strain scheme at all stages of construction, so changes in the behavior of the scheme will be recorded at all stages of construction specified by the designers. To do this, the change in the stress-strain state (VAT) of the system "foundation - foundations - above-ground structures" must be modeled with different options for stages of construction, taking into account the real parameters of the soil base and so on.
 The interaction of piles in different zones of sections, the work of grids in the foundations of high-rise buildings are considered. The research was carried out with the help of numerical modeling of the system "foundation - foundations - aboveground constructions". The redistribution of forces in the piles depending on the formulation of problems on the stages of construction of sections and design parameters (location of piles in characteristic zones, the influence of the stiffness of the aboveground part on the redistribution of forces). Characteristic zones in the foundation are distinguished: they are central, lateral, angular and especially at the joints of adjacent sections. The redistribution of efforts between piles and a grid is revealed.