Modular Swimming Pool Stair Formwork with Interlocking Hollow Blocks
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Solution Overview
Problem
Existing methods for constructing swimming pool stairs using modular formwork require support piles, making the process complex and difficult to implement on-site.
Innovation Solution
A modular block design with interlocking side panels and hollow casting chimneys allows for the construction of swimming pool stairs without support piles, using male and female attachment means, hooks, and notches for assembly, and micro-perforated plastic material for lightweight construction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If modular elements with hooking means are used for constructing swimming pool stairs, then the stairs can be assembled on-site, but support piles are required which increases device complexity and installation difficulty
Solution Approach 1:
The invention merges the support function into the modular block structure itself by creating an interlocking system where blocks connect directly to each other through complementary hollow spaces and protruding elements. This eliminates the need for separate support piles, as the blocks mutually support each other through their integrated connection geometry.
Solution Approach 2:
The invention implements nesting by having one modular block insert into the hollow space of another block, with protruding elements from one block fitting into the hollow space of the adjacent block. This nested arrangement creates self-supporting connections without requiring external support structures.
2Reliability
If traditional formwork methods are used for swimming pool construction, then structural integrity is ensured, but the construction process is tedious and time-consuming
Solution Approach 1:
The invention divides the formwork into standardized modular blocks that can be quickly assembled and disassembled. Each block is a self-contained unit with standardized connection interfaces, enabling rapid on-site assembly while maintaining structural integrity through the interlocking design and concrete integration.
Solution Approach 2:
The modular blocks are manufactured in advance with pre-formed hollow spaces, protruding elements, and connection geometries. This preliminary preparation of standardized components allows for rapid on-site assembly without requiring complex field fabrication or adjustment, significantly improving construction productivity.
3Ease of manufacture
If stairs are constructed using assembled plates and studs, then the steps can be formed, but the process is tedious and preferably carried out in the factory rather than on-site
Solution Approach 1:
The modular blocks are designed with multi-functionality, serving both as structural formwork elements and as step-forming components. The hollow spaces and protruding elements simultaneously provide structural connection and define the step geometry, eliminating the need for separate step-forming operations and enabling on-site implementation.
Solution Approach 2:
The nested arrangement of blocks with protruding elements fitting into hollow spaces automatically creates the step geometry during assembly. The interlocking structure inherently forms the stair configuration without requiring separate step-forming operations, enabling straightforward on-site construction.
Data Source
Figure 1a~1c
Figure 2a~2b
Figure 2c~3a
AI summary
The invention essentially relates to a modular block (1) forming a permanent formwork element for the construction of a portion of a swimming pool, particularly the stairs, comprising: a side board (5) provided with a tab (7) extending along a longitudinal side (2.1) of the main surface (2); and a hollow space (8) located on the opposite side of the side board (5) with respect to the main surface, such that a side board (5) of another modular block can engage with the interior of the hollow space by means of nesting. The block (1) also preferably comprises hooks (15) and male (12) and female (13) attachment means for facilitating the assembly thereof to other adjacent modular blocks (1) of the staircase.